We have found a good place to live in.

(8) for + 名词（或者代词宾格）+动词不定式构成不定式的复合结构，

在句中作 主语 宾语， 表语定语等

e.g. It’s very important for you to study English well.

3 时态、语态构成（以do 为例） 时态 语态 一般式 完成式 进行式 完成进行式 注意：

A 不定式的一般式所表示的动作，通常与主要谓语动词所表示的动作或状

态同时发生或在其后发生。

e.g. I have some good news to tell you.（发生在后） She was seen to enter the hall. （同时）

B 不定式的进行式所表示的动作和谓语动词所表示的动作同时发生 e.g. She seems to be waiting for you. He pretended to be sleeping

C. 不定式的完成式所表示的动作发生在谓语动词所表示的动作之前 e.g. I’m sorry to have kept you waiting for so long. She seems to have heard the news.

D 当不定式的逻辑主语和不定式之间有逻辑上的动宾关系时，就用不定式

的被动形式

e.g. She wanted the letter to be mailed at once.

It’s an honor for me to have been asked to speak here. Exercises

Fill in the blanks with the given verbs in their proper infinitive forms.

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主动 to do to have done to be doing 被动 to be done to have been done 一般不用 to have been doing 一般不用 1. More and more young people are learning -________( drive) cars 2. The doctor will advise you which medicine ________(take) first. 3. He doesn’t like _________( praise)

4. We were having breakfast when I heard the telephone_______(ring) 5. The weather is too cold for them __________(go) out. 6. It’s a great honor _________(invite) to your company. 7. She asked __________(send) __________(work) on a farm after she

finished her study at the college.

8. My idea is to let Mrs. Black ________(take) over my work. 9. She seemed __________( hear) about it already.

10.The text is too long for her _________( learn) by heart.

Grammar Exercises

1. Complete the following sentences with the correct form of the

infinitive.

1） It’s not good for you to smoke （smoke） so much.

2） The book is said to have been translated （translate） into many

languages.

3） You look tired. You seem to have worked （work） too hard for too

long.

4） It’s easy to be （be） wise after the event.

5） I’m sorry to have missed （miss） the party, but I was very busy

yesterday.

6） Sorry to have kept （keep） you waiting so long.

7） They happened to be passing （pass） by when that car ran into

the tree.

8） We are proud to have won （win） the contest.

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9） It’s such a pleasure to have （have） you here with us. 10） The most important thing at present is to find （find） good

teachers for the school.

2.Complete the following sentences with the correct choice.

1） The doctor said that the patient had _______at once. A. to operate B. to be operated C. to operate on D. to be operated on 2） Do you have any clothes ________today?

A. to wash B. be washing C. for to wash D. washing 3） They are not sure which restaurant _______？ A. to go B. to go to C. to eat D. for eating 4） I don’t want _______this afternoon.

A. to go swimming B. go swimming C. going swimming D. swimming 5） Everybody wants _______properly for what they do. A. to pay B. being paid C. to be paid D. to be paid for 6） My wish is _______a doctor.

A. to become B. becoming C. become D. to have become

7） I’m sorry _______the glass. But I really didn’t see it in my

hurry.

A. to have broken B. to break C. to have been broken D. to be broken 8）To answer correctly is more important than _______. A. answered quickly B. a quick answer

C. quickly answered D. to answer quickly 答案：D.A.B.A.C.A.A.D.

3.Translate the following sentences into English, using

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infinitives.

1）婴儿需要很好的照顾。

The baby needs to be taken good care of. 2）放弃这次机会将是很可惜的。

To give up the chance is a great pity. 3）小孩在马路上玩耍是很危险的。

It’s very dangerous for children to play in the street. 4）他答应不再来了。

He promised not to come again. 5）我没有要伤害你的意思。 I didn’t mean to hurt you.

八。与本课有关的历年考题

1. （2009.10，选择） His music is enjoyed by adults and children.____ A. like B together C alike D all

2. （2010,10 选择） Thank you, Mr. President. I’m very happy to ___ a chance to visit your college.

A being given B be given C give D have given

3. (2009,10, 填空) In “Detective on the Trail”, Bob Sugg’s favorite part of the newspaper was ______.

4. (2009, 10句子翻译) 不是所有的会员都出席了昨天的会员。 答案： 1. C 2.B

3. C the page of personal advertisements

4. Not all the members turned up at yesterday’s meeting.

九、补充练习

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完形填空

place, face, enough, world, wise, between, which, seem, idea, to, what, about

We often hear people talking about a generation gap. The name is new, but the 1 is old. Young people and their parents don’t understand each other. The world keeps changing; it has always kept changing. During the second century after Christ a 2 man said, ‘Bury me on my 3 because in a little while everything will be turned upside down.’ There has always been a gap 4 generations, but more people talk about it now. Old Mr. Ellis thinks he understands 5 has happened, “When I was a boy, I thought the world was a beautiful 6. My life was very pleasant. But when I was older, I learn 7 people who were treated badly, people who didn’t have 8 to eat. I wanted to help them, and I married a girl who wanted to help them, 9. We went to meetings and talked a lot, but it didn’t 10 to make much difference.”

答案：1-5: idea wise face between what 6-10: place about enough too seem 作业

1、熟练掌握单词和常用短语，熟读课文两遍以上。 2、预习下册Lesson 4。

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