动词不定式-学生

动词不定式-学生
动词不定式-学生

动词不定式

一、动词不定式的特征和种类

动词不定式是由构成,在某些情况下to也可省略。

A.不定式的一般式:不定式的一般式表示的动作通常与主要谓语的动作同时或几乎同时发生,或是在它之后发生。He appears to be very happy. (同时发生)To catch the train, we'd better hurry to the station by taxi.

(to catch the train发生在hurry to the station之后)B.不定式的进行式:不定式的进行式表示正在进行的或与谓语动词同时发生的动作。

It happened to be raining when I got there.

C.不定式的完成式:不定式的完成式表示的动作在谓语表示的动作之前发生。

I'm sorry to have lost your key.

D.不定式的完成进行式:不定式的完成进行式表示的动作在谓语之前发生并且一直进行着。

He was said to have been living in London for twenty years.

比较:不定式的时态意义。

He is said to be studying abroad. (不定式的进行式表示动作正在进行)He is said to have studied abroad. (不定式的完成式表示动作已经结束)E.不定式的被动形式

当不定式逻辑上的主语是这个不定式表示的动作的承受者时,不定式一般要用被动形式。不定式的被动形式根据其与谓语动作发生的先后关系,有一般式和完成时两种。

1.一般式to be done

These are the books to be given out to the students.

2.完成式to have been done

The novel is said to have been translated into many languages.

F. 不定式的否定形式:不定式的否定形式由not或never加不定式构成。

We decided not to go out because of the bad weather.

注意:谓语动词的否定和不定式的否定不同的意义

I did not promise to wake him up.

I promised not to wake him up.

二、动词不定式的用法

动词不定式除了不能单独作谓语外,几乎能担任句子中所有的句子成分。

A.动词不定式作主语:不定式具有名词的特征,可在句子中充当主语。

1.不定式短语在句首作主语

To say is one thing and to do is another.

To love and to be loved is the greatest happiness one can get.

2.用it作形式主语

人们通常用it作为形式上的主语,而把不定式移到谓语之后,使句子结构显得平稳一些。

It's rude to turn your back to your teacher and refuse to answer.

注意:当主语和表语都是不定式时,不能用形式主语代替动词不定式。

To respect others is to be respected.

B.动词不定式作表语

不定式作表语可以说明主语的具体内容或表示目的。

His wish is to become an astronaut.

注意:有些作表语的不定式,在结构上是主动的,但在意义上却是被动的。

She is to blame.

C.动词不定式作宾语

不定式可以充当部分及物动词的宾语,也可以充当but和except等介词的宾语以及形容词的宾语。1.作动词的宾语

①不定式可以充当部分及物动词的宾语。

Father likes to listen to music in silence.

必背:可接不定式作宾语的动词有:

decide/determine,learn,want,expect/hope/wish

refuse,manage,care,pretend,

offer,promise,choose,plan

Last night I did nothing but watch TV.

但是,如果谓语动词不是“do nothing,anything,everything”,那么but(except)所跟的不定式则仍

须带to

The doctor told him nothing but to stop smoking.

There was nothing for them to do but to remain silent.

I have no choice but here.

He did nothing last Sunday but his bike.

3.作形容词的宾语

不定式作形容词的宾语有两种句型,一个是句子的主语是不定式的逻辑主语,

另一个是句子的主语是不定式的逻辑宾语。

①句子的主语是不定式的逻辑主语。这类形容词有able, afraid, angry, anxious, careful, clever, content, cruel, determined, disappointed, eager, foolish, fortunate, frightened, happy, impatient, glad, lucky, naughty, prepared, proud, ready, slow, shocked, sorry, surprised, willing等。

I am sorry to say that he is going from bad to worse.

She was not content to live a quiet life in a small town.

②句子的主语是不定式的逻辑宾语。这类形容词有easy, hard, cheap, expensive, dangerous, difficult, funny, fit, impossible, interesting, nice, pleasant, simple, strange, useful等。

This problem is easy to solve.

The water is not fit to drink.

She is hard to get along with.

注意:在这种结构中,如果不定式是不及物动词,则必须加上结构或含义所需的介词。

The river is dangerous to swim in.

A spring mattress is comfortable to sleep on.

D.动词不定式作宾语补足语

不定式可以在“主语+谓语+宾语+宾语补足语”句型中充当宾语补足语。在这一句型中,宾语是动词不定式的逻辑主语。

1.在表示感觉的动词后作宾语补足语,并且不定式都不带to。

五看:look at, see, , watch, notice, observe

三让:let, make, have 与不带有to的不定式连用,

二听:hear, listen to 但改为被动语态时,不定式要加to

一感:feel

What would you have me do?

She made him give up smoking.

◆以hear为例:hear+宾语+看见宾语做……了

hear+宾语+看见宾语正在做

hear+宾语+看见宾语正在被做

hear+宾语+看见宾语被做

I heard her sing an English song just now. (主动,完成)I heard her singing an English song when I passed by her room yesterday.

(主动,正在进行)

I heard an English song being sung by a little girl when I passed by her room yesterday.

(被动,正在进行)I’d like to hear the plan carried out. (被动,没有一定的时间性)

I saw him cross the road.

被动语态He was seen to cross the road.

On Sundays, he always has a lot of letters to write.

The teacher left us a lot of problems to solve.

He can find no one to make friends with.

注意:◆不定式为不及物动词时,所修饰的名词如果是地点、工具等,应有必要的介词, He found a good house to live in.

The child has nothing to worry about.

Please give me a knife to cut with.

Here is some paper for you to write on.

◆如果不定式修饰time,place,way,可以省略介词:

He has no place to live.

This is the best way to work out this problem.

She has a child to take care of.

wrong:To save money,every means has been tried.

right:To save money,he has tried every means. 为了省钱,他使出了浑身解数。

If you stick to the truth, you will have nothing to fear.

You must get used to getting up early.

Isn't it time you got down to marking those papers

练习

1. ---- Can you ride a horse? ---- No, I never had the chance ____.

A.for learning it

B. for learning how

C. how to learn it

D. to learn how

2. Paul said, "Give me a chair _____."

A.to sit

B. sit

C. sit on

D. to sit on

3. I ran too fast ______ where I was going.

A.to notice

B. for me to notice

C. to notice for me

D. and notice

4. ---- Have you enjoyed your visit here? ---- Yes, I'll be very sorry______ .

A.for leaving

B.of leaving

C. to leave

D. with leaving

5. ---- I'll help you whenever you need me. ---- Good. I'd like _____me tomorrow.

A.you helping

B. that you will help

C. you to help

D. that you help

6. ---- I didn't hear you come in last night. ---- That's good. We tried_____ noisy.

A.not be

B. not to be

C. to be not

D. to not be

7. Because of air pollution being greatly reduced, this city is still ______.

A.a good place which to be lived in

B. lived as a good place

C.a good place to live in

D. living in as a good place

8. ---- Why was the official meeting called? ---- ______ new officers.

A.Select

B. Selecting

C. To select

D. For selecting

9. ---- Where did he go? ---- He went to another store ______.

A.to buy pencils

B. for buying pencils

C. buy pencils

D. buying pencils

10.---- My baby has a heart trouble. ---- Did the doctor find it difficult ______ ?

A.in treating

B. treating

C. for treating

D. to treat

11.---- Did the judge ask you many questions? ---- Yes, and ______.

A.they were difficult to be answered

B. to answer them was to be difficult

C. they were difficult to answer

D. they had difficulty in answering

12.That beggar seems _____ anything yesterday.

A.not to have eaten

B. not to eat

C. didn't eat

D. to not have eaten

13.The lost child desired nothing but _____ home.

A.go

B. to go

C. going .

D. went

14.That box is____.

A.too heavy for me to carry

B. too heavy for me to carry it

C.so heavy for me to carry

D. very heavy for me to carry

15.Would you be ______ to do me a favor, please?

A. so kind as .

B. too kind

C. as kind as

D. enough kind

16.To learn to speak English well,_____.

A.much practice is needed

B. one needs much practice

C.much practice is needed by one

D. one is needed much practice

17.Tom kept quiet about the accident ______ lose his job.

A.so not as to

B. so as not to

C. so as to not

D. not so as to

https://www.360docs.net/doc/ac2969362.html,st summer I took a course on ______ .

A.how to make dresses

B. how dresses be made

C.how to be made dresses

D. how dresses to be made

19.The house is not large enough ____ .

A.to live in

B. to be lived in

C. to live

D. for living

20.Nobody likes ______.

A.to speak ill of

B. to be spoken ill of

C. speaking ill of

D. spoken ill of

21.I know him ______ a good football player while in college.

A.to have been

B. to be

C. was

D. had been

22.I was surprised______.

A.watching him to eat so quickly

B. watch him eat so quickly

C.watching him eat so quickly

D. to watch him eat so quickly

23.Mr. White was seen ______ the Palace Museum.

A.enter

B. to enter

C. entered

D. to entering

24.I saw Mary ____ the house.

A.open the door and go into

B. to open the door and to go into

C.open the door and to go into

D. open the door and went into

25.Paul does nothing but _____ all day long.

A.play

B. to play

C. playing

D. played

26.Now we could not do anything but ______ for him here.

A.waited

B. waiting

C. to wait

D. wait

27.I don't know her and I don't ______ .

A.want

B. want to

C. want it

D. to want

28.--- Go to the theatre with me, will you? ---I should like ______, but I don't have time.

A.to

B. too

C. to do

D. to go to

29.To play fair is as important as ______.

A.to play well

B. play well

C. we play well

D. playing well

30.It is the greatest happiness on earth ______.

A.loving and to be loved

B. to love and being loved

C.to love and to be loved

D. love and be loved

31._____ is better to love than _____ .

A.That, to be loved

B. That, be loved

C. It, be loved

D. It, to be loved

32.It's very foolish _____ it?

A.for you to say

B. of you to say

C. with you saying

D. in your saying

33.It ______ me two hours to find your new house.

A.cost

B. took

C. spent

D. Used

34.We did not expect our offer _____ so quickly.

A.rejected

B. to reject .

C. to be rejected

D. rejecting

35.He told her ______ there at once.

A.get

B. gets

C. should get

D. to get

36.We all think it most foolish ______ this mistake.

A.for you making

B. of you to make

C. you to make

D. for you to make

37.I really don't know ____ .

A.to swim

B. how to swim

C. to swim how

D. how swim

38.---- What do you think about English? ---- It's a difficult language _____.

A.speaking

B. to be spoken

C. to speak

D. spoken

中考英语动词不定式考点全攻略

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