不定式用法

2024-09-02

不定式用法(通用12篇)

不定式用法 篇1

动词不定式指通常由to加上动词原形 ( 既“to+ 动词原形”) 所构成的一种非限定性动词形式,但在有些情况下to可以省略。动词不定式有进行体和完成体 ( 如上to be writing,to have written),也有被动态 ( 如tobe written),在句中可起到作名词、形容词或副词的作用,动词不定式在语法功能上可作主语、宾语、表语、定语、状语和宾语补足语等,动词不定式在句中除了不能做谓语外,其它句子成分都能充当。动词不定式在初中英语中应用非常广泛,它以各种形式出现在各类题目当中。那么,怎样能更好地掌握动词不定式呢?

一、作主语

如:To learn English well is very important for students.

学好英语对于学生来说很重要。

To save water is to treasure life.

节约用水就等于珍惜生命。

* 注意:在不定式结构作主语时,通常采用it作形式主语,而把不定式结构后置。

如:It is important for students to study English well.

学好英语对学生来说是很重要的。

二、作宾语

如:I want to be a doctor when I grow up.

长大后我想当一名医生。

* 注意:有些及物动词跟复合宾语 ( 宾语 + 宾语补足语 ) 时,如果其中的宾语是不定式短语,则必须找个形式宾语it放在宾语的位置上,而将作宾语的不定式短语放在宾语补足语之前。

如:I find it useful to learn Chinese well for foreigners.

我发觉学好汉语对外国人很有用。

三、作定语,不定式作定语要放在它所修饰的名词或代词的后面。

如:I have lots of work to do.

我有许多工作要做。

Give me a glass of water to drink.

给我一杯水喝

Jiao Yulu has no time to have a rest.

焦裕禄没有时间休息。

四、作状语,动词不定式及其短语具有副词的特性,可在句中作状语。分以下三种情况:

(1) 作目的状语。

如:He bought the building to make more money.

他买下那幢楼房是为了赚更多的钱。

(2) 作结果状语。

如:You are old enough to take care of yourself.

你长大了能照顾自己。

(3) 作原因状语。

如:I’m sorry to hear you quarreled with our English teacher.

听到你和我们英语老师吵架很遗憾。

五、作表语,即把不定式短语放在系动词之后。

如:They are to be married soon.

他们很快就要结婚了。

My job is to teach students English.

我的工作是教同学们英语。

I seem to have seen her somewhere before.

我好像在哪儿见过她。

六、作宾语补足语,动词不定式作宾语补足语时要注意以下三种情况。

(1) 作使役动词let, have, make以及感官动词notice,find,feel,hear,see,watch等的宾语补足语时,动词不定式符号to要省略。

如:The monkey made everyone laugh.

那只猴子让所有人都笑了起来。

I saw some students play basketball on the playground.

昨天我看到一些同学在操场上打篮球。

(2) 作动词help的宾语补足语时,动词不定式符号to可以带,也可以不带。

如:Jim always helps me (to) study my English.

杰姆一直帮助我学英语。

(3) 作动词tell,ask, like,want,beg,order等的宾语补足语时,动词不定式符号to不可以省略。

如:The teacher asked me to call back to him.

老师让我回个电话给他。

综上所述,不管作什么句子成分,从表面上看,在非主语名词、代词 ( 宾格 ),形容词、副词、系动词后跟动词,动词之前要加to,以及两个动词连用,后一动词之前也要加to。这就是动词不定式最基本的用法。

※温馨提醒:

1.动词不定式的否定形式是在不定式前直接加not,即not to do sth.

如:Mother told me not to eat too much junk food.

妈妈告诉我别吃太多垃圾食品。

2. 在“提建议”的 why not 之后跟不带 to 的不定式。即 Why not dosth. 是 Why don’t you do sth. 的省略。

如:Why not go to the park.=Why don’t you go to the park?

为什么不去公园呢?

单项选择(试题由责任编辑整理)

1. He arrived at the office early ______ a good example to the others.

A. set B. to set C. to be set D. having set

2. I’ve too much work ______.

A. to do B. doing C. do D. to doing

3. We looked everywhere for the keys, but they are nowhere _____

A. to find B. to have found C. to be found D. being found

4. Please remember ______ the plants while I’m away.

A. watering B. to be watering C. to water D. being watering

5. ______ wine, first you must press the grapes.

A. Making B. To make C. To be making D. Make

6. In fact, she was the first woman ______to such a post.

A. to elect B. to be electing

C. to have elected D. to have been elected

7. I’d like ___over the Alps and looking down at the mountains.

A. flying B. being flying

C. to be flying D. be flying

8. I’m learning ______ a cake. Can you explain ______ one?

A. to make, to make B. how to make, to make

C. to learn, how to make D. making, making

9. ----“Do you know the girl in red?”

-----“She seems _____ me at last month’s party. But I’m not sure.

A. to introduce to B. to be introduced to

C. being introduced to D. to have been introduced to

10. He made up his mind to devote his life _____ pollution _____happily.

A. to prevent, to live B. to prevent, from living

C. to preventing, to live D. to preventing, from living

【参考答案】

1—5 BACCB 6—10 DCCDC

不定式用法 篇2

动词不定式是动词的一种非谓语形式,又叫非谓语动词,它没有人称和数的变化,在句子中不能做谓语;它由“to+动词原形”构成,这里的to是动词不定式符号,本身没有词义,其否定形式常在to前加not;由于它仍保持动词的特点,可以有自己的宾语和状语,还可以带疑问词和由for引出其逻辑主语等形成动词不定式短语;不定式或不定式短语具有名词、形容词和副词的特征,在句子中可作主语、表语、宾语、宾语补足语、定语和状语等句子成分。为使同学们更好地掌握其用法,现总结如下:

一、动词不定式作主语

动词不定式作主语时,为避免句子的头重脚轻,常用it作为形式主语,而真正的主语动词不定式后置。如要说明动作的执行者,可在不定式前加for引导的短语;但如果表语是nice, kind, clever等描述动作执行者的性格、品质的形容词时,则应在不定式前加of引导的短语。

常用句型: 1,It +be+adj./n.+(for/of sb.)to do sth.(用of还是for决定于前面的adj, adj若是指sb.的特性,就用of,adj若是指sth的特性就用for)

例句:It’s so nice of you to help me with my homework.你真是太好了,帮助我完成作业。

It’s very difficult for me to do the math homework.数学作业对于我来讲太难了。

2,It takes sb.some time to do sth.例句:It takes my mother all day to do the housework.做家务花了我妈妈一整天的时间。

二、动词不定式作宾语

一些动词,如want, decide, hope, ask, offer, agree, choose, learn, plan, need, teach,prepare等,常接动词不定式作宾语(如want/decide to do sth.等)。当动词不定式作宾语时,如果后接宾语补足语,常用it作形式宾语,而把真正的宾语放在宾语补足语之后。注意:有些动词后面可接不定式作宾语,也可接动名词作宾语,所表达的意义也不同。如:

(1)stop to do sth.停止正在做的事,去做另一件事;

stop doing sth..停止正在做的事

(2)go on to do sth.做完一件事后,继续做另一件事;

go on doing sth.继续做同一件事

(3)remember/forget to do sth.记住/忘记去做某事;(未做)

remember/forget doing sth.记得/忘记做过某事(已做)

三、动词不定式作定语

动词不定式作后置定语时,与被修饰的名词逻辑上有动宾关系。如果动词不定式是不及物动词时,则要带上与之搭配的介词,构成及物动词短语。

如: have/has +某事+to do

eg: I have so many homework to do.我有许多作业要做。

enough+名词+to do

eg: It’s difficult enough to do my math homework.数学作业太难了。

“It’s time to do sth.”

eg: It’s time to go home.是时候回家了。

四、动词不定式作宾语补足语

有些动词,如tell, ask, want, invite, teach, like, call等可接带to的动词不定式作宾语补足语,构成tell/ask/want /call/invite sb.to do sth.结构。应注意动词不定式作使役动词和感官动词的宾语补足语时应省去to,在被动语态中应加上to。这些动词可归纳为“一感(feel),二听(listen to, hear),三让(let, make, have,,四看(look at, see, watch, notice),半帮助(help)(即在动词help后面作宾语补足语时,to可有可无)”。另有口诀帮助记忆:“感使动词真奇怪,to在句中像妖怪,主动句中to离开,被动句中to回来。”(let不用于被动语态)

五、动词不定式作状语

动词不定式作状语主要用来修饰动词,表示目的,结果或原因。为了强调目的,有时可以把动词不定式放在句首,或在不定式前加in order或so as。常用结构有too + adj./adv.+ to do sth.等。

例句:I go to bed early in order to get up early in the next day.我那么早睡觉就是为了第二天能早起。

My little brother is too young to go to school.我的弟弟太小而不能上学。

六、固定句式中动词不定式的用法

在固定句式中对不定式的考察常见的有:

had better(not)do sth.最好做(不做)某事。

Would you like to do sth.?你想要做(不做)某事吗?

Why not do sth.?为什么不做某事?

Would you please(not)do sth.?请您可以做(不做)某事么?

七,根据以上六点,中英互译下列句子Homework(全对奖励100积分)1,你很聪明答对这个问题(clever)2, In fact, to learn English well is easy for you.___________________________________________________________

3, 他总是那么早回家看电视(watch)

He always _____________ early _____________TV.4, 让他们独自走进教室。(walk)

Let them ______________ the classroom alone.5, 你最好在九点前完成作业。(finish)

You’d better _______________before 9:00 pm.6, 为什么不购物呢?(shopping)

7, Mary上周末忘记了做家务。(forget)

Mary _______________________________________ last weekend.8, 上个暑假,三位青少年主动提出做一些志愿者工作。(offer)

不定式常见用法例析 篇3

用法一:作主语

It?蒺s standard practice for a company like this one a security officer.

A.employed B.being employed C.to employ D.employs

解析 本题考查固定句型:It+be+n+for sb./sth. to do...,考点为不定式作主语,故答案为C。

对不定式作主语的考查,常常以固定句型的形式出现,主要有以下5种句型:

①It+be+名词+to do...

e.g.:It?蒺s our duty to take good care of the old.

②It+be+形容词+for sb.+to do...

e.g.:It is difficult for us to finish the task in an hour.

③It+be+形容词+of sb.+to do...

e.g.:It is stupid of you to write down everything the teacher says.

④It takes sb.+some time+to do...

e.g.:How long did it take you to finish the work?

⑤It seems+形容词+to do...

e.g.:It seemed impossible to save money.

只要熟记这些句型,不定式作主语的题目就能迎刃而解了。

用法二:作宾语

1.David threatened his neighbor to the police if the damage were not paid.

A.to be reported B.reporting C.to report D.having reported.

2.Susan wanted to be independent of her parents.She tried alone,but she didn?蒺t like it and moved back home.

A.living B.to live C.to be living D.having lived

解析 1.考查不定式作宾语。threatened的后面只能接不定式作宾语,句中表示“大卫威胁邻居如果损害没有得到赔偿,他将报警”。故答案为C。

考点分析:下列动词后面只能接不定式作宾语:决心学会想希望,设法拒绝愿假装,主动答应选计划,同意请求帮一帮。这一顺口溜对应下列单词:decide/determine,learn,want,hope/wish/expect ,manage,refuse,care,pretend,offer,promise,choose,plan,agree,ask/beg,help。我们记住了这个顺口溜,做题的时候就能事半功倍了。

2.考查不定式和动名词作宾语时的区别。此时要注意区分:try doing 意为“尝试做……”, 而try to do 意为”努力去做…… ”。根据句意“苏珊不想再依靠父母,她尝试独自居住但并不喜欢 ,最后又搬回了家”确定答案为 A。类似的词还有can?蒺t help,go on,mean,forget,remember,regret,stop 及try,要注意他们后面跟动名词和不定式时意义上的区别。

牛刀小试:

1.The boy pretended when his motherentered.

A .reading B.to read C.to be reading D.being read

2.Nervous and anxious ,Jill failed a good impression at the job interview.

A.to have made B.making C.to make D.having made

3.We find it impossible for the work ahead of time.

A.to finish B.finishing C.being finished D.to be finished

4.—What about your adventure in the forest last week?

—Wonderful!I didn?蒺t expect there so many lovely monkeys!

A.to be B.being C.of being D.be

答案 1.C 2.A 3.D 4.A

用法三:作表语

Ladies and gentlemen,please remain until the plane has come to a complete stop.

A.seated B.seating C.to seat D.seat

解析 不定式作表语常考查系动词remain后面的情况。remain作“尚待,留待”讲时,后加“to be done”作表语;remain作“仍然”时,后面加现在分词或过去分词作表语。因此答案为B。

用法四:作定语

1.There are still many problems before we are ready for a long stay on the Moon.

A.solving B.solved C.being solved D.to be solved

2.The airport next year will help promote tourism in this area.

A.being completed B.to be completed C.completed D.having been completed

不定式作后置定语时,修饰前面的名词或代词,表示不定式动作尚未发生或将要进行。

解析 1.在there be 结构中,当说话人强调的是必须有人去完成某件事情时,不定式用主动形式;如果说话人强调的是事情本身必须被完成,不定式则用被动形式。本题题意为“在我们准备在月球上长期生活之前,还有很多问题有待于解决。”分析句子结构得知,空处在句中作定语。又根据语境可知此处表示没有发生的事情,应用不定式,又因为solve和problems之间为动宾关系,因此用不定式的被动式,故选择D。

2.分析句子结构得知,空处在句中作定语。又根据语境可知此处表示没有发生的事情,应用不定式,又因为complete和airport之间为动宾关系,因此用不定式的被动式,故选择B。

牛刀小试:

1.The pressure causes Americans to be energetic,but it also puts them under a constant emotional strain.

A.to compete B.to be competed C.competing D.having competed

2.Could you find someone ?

A.for me to play tennis with B.for me to play tennis

C.play tennis with D.playing tennis

3.With a lot of difficult problems ,the newly-elected president is having a hard time.

A.settled B.settling C.to settle D.being settled

答案 1.A 2.A 3.C

用法五:作状语

1.Group activities will be organized after class children develop team spirit.

A.helping B.having helped C.helped D.to help

2. ourselves from the physical and mental tensions,we each need deep thought and inner quietness.

A.Having freed B.Freed C.To free D.Freeing

解析 1.分析句子可知道这里需要目的状语,句意为“为了帮助孩子们培养团队精神,下课后将组织小组活动”。目的状语通常用不定式表示。故选择D。

2.根据题干和句意可知本题考查不定式作目的状语,相对于上一题,本题结构更清晰。句意为“为了让我们从身体和精神的紧张中放松下来,我们都需要深刻的思考和内心的平静。”故选择C。综合这两题,我们得出结论:目的状语通常用动词不定式表示。

牛刀小试:

1.George returned after the war,only that his wife had left him.

A.to be told B.telling C.being told D.told

2.The air is very hard to in Tibet because of the high altitude.

A.breath in B.be breathed in C.breath D.be breathed

答案 1.A 2.C

用法六:作补语

Ⅰ.作宾语补足语

1.I advised him smoking ,but he wouldn?蒺t listen.

A.give up B.to give up C.giving up D.to be given up

2.Whom would you like with you,John or me?

A.go B.have gone C.have go D.to go

解析 这两题考查一些动词后面用动词不定式作宾语补足语的情况。常见的结构为:advise/allow/ask/expect/encourage/get/invite/like/persuade/remind/require/suppose/tell/want/warn/wish/would like/call on/depend on+sb.+(not) to do sth.。故第1题选择B,第2题选择D。

Ⅱ.作主语补足语

1.Passengers are permitted only one piece of hand luggage onto the plane.

A.to carry B.carrying C.to be carried D.being carried

2.He is thought foolishly.Now he has no one but himself to blame for losing the job.

A.to act B.to have acted C.acting D.having acted

解析 主语补足语的出现是因为原来含有宾语补足语的句子变成了被动句,因此,原来的宾语就变成了新句子的主语,那么原来的宾语补足语就变成了新句子的主语补足语了。因此,我们做题的时候只要将结构还原成原来的主动句就可以了。

1.分析题目知道句意是“旅客仅被允许携带一件手提行李上飞机”,permit sb. to do sth.结构变成被动为sb.be permitted to do sth.,因此选项为A。

2.本题考查sb./sth. be said/believed/known/supposed/reported/considered/found/thought...+to do sth./to be done/to have done/to have been done,本结构中,用to do表示尚未发生的动作,用to have done表示已经发生的动作。根据句意“他被认为表现得很愚蠢”,表示已经发生了的动作,故选择B。

牛刀小试:

1.They knew her very well.They had seen her up from childhood.

A.grow B.grew C.was growing D.to grow

2.The teacher asked us so much noise.

A.don?蒺t make B.not make C.not making D.not to make

3.My advisor encouraged a summer course to improve my writing skills.

A.for me taking B.me taking C.for me to take D.me to take

4.The flu is believed by viruses that like to reproduce in the cells inside the human nose and throat.

A.causing B.being caused C.to be caused D.to have caused

5.—Is Bob still performing?

—I?蒺m afraid not.He is said the stage already as he has become an official.

A.to have left B.to leave C.to have been left D.to be left

不定式的用法浅析 篇4

不定式的形式由“to十动词原形”构成, 其否定形式是“not to do”.不定式可以带宾语或状语构成不定式短语, 没有人称和数的变化, 但有时态和语态的变化。不定式具有名词的特征, 可作主语、宾语;具有形容词的特征, 在句中可做表语、定语、补足语;具有浮词的特征, 可做状语。但不定式不能单独作谓语。不定式的逻辑主语有时用“for十名词或代词宾格”构成。

不定式的功能:

一、作主语。

不定式短语作主语时, 如不定式短语较长, 往往用it作形式主语, 而把不定式短语放在谓语之后。例如:

To see is to believe.

It is not his habit to ask people for money.

二、作宾语。

不定式一般作动词的宾语, 做介词的宾语仅限于but/except/besides等有限的几个介词。不定式短语作宾语时, 假如还带有宾语补足语, 往往把不定式宾语放在宾语补足语之后, 而用it作形式宾语.例如:

He wanted to paint his house.

I think it impossible to climb this mountain.

They had no choice but to stop half way.

注意:不定式动词在介词but, except, besides后面时, 假如这些介词之前有行为动词do的各种形式, 那么, 这些介词后的不定式不带to, 否则要带to.如:

The girl could do nothing but cry.

What do you like to do besides play football?

三、作补足语。

例如:

My teacher encouraged me to take a summer course to improve my writing skills.

注意:在感官动词look at, notice, observe, see, watch, feel, hear, listen to等和使役动词have, let, make等词后的补足语中, 不定式不带to.但是这些句子假如变成被动结构时, 就必须带to.例如

I often see him help his neighbour do some housework.

He is often seen to help neighbour to do some housework.

四、作表语。

例如:

My dream is to become a journalist.

五、作定语。

例如:

There are many books to read.

注意:1.如果不及物动词的不定式形式作定语, 或者不定式所修饰的名词或代词是不定式动作的地点、工具等, 不定式后面须有相应的介词。例如:

He is looking for a house to live in.

I want to buy a pen to write with.

2. 作定语的不定式的主动形式和被动形式其含义有所不同。试比较:

A) Do you anything to type?

你有什么东西要打吗?

(不定式to type的动作执行者是you)

B) Do you anything to be typed?

你有什么要 (我或别人) 打的东西吗? (不定式to be typed的动作执行者是已被省略的me或someone else)

六、作状语, 主要是表示目的、原因、结果或条件。

例如:

I feel greatly honoured to be invited to the party. (原因)

To sleep late in the morning, Bob turned off the alarm. (目的)

He hurried to the station, only to find the train had left. (结果)

To look at her, you would like her. (条件)

目的状语还可以用in order to或so as to来表示.如:

In order to make our city green, we must plant more trees.

“有些形容词后也可以跟不定式作状语。常用的形容词多与表情感心理状态有关如, sorry, glad, delighted, determined, surprised等等。例如:

You were silly not to go to see the film.

“too形容词或副词十不定式”结构, 作状语.例如:

The book is too difficult to read.

另外句子中有enough这个词时, 常用不定式作状语。例如:

The hall is big enough to hold 200 people.

注意:不定式作表语形容词的状语, 在句中和主语构成逻辑上的动宾关系时, 不定式多用主动形式, 人们往往认为形容词后省略了for sb.如:

His poets are difficult to understand.

The dishes are delicious to eat.

考点提示:

1.“疑问词+不定式

不定式与疑问词who, which, when, where, how, what等连用, 在句中相当于名词作用, 可充当主语、表语、宾语等.例如:

I‘ve worked with children before, so I know what to expect in my new job.

2. 不定式在句中是应该用主动式还是被动式。

多数情况下是较容易易判别的, 但有时的确比较复杂, 请留意以下几点:

A) 不定式修饰的名词或代词和不定式逻辑上构成主谓关系时, 不定式往往用主动形式.

Have you got a key to unlock the door?

(A key unlocks the door.)

B) 不定式和它前面被修饰的名词或代词构成逻辑上的动宾关系, 又和该句主语构成逻辑上的主谓关系时, 不定式常用主动形式.

I have got a letter to write. (I write letter.)

He needs a room to live in. (He lives in a room.)

I know what to do. (I do what.) 但这句如改为下列形式, 不定式就得用被动形式:I know what is to be done.

这是因为what is to be done是宾语从句, 从句中的主语what是动词do的动作对象

C) 不定式作表语形容词的状语, 和句中主语构成逻辑上的动宾关系时, 不定式多用主动形式, 这是因为人们往往认为形容词后者去了for one或for people.例如:

He is hard to talk to. (to talk to him.)

The book is difficult to understand. (to understand the book.)

但假如强调句中的受事者时, 亦可用不定式被动式, 例如:

The handwriting is very difficult to be read.

The box is too heavy to be lifted.

请留意下面两个句子的含义是不同的:

There is nothing to do.意为无事可做, 感到十分乏味.

There is nothing to be done.意为某东西坏了, 无法使之恢复正常.

3. 不定式的时态

A) 不定式的一般形式所表示的动作, 通常与谓语的动作 (状态) 同时 (或几乎同时) 发生, 或是在它之后发生.例如:

I saw him go out.

B) 假如谓语表示的动作 (情况) 发生时, 不定式表示的动作正在进行, 这时不定式就要用进行式.例如:

I am very glad to be working with you.

C) 假如不定式的动作发生在谓语动词之前, 就要用完成式.例如:

I’m sorry to have kept you waiting.

4. 不定式的语态

当不定式逻辑上的主语是这个不定式所表示的动作的承受者时, 不定式一般要用被动形式。例如:

She asked to be sent to study abroad.

俄语动词不定式体的用法 篇5

动词不定式在句中常用作谓语的一个组成部分,但也可用作主语、补语、定语、状语等成分。例如:

Учиться-всегда пригодится.(动词不定式在句中作主语)

Мы хотели отдохнуть.(动词不定式在句中是动词合成谓语的一部分)Она согласилась остаться.(动词不定式在句中做补语)Я не имею случая его видеть.(动词不定式在句中作定语)Они пришли помочь тебе.(动词不定式在句中作状语)

动词不定式在句子中虽没有时间、式、人称、数等语法意义,但仍含有体的基本意义。试对比:

Сегодня мне надо переводить текст.-Сегодня мне надо перевести текст.Они могут встречаться каждый день.-Сегодня они могут встретиться в десять часов.动词不定式在与某些词连用时,或在一定语境中体的选用受下列规则的制约: 1.动词不定式与下列动词连用时,要用未完成体: 1)表示行为开始、继续、结束的动词,如:

Начинать-начать, стать, продолжать, кончать-кончить, переставать-перестать 等。例如: Мы отдохнули и стали заниматься.Он кончил рассказывать и ждал, что мы скажем.2)表示养成、具有或失去某种习惯、技能的动词,如: Учить(ся), научить(ся), уметь, привыкать-привыкнуть, отвыкать-отвыкнуть, бросать-бросить等。例如:

Мы привыкли обедать в 12 часов.Отец давно бросил курить.2.动词不定式与успеть, удаться, забыть等完成体动词连用时,一般要有完成体。例如: За час я успел перевести только половину текста.Она забыла спросить его об этом.与успевать, удаваться, забывать等未完成体动词连用时,动词不定式用未完成体或完成体均可。例如:

Мы всегда успеваем выполнять(выполнить)домашние задания.3.动词不定式与谓语词连用时,可以用未完成体和完成体,但在下列情况下要用未完成体: 1)当надо, нужно, можно, пора等谓语词在一定语境中表示应该(可以)马上进行某种行为时,要与未完成体动词不定式连用。例如: Уже восемь часов.Надо начинать заниматься.Уже поздно.Пора ложиться спать.2)当надо, нужно, можно, пора等谓语词用于否定句时,与其连用的动词不定式必须要用未完成体,表示“不必要、不应该”。试对比: Завтра мне нужно встать в пять часов.-Завтра мне не нужно так рано вставать.Фильм интересный.Стоит посмотреть.-Фильм неинтересный.Его не стоит смотреть.3)谓语词нельзя 有两个意义:

① 表示“不要、不该”时,与не надо, не нужно, не следует同义,这时与未完成体动词不定式连用。例如:

Нельзя входить в аудиторию во время экзаменов.考试时不要进教室。

② 表示“不可能”时,与невозможно同义,这时大多与完成体动词不定式连用。例如:

Нельзя войти в комнату: у меня нет ключа.进不去房间,因为我没有钥匙。

动词将来时体的用法

1.未完成体动词将来时可用来表示说话时刻以后主体将进行何行为,含有“打算”的意义。例如:

Вы будете завтра отдыхать?-Да, буду.(Нет, буду работать.)

未完成体动词将来时与не 连用时,可以表示拒绝进行某种行为。例如: Давай вернѐмся домой.Уже поздно.-Не будем возвращаться.У нас ещѐ есть время.2.完成体动词将来时可表示说话者对实现某种行为的信心或可能性的估计。例如: Это слово ты найдѐшь в словаре.Мы врага победим!--------твѐрдо сказал начальник.完成体动词将来时常与не 连用。可以表示不可能或无法实现某种行为。例如: Вы договорились о встрече?

不定式用法 篇6

摘要:初中英语语法中,动词不定式(infinitive)是一个重要的语法知识点,也是中考的必考考点之一。动词不定式没有人称和数的变化,在句中不能独立作谓语;但动词不定式具有名词、形容词和副词特征,在句中可以作主语、宾语、宾语补足语、定语、表语和状语等多种成分。

关键词:动词不定式 特征 用法 疑问不定式

在英语中,动词有限定性动词和非限定性动词两种,非限定性动词(verbal)有动词不定式、动名词和分词三种。限定性动词在句子中可以单独作谓语动词,非限定动词在句子中不能单独作谓语动词。动词不定式(infinitive)是一种非限定动词,由动词不定式符号to加动词原形构成。下面我们来谈谈动词不定式的特征以

及动词不定式的用法。

一、动词不定式的特征

1.如果动词不定式是及物的,须带宾语。如:He wanst to stduy French.动词不定式tostduy后面有宾语French)

2.动词不定式可以被状语修饰.如:He wanst to stduy French well.

3.动词不定式没有人称和数的变化,即不受主语的人称和单、复数的限定或影响.如:Marci seems to know everything

4.其否定形式是在不定式符号to前面加not. I decided not to work in this factory any longer.

5.不定式的逻辑主语常用or或of结构引出。如:For a child to have his own free time is very necessary.

二、动词不定式的用法

动词不等式具有名词、形容词和副词的特征,因此它在句子中可以主语、宾语、表语、定语和状语。

(一)不定式作主语

1.To learn out of the window is dangerous(把身子伸出窗外是危险的)

2.To die for the people is a glorious death!(为人民而死,虽死犹荣)

动词不定式作主语时,常用it作形式主语,而将动词不定式结构放在系表结构(be+adj.)的后面,主要是为了保持句子的平衡。“Itis+形容词+动词不定式短语.”是英语中的一个常用句型,要注意使用。例如上面的例子可以用it作形式主语It is dangerous to learn out of the window(把身子伸出窗外是危险的)

Its so nice to hear your voice.(听到你的声音真兴奋。)

Its necessary for you to lock the car when you do not use it.

(不用车的时候,锁车是有必要的。)

Its very kind of you to help us.他帮助我们,他真好。

It seemed selfish of him not to give them anything.(他不给他们任何东西,这显得太自私了。)

(二)不定式作表语

不定式放在be动词后面作表语。例如:

My work is to clean the room every day.(我的工作是天天清扫房间。)His dream is to be a doctor.他的梦想是成为一名医生。

(三)动词不定式作宾语

动词不定式具有名词特征,常见动词有:begin(开始),decide(决定),hate(憎恨),like(喜欢),love(喜爱),refer(宁愿),start(开始),want(想要),wish(希望)等。例如:He began to learn English at the age of thirteen.(他十三岁时开始学习英语的。)She decided to leave here at once(她决定立即离开这里。)

另外注意省略“to”的动词不定式情况

1.作感官动词see,watch,hear,feel,notice等的宾语补足语时。如:

We felt the house shake.我们感到房屋摇晃。

2.作使役动词make,let,have等的宾语补足语时。如:

She lets us meet her at the station.她让我们去车站接她。

3.help后的宾语补足语前可带to也可不带to.如:

She helped her mother(to)prepare for Christmas.She helped her mother(to)prepare for Christmas.她帮助她母亲为圣诞节做准备。

(四)不定式作定语

不定式做定语通常要放在被修饰的词后,往往表示未发生的动作。例如:

I have a lot of work to do.我有许多事要做。

There was nothing to bring home that morning.那天早上(他回家时)两手空空。

(五)不定式作状语

1.作目的状语

常用结构为todo,only to do(仅仅为了),in order to do,so as to do,so(such)…as to…(如此…以便…)。例如:

He ran so fast as to catch the first bus.他飞快地跑以便赶上第一班车。

I come here only to say good-bye to you.我来仅仅是向你离别。

2.作结果状语,可以表示没有预料到的或事与愿违的结果,不定式要放在句子后面。

I awoke to find my truck gone.我醒来发现箱子不见了。)

3.表原因Im glad to see you.见到你很兴奋

三、“疑问词+动词不定式”结构

疑问词what,which,how,where,when等可以和动词不定式连用,构成不定式短语。“疑问词+动词不定式”可以作主语、宾语、表语等。如:

When to start off hasnt been decided yet.什么时候出发还没决定。(作主语)The question is which bus to take.问题是乘哪辆公共汽车。(作表语)“疑问词+动词不定式”可以由名词从句简化而来。如:I dont know what I should say.→I dont know what to say.

参考文献:

英语动词不定式用法详解 篇7

一、句法功能

动词不定式具有名词、形容词和副词之特性, 同时也保留动词特征, 同自己的宾语和状语一起构成不定式短语, 在句中作主语、宾语、定语、状语、补语、表语。

1.作主语

To love and to be loved are both happiness.

(1) 不定式作主语时, 为了避免头重脚轻, 常用it作形式主语, 不定式作真正主语, 常见句型有:

It is very nice to get up early and do morning exercise.

It is a great honor to make a speech at the meeting.

It took me five hours to finish my homework yesterday.

It is against my will to tell her the secret.

(2) 不定式的逻辑主语用of或for引出。用for时, 它前面的形容词说明不定式的性质, 而不是说明逻辑主语, 常见的形容词有:important, necessary, difficult等;用of时, 常用表示人的品质的形容词, 常见形容词有:nice, good, cruel, typical, silly, foolish, stupid, bright, clever, wise, right, wrong, mistaken等, 也可以用“逻辑主语+系动词+该形容词”模式改写:

It is very important for us to fasten safety belts.

It was silly of her to believe what he said = She was silly to believe what he said.

2.作宾语

(1) agree, beg, choose, decide, afford, fail, expect, hope, long, offer, manage, plan, prepare, pretend, strive, refuse, intend, promise, seem, wish, want等后常跟不定式作宾语。不定式一般不作介词宾语, 但可以作but, except的宾语:

My parents agreed to send me abroad for holidays if I passed the exam.

He had no choice but to have a rest at home.

(2) like, love, hate, continue等动词后跟不定式和动名词作宾语意义接近, 区别在于不定式表示具体的动作, 动名词表示抽象概念:

I like reading, but I don’t like to read in the classroom today.

(3) 不定式作宾语时, 用it作形式宾语, 常跟一个形容词或者名词作宾补:

We consider it necessary to learn English well in case you go abroad.

We have made it a rule not to watch TV during dinner time.

3.作定语

( 1 ) 作定语时, 与被修饰词之间有逻辑上的“主谓关系”、“动宾关系”等:

He is always the first to come and the last to go. (主谓关系)

I have a very important meeting to attend this afternoon. (动宾关系)

I will go to Shanghai. Do you have anything to be taken there? (主谓关系)

注:此句中you不是不定式逻辑主语, 故anything就成逻辑主语, anything与take之前构成被动关系, 故用被动形式, 但也可用主动形式:

I will do some washing. Do you have any clothes to wash (to be washed) ?

There is a lot of homework to do (to be done) today.

(2) 如果作定语的动词不能与被修饰词之间构成动宾关系时, 要加相应的介词, 构成介宾关系:

I have bought a pen to write with and some paper to write on.

( 3 ) 某些抽象名词ability, way, need, possibility , determination等后也跟不定式作定语:

The girl has the ability to operate this modern machine.

He has showed the determination to finish the work ahead of time.

4.作状语

不定式作状语时, 通常表示原因、目的和结果, 逻辑主语通是句子的主语, 有主动和被动之分:

I was very pleased to hear the satisfactory news. (原因)

In order to go to college, I have to learn English well. (目的)

The question is very difficult to answer. =To answer the question is very difficult.

注意:不定式在这种情况下作状语, 一般是及物动词, 与主语之间是逻辑上的动宾关系, 翻译为“…起来”, 不用被动式:

The woman is very difficult to deal with.= To deal with the woman is very difficult.

He woke up at midnight, only to find the door was open. (结果)

He hurried to the school, only to be told that in was Sunday. (结果)

注意:分词也可作结果状语, 但不定式的主动和被动形式都表示出乎预料的结果, 而现在分词和过去分词均表示必然结果:

He was late again and again, thus making the boss angry.

He smoked again at work, thus caught by the boss.

5.作补语

(1) 作宾补或主补时, 不定式的逻辑主语就是句子的宾语或者主语, 有主动和被动之分。常用动词有:advise, allow, ask, beg, cause, consider, desire, encourage, expect, force, get, invite, oblige, order, permit, persuade, prefer, request, teach, tell, want, warn等:

Our school doesn’t permit anyone to smoke in the school campus. (宾补)

We were forced to leave the classroom when school was over. (主补)

(2) 动词notice, let, make, hear, listen to, see, look at, watch, observe, have, feel跟省略to的不定式作宾补, 但这些动词变为被动语态时, 作主补的不定式要加上to:

I noticed a young lady enter the room hurriedly.

A young lady was noticed to enter the room hurriedly.

6.作表语

不定式作表语既可表示将来发生的动作, 也可表示应该做某事:

My job is to teach children English after graduation.

Who is to blame for the broken window?

二、动词不定式的时态和语态

不定式不仅有时态的变化, 而且有语态的变化。当不定式的逻辑主语是不定式动作的承受者时, 就用被动语态。

1.一般式表示动作或状态与谓语动词动作或状态同时发生或之后发生:

He likes to swim in the small river this afternoon.

Nobody likes to be criticized in public.

2.完成式表示动作或状态在谓语动词动作或状态之前发生:

He was lucky to have met a kind and helpful man.

The book is said to have been translated into English.

3.进行式表示动作在谓语动词动作或状态发生时正在发生:

He pretended to be sleeping when his mother told him to do washing.

4.完成进行式表示在谓语动词动作或状态发生之前开始的动作, 到谓语动词动作发生时可能停止, 也可能会持续下去:

He seems to have been standing there for five hours.

三、动词不定式的否定及其它

1.不定式的否定式是在不定式符号to前面加not:

The teacher ordered us not to make any noise in the classroom.

2.疑问词+不定式

“疑问词+不定式”相当于一个名词, 在句中作主语、宾语和表语, 其中的不定式常用一般式:

When to start for the journey has not been decided.

If you don’t know when to start for the journey, you’d better call him.

The problem is when to start for the journey.

3.不定式to的省略情况

(1) 在had better, would rather…than…, would…rather than…, do nothing but except other than, might as well, cannot help but cannot choose but cannot but以及情态动词、助动词之后:

I would rather stay at home than go to the cinema in such terrible weather.

There is nothing I can do other than but except ask for a leave.

(2) 动词help后可直接跟省略to的不定式, 即help do sth.;help后的不定式作宾补时, 如果句子主语直接参与不定式动作时省略to, 句子主语不直接参与不定式动作时, 一般不省略to:

Please help do housework, as I am too busy.

Would you please help me carry the box upstairs?

The book will help me to improve my writing skills.

(3) 在why或why not开头、表示建议的疑问句中:

Why argue with your mother?

Why not go outside and breathe some fresh air?

(4) 并列的两个以上的不定式, 从第二个开始省略to, 但对比关系中不能省略:

She will come to help us and give us a lecture.

We haven’t decided whether to go to America or to stay in China during the vacation.

(5) 不定式作表语时, 系动词前边有动词do的任何形式;句子主语是all或what引导的从句;主语被only, first, one, least及形容词最高级所修饰时:

The first thing I want to do now is (to) thank all the people who have helped me in my life.

All I can do is (to) offer him some money to buy food and clothes.

What she really hopes is (to) marry an honest man.

The only thing he can do is (to) do well in the exam.

参考文献

[1]薄冰英语语法.开明出版社.

浅谈动词不定式的用法 篇8

关键词:不定式定义,不定式结构,不定式用法

动词不定式是英语动词的一种非谓语形式, 没有数和人称的变化, 不定式不受主语人称和谓语动词的时态变化的影响。不定式不能单独地在句中用做谓语, 它仍然保留某些动词的特点, 可以带有自己的宾语或状语, 不定式连同它的宾语或状语一起构成了动词不定式短语。

1 动词不定式的结构

动词不定式是由“to+动词原形”而构成的, 动词原形之后可以跟自己的宾语或状语, 构成不定式短语, 不定式短语的用法与不定式的用法相同。动词不定式的各种结构列表如下:

2 动词不定式的用法

动词不定式在句中可以充当句子的主语、宾语、表语、定语、状语和补语。

2.1做主语

To master the question is no easy.

(不定式做主语, 谓语为单数形式) To be invited to Tom's birthday party

To be invited to Tom's birthday party is a great honor.

不定式做主语时, 习惯用it作形式主语, 把真正的动词不定式主语放在谓语动词后。

It is a great pleasure for him to live with you.

It's an honor to be invited to Joe's birthday party.

当句子中的表语是形容词, , , , 时, 不定式前常用of引出的不定式短语。

It is kind of Mary to think so much of me.

2.2作宾语

下列动词后习惯加动词不定式作宾语

begin, need, plan, start, want, afford, ask, attempt, decide, learn, choose, except, hope, hate, offer, prefer, pretend, promise, refuse, would like等。

I don’t expect to find you there now.

Peter wants to become an engineer in the future.

2.3作表语

1) 不定式做表语相当于名词, 系动词除了用be还可以用seem, look等。

She seems to be very upset.

To see is to believe.

2) 不定式表示具体的动作或将来的含义。

Our task is to study one thousand words at the end of this term.

2.4作定语

动词不定式 (短语) 作定语位于所修饰的名词或代词之后, 不定式与它所修饰名词之间有逻辑动宾或动补关系;被修饰词与不定式有逻辑主谓关系。

I have so much work to do。

(do so much work, 不定式与名词之间有逻辑上的动宾关系)

He needs somewhere to sleep。

(sleep in some place不定式与名词之间有逻辑上的动状关系)

He is the first boy to come.

(the first boy come名词与不定式之间有逻辑上的主谓关系)

2.5作状语

动词不定式作状语常用来表示目的、结果、原因。

2.5.1作目的状语

常用短语in order to do (可放在句首或句子中间) , so as todo (不能放在句首) , 例如:

He ran to the station to buy the train ticket.

In order not to be heard they talked in very low voice.

2.5.2作结果状语

常用于so...as to (如此……以致……) , too...to (太……以致于不能……) , enough to (足以……) 结构中, 例如:

He walked too fast for us to follow.

She is old enough to go to college this year.

He said so roughly as to hurt her feeling.

only to... (表示未曾料到的结果) , 例如:

I went to see him last Friday only to find him out.

She lifted a big rock only to drop it on her own feet.

2.5.3作原因状语

常用于下列结构中:主 (人) +be+形容词 (过去分词) +to do, 例如:

We are proud to be Chinese after we are middle school sdents.

I’m sorry to here that bad news.

过去分词或形容词做表语时, 后面可定式做状语, 以说明谓语所表示的情况或产生这种感情的原因等。用于此结构中的过去分词或形容词多是一些表示好恶或喜怒哀乐等的词, 常见的有:happy (高兴的) , glad (高兴的) , sorry (遗憾的) , anxious (焦急的) , lucky (幸运的) , disappointed (失望的) , angry (生气的) , sur-prised (吃惊的) , proud (自豪的) , delighted (高兴的) , clever (聪明的) , foolish (愚蠢的) , pleased (高兴的) , ready (准备好的) , fortu-nate (幸运的) , right (合适的) 等。

另外, 在这种结构中还可用easy, difficult, comfortable, hard等形容词, 这时主语既可表示人, 也可表示物, 例如:

Tom is easy to get along with.

The truck is hard to park at this time.

不定式有时可看作插入语, 用来说明说话人的态度, 对整个句子进行解释, 例如:

To tell you the truth, I remember all about the thing.

2.6宾补和主补

1) 不定式作宾补时宾语与不定式之间有逻辑上的主谓关系, 例如:

I want you to be lucky. (you are lucky)

They wanted me not to be afraid.

能够这样用的动词有ask, help, wish, invite, tell, allow, re-quest, cause, order, permit, want, except, intend, warn等。

) 在感官动词和使役动词make, let, have出现的不定式作宾补省略to, 但变为被动句后, 宾补变为主补to要还原。

I saw Peter get on the ship yesterday afternoon.

——Peter was seen to get on the ship yesterday afternoon.

3 动词不定式的复合结构和疑问结构的用法

3.1 复合结构for+名词 (或代词宾格) +to do

名词或代词为不定式的逻辑主语, 此种结构可在句中充当各种句子成分。

It is necessary for us to go to France by plane.The matter is for my sister to decide.

The matter is for my sister to decide.

3.2 疑问词+不定式结构

疑问词:what, whether, why, when, where, how+to do可以在句子中充当多种句子成分。

1) 在decide, inquire, learn, remember, see, wonder, forget, know, settle等动词后+疑问结构作宾语, 例如:

They haven’t decide whether to buy the house.

She forgot which school to go.

2) 在advise, teach, show, ask, tell, instruct, inform等后+疑问结构作宾补。

He advised me what to ask in the classroom.

They have told me when to begin this evening.

) 疑问结构可以作介词的宾语。

The question of what to use has not been decided.

4) 疑问结构作表语。

Our difficulty is how to find a English dictionary now.

5) 疑问结构做主语。:

What to do next week is not yet clear.

4 动词不定式的语态和各种时态的用法

1) 动词不定式一般式所表示的动作与句中谓语动词的动作同时发生或在其后发生。

I saw him sing happily. (与谓语动词同时发生)

I hope to see you next year. (在谓语动词之后发生)

2) 不定式进行式所表示的动作与谓语动词的动作同时发生, 强调动作正在延续。

She’s glad to be working with you in the same factory.

3) 不定式完成所表示的动作发生在谓语动词的动作之前, 强调动作已完成。

I am regret to have given you too much trouble.

I pretended to have seen him last weekend.

4) 当不定式的逻辑主语是不定式所表示动作的承受者时, 用被动语态。

He asked the manager to sent him to China. (主动)

He asked to be sent to China. (被动)

Tom is t likely to have told him about it. (主动)

Tom is t likely to have been told about it. (被动)

参考文献

[1]薄冰.英语语法[M].北京:开明出版社, 2007.

不定式用法 篇9

1.在以下动词后,只能跟不定式作宾语。如:agree,ask,aim,arrange,choose,decide,demand,expect,fail,help,hope,lean,long,manage,offer,plan,prepare,pretend,promise,refuse,wish等,这些词大部分可接that引导的从句。如:

(1)I decided to ask for my money back.

(2)I decided that I would ask for my money back.

(3)When our visit to the farm was over,we expected to start back on foot.

(4)When our visit to the farm was over,we expected that we would start back on foot.

2.当复合宾语中的宾语是不定式时,先用形式宾语it代替不定式,把不定式置于补语之后,即主语+动词+it+补语+to do句式。如:

(1)We think it quite important for us to learn a foreign language well.

(2)He feels it his duty to help the poor.

3.介词but,except,besides+to do(do)。在这种句型中,如介词前有动词do,后面应接不带to的不定式;如无do,则接to不定式,即带do不带to,带to不带do。如:

(1)The enemy soldiers had no choice but to give in.

(2)On Sunday afternoon I had nothing to do but watch TV.

二、动名词作宾语

1.在以下动词后,只能接动名词作宾语,如:admit,appreciate,consider,delay,enjoy,finish,keep,imagine,mind,miss,practise,resist,risk,save,suggest,don’t mind,give up,insist,on,put off等。如:

(1)I suggest spending our summer vacation in a seaside town.

(2)You must give up smoking,for it does too much harm to your health.

2.动名词作介词的宾语。如:

(1)I should go to attend the birthday celebration instead o staying at home.

(2)What about inviting Li Jun to make a speech?

动名词前的介词有时可以省略,如:have difficulty(in)doing,have no trouble(in)doing,lose no time(in)doing,prevent/stop...(from)doing,there is no use(in)doing等。

3.部分动词后面,既可接动词不定式,也可接动名词作宾语,意义不变。如:begin,continue,start,hate,like,love,need,require,want等。

在need,require,want后接-ing形式,表示被动意义,也可接不定式,但要用被动形式,如:Your handwriting needs improving(to be improved).hate,love,like接不定式表示特定的未来事件,接动名词表示目前正在进行的活动或一般的行为。

在下列情况下,一般要用不定式:

(1)hate,like,love前有would(should)时,如:I’d like to have a cup of coffee.

(2)当谓语动词begin,continue,start等是进行式时,如:The students are starting to work on the difficult maths problem.

(3)begin,continue,start与know,understand等状态动词连用时,如:I soon began to understand what was happening.

4.advise,allow,encourage,forbid,permit等动词后接动名词作宾语,或带不定式作宾语补足语。如:

(1)Our teachers don’t permit our swimming in the lake.

(2)Our teachers don’t permit us to swim in the lake.

5.部分动词后接不定式或动名词时,意义差别较大,应根据句子语境选择使用。

5.1 forget,remember,regret后接不定式,表示现在或未来的动作,接动名词表示动作已经发生。如:

(1)Don’t forget to post the letter for me.

(2)Have you forgotten meeting her in Beijing Airport?

(3)Remember to close the windows before you leave.

(4)I remember writing him a letter a year ago.

(5)We regret to tell you that all of you are not invited toattend the meeting.

(6)They regretted ordering these books from abroad.

5.2 mean to do打算做某事;mean doing意味着……,如:

(1)I meant to catch up with the early bus.

(2)This means wasting a lot of money.

5.3 try to do设法尽力做某事;try doing试着做某事,如:

(1)You should try to overcome your shortcomings.

(2)Try working out the physics problem in another way.

5.4 stop to do停下一件事去做另一件事(不定式作目的状语);stop doing停止做某事,如:

(1)On the way to the airport,I stopped to buy a paper.

(2)You’d better stop arguing and do as you are told.

5.5 can’t help doing禁不住……;can’t help to do不能帮助干……,如:

(1)They couldn’t help jumping up at the news.

(2)Sorry I have lots of work to do.So I can’t help to make up the room for you.

5.6 go on to do做不同的事或不同内容的事;go on doing继续不停地做某事,指同一动作的继续,如:

(1)He went on to talk about world situation.

(2)We’ll go on fighting so long as there is oppression in the world.

5.7 leave off to do离开某地去干什么(目的状语);leave off doing停下某事,如:

(1)It’s time to leave off talking and to start acting.

不定式用法 篇10

1.不知道记忆、背诵语法知识点的重要性。很多学生经常是处于不断听、不断忘的恶性循环,始终不能理解、弄透语法。其实原因在于学生自身观念未转变:他不知道在英语语法学习中记忆的重要性——今天学习的语法知识没有在一定的时间内去记忆、去理解,过了一段时间几乎空白,又要重新去学,试问如此反复,何时是一个头呢?所以一个重要的前提是学生们要转变观念,要明白按时识记、理解语法的重要性,要克服自身惰性,多记、多背。

2.没有去类比记忆,找出语法相通与区别之处,找出语法点起源。有些学生知道识记语法的重要性,但语法学习还是时常磕磕绊绊,总是不开窍,问题便在于该类学生在识记语法时,未进行类比记忆。因为不同的语法知识点存在相通点,仅孤立地去记忆一个个语法知识,容易记混、记乱,弄不明白。另一点需要强调的便是有些语法知识点很庞杂、系统化,学生只是硬生生地将其塞进头脑,这样终究还是记不住、记不透。殊不知再复杂、再系统的语法,总有它最原始、最基本的雏形,找到这一雏形,再具体细化,分析深层结构,问题都会迎刃而解。

3.缺少科学的习题训练。上课听懂,理解了某一语法知识点,课后也进行了相关的记忆、理解,可是做题目时还是不那么得心应手。原因在于缺少相应的习题去练、去巩固、去感悟。学生课后要自主地去找相关的习题去练习。而这之中习题量和内容的安排要有一定的科学性:首先要有一定的量;其次是不能只是今天学就今天练,要有持续的周期;再次,习题内容的安排既要有本语法知识点的习题,也要穿插其他易与此语法点混杂的习题,以及相关的老、旧的习题。这样方能有助于区别记忆,真正弄懂一个语法知识点。

二、感性认识与理性认识的相关介绍

感性认识属于认识的初级阶段,是由感官直接感受到的关于事物的现象、事物的外部联系、事物的各个片面的认识。具体包括三种形式:感觉、直觉和表象,这里不再一一详述。理性认识是认识过程的一个重要阶段,以事物的本质规律作为认识对象,是对事物的内在联系的人认识,具有抽象性、间接性、普遍性的特点,属于认识的高级阶段,包括概念、判断、推理三种形式。以下笔者将以动词不定式为例从感性认识、理性认识的角度来阐述如何快速、高效地巧记英语语法,以此来达到英语语法学习认识层次上的提升,走出英语语法学习的弊端。

三、以动词不定式用法为例进行分析

1.带to的动词不定式可以依附于不带to的动词不定式之后构成词组单元。高中语法会引进新的语法概念,即谓语动词、非谓语动词一说。所谓前者就是该类词可以作为判断句子中谓语而存在;而非谓语动词,顾名思义,即这类词不能作为判断谓语的依据,无法单独组成句子。带着这种概念的阐述,我们再以之前学过的一个词组want to do sth为例:在这个词组中,want即为不带to的动词不定式,以谓语的形式存在;而to do作为非谓语动词的形式。这就是为什么一般现在时的三单形式加在want之后,而非to do后。结合以前所学的诸如此类的相关词组,我们可以总结发现相关的词组结构是一个谓语动词加非谓语动词——这一点便是一个认识的飞跃:明白可以进行词组单元内部拆分来记忆,相关的含to的动词不定式的词组记忆便有了新突破。

2.带to的动词不定式to do可以表示主动和将来。高中引入非谓语动词to do(即带to的动词不定式)这一用法时,强调to d表示主动和将来两层含义。带着这一概念去学习相关语法知识点,我们的认识水平自然也应当进一步条理化、系统化,也就更加理性化。再回归之前所学的词组want to do sth,这之中的to do表示一种将来的状态,因为毕竟还没有去做某事,只是“想要”的含义;另外它也表示是说话人的主动动作。当然并不是千篇一律地主动、将来两种状态必须同时存在。

四、结语

不定代词的用法 篇11

一、不定代词的用法

不定代词大都可以代替名词和形容词,表示不同的数量概念,没有主格和宾格之分。在句中作主语、宾语、表语、定语等。

1.作主语

Both of them are teachers. 他们两人都是教师。

2.作宾语

I know nothing about this person. 我对这个人一无所知。

3.作表语

This book is too much for a child. 这本书对一个小孩来说太难了。

4.作定语

There is a little water in the glass. 玻璃杯里有一些水。

二、常用不定代词用法举例

1.some 一些,某些,某个

不定代词some可以代替名词和形容词,常用在肯定句中作主语、宾语、定语等。作定语时,它可以修饰可数名词(单、复数皆可)和不可数名词。例如:

Some are doctors, some are nurses. 有些人是医生,有些人是护士。(作主语)

2.any一些,任何

(1)不定代词any可以代替名词和形容词,常用在否定句或疑问句中作主语、宾语、定语等。作定语时,它可以修饰可数名词(多为复数)和不可数名词。如:

There isn’t any ink in my pen.我的钢笔没有墨水。(作定语)

(2)不定代词any有时也可以用在肯定句中,表示“任何的”。如:

You may come at any time; I’ll be home the whole day.

你任何时候来都行,我整天都将呆在家里。

(3)不定代词any也可以用作副词,作状语,表示程度。如:

Is he any better today?他今天好一点了吗?

3.all 全体,所有

不定代词all在句中可以作主语、宾语、表语、定语或同位语。它可以代表或修饰可数名词和不可数名词。代表或修饰可数名词时,指三者或三者以上的人或物。如:

All were present at the meeting. 全都到会了。(作主语,代表可数名词)

4.both 全部,都

不定代词both指两个人或事物。和all一样,可以用作主语、宾语、定语或同位语。如:

We invited both to come to our farm. 我们邀请两个人都来我们的农场。(作宾语)

5.none 无人或无物

不定代词none的含义和all相反,和no one,not any同义,但其用法相当于名词,在句子中一般作主语或宾语。它代替不可数名词作主语时,谓语动词用单数形式;代替可数名词作主语时,谓语动词用单、复数皆可。如:

None of the problems is/are easy to solve.

这些问题没有一个是容易解决的。(作主语, 代替可数名词)

6.either 两者之中的任何一个,这个或那个。

不定代词either可以作主语、宾语和定语。如:

Either of them will agree to this arrangement.

他们两人中会有人同意这样的安排的。(作主语)

7.neither 两个之中一个也不是

不定代词neither是either的否定形式,可以作主语、宾语和定语。如:

Neither is interesting. 两个都没有趣。(作主语)

8.each 每个,各自的

不定代词each指每一个人或事物的个别情况,甚至指这些个别情况各不相同。它在句中可以作主语、宾语、定语和同位语。如:

She gave the children two apples each.

她给了每个小孩两个苹果。(作the children的同位语)

9.every 每个,每一的,一切的

不定代词every有“全体”的意思,和all的意义相近,但只能作定语。如:

Every child has got a present. (=All the children have got their present.)

所有的孩子都得到了礼物。(强调整体)

三、复合不定代词

1. some, any, every, no都能和one, body, thing一起构成代词,这些代词叫复合不定代词。它们的基本含义为:

指人:somebody, someone 某人; anybody, anyone 任何人; everybody,everyone每人; nobody, no one没人。

指物:something某物某事; anything任何事物; everything一切事物; nothing无事无物。

2. 一般情况下,some构成的复合不定代词,其作用和some相同,用于肯定句;any构成的复合不定代词用于否定句或疑问句;no构成的复合不定代词表示否定含义,用于否定句。如:

I have something to tell you. 我有事要告诉你。

He didn’t say anything at the meeting yesterday. 昨天在会上他没发言。

Everybody likes swimming. 每个人都喜欢游泳。

There is nothing wrong with your ears. 你耳朵没毛病。

3. something可用于提建议或请求的问句中,以及希望对方作出肯定回答的问句中。如:

Would you like something to eat? 你要吃点东西吗?

4. 复合不定代词在句子中作主语时,谓语动词一般用单数形式。如:

Nobody knows his name. 没有人知道他的名字。

5. 复合不定代词的定语要后置。如:

不定式用法 篇12

一、动词不定式的用法

动词不定式根据其在句中的作用不同,可以充当各种句子成分。如:

Учиться—нашазадача.(主语)

Нашазадача—учиться.(谓语)

Мыпосоветовалиегопосмотретьэтотфильм.(补语)

МыприехаливМосковскийуниверситетучиться.(状语)

Уменяпривычкарановставать.(定语)

二、动词不定式体的用法

动词不定式在句中作谓语、补语时涉及体的选择问题,亦是俄语专业四级考试的重点和难点。

动词不定式体的用法一览表

通观各类语法教材,分别列举了动词不定式未完成体的用法、完成体的用法,由于缺乏对比,学生无法识记,我制作了如上表格,动词不定式体的用法一目了然且易于识记,在教学实践中效果良好。

三、应注意的问题

应当注意到,以上表格并不全面,如以下专四真题:

与приходиться这一类的无人称助动词连用时,动词不定式体的选择问题,以上表格未提及,应该归入表格中的加黑部分予以考虑。故而本题选A.

另外,表格的最后一行中提及动词不定式做要求、促使等动词的补语情况下体的选择问题,在此予以解释。动词不定式可以用在要求、促使、禁止等动词后作补语,如:

помогать—помочь(帮助)

просить—попросить(请求)

советовать—посоветовать(建议)

запрещать—запретить(禁止)

这种句型类似汉语中的兼语句,我们在此讨论的是:

помогать﹢кому﹢не﹢未完成体动词不定式/помогать﹢кому﹢完成体动词不定式

просить﹢кого﹢не﹢未完成体动词不定式/просить﹢кого﹢完成体动词不定式

советовать﹢кому﹢не﹢未完成体动词不定式советовать﹢кому﹢完成体动词不定式

俄语语法繁冗复杂,在讲授如此众多的语法规则时教师应当善于总结归纳,运用图表等方法化繁为简,增强学生的实际运用能力,取得良好的教学效果。应当注意,表格等图示方法一目了然,但是存在以偏概全的缺点,应当引导学生掌握表格中涉及形式以外的变体形式,在降低学生学习难度的情况下充分强调讲授知识的准确度,切忌以偏概全。

摘要:俄语动词不定式用法较多, 不易掌握;动词不定式体的选择更成为了俄语专四考试的必考题目, 构成了学生的学习障碍。而大量语法教材止步于规则的罗列, 作者在语法教学实践中运用表格、图表等方法化繁为简, 将难于识记的语法规则予以明晰的展示, 以期降低学生的学习难度, 服务教学。

关键词:俄语,动词不定式,语法教学,表格

参考文献

[1]信德麟, 张会森, 华邵.俄语语法 (第2版) .外语教学与研究出版社, 2009.

[2]黄颖.新编俄语语法.外语教学与研究出版社, 2009.

[3]史铁强, 刘素梅.大学俄语2.外语教学与研究出版社, 2010.

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