作主语： 1 。谓语动词通常用单数 2 。常用 it 作形式主语在句首

When and where to build the new factory____ yet. (MET’91)A. is not decided B. are not decidedC. Has not decided D. have not decided

Is ____ necessary to complete the designbefore National Day? (MET’89)A. this B. that C. it D. he

A

C

作宾语 She can’t help ____ the house because she’s busy making a cake. ( 上海’ 99)A.to clean B. cleaningC. cleaned D. being cleaned

While shopping, people sometimes can’t help_____ into buying something they don’t really need.A. to persuade B. persuadingC. being persuaded D. be persuaded

A

C

注意区别

help to do / help do 帮助（某人）做某事 can’t help doing 忍不住，禁不住

---I am terribly sorry that I’ve tried my best to stop my car, but…--- _____.A.Your eyes must be blind!B.What are you doing?C.You must pay for me, OK?D.Never mind. It can’t be helped.

D

这是不可避免的

注意某些及物动词后接 to do 和 doing 的区别He agreed ___ here but so far he hasn’t turned up yet. (NMET’95)A.having met B. meetingC. to meet D. to have met

---You were brave enough to raise Objections at the meeting.---Well, now I regret _____ that. (NMET’95) A. to do B. to be done C. to have done D. having done

C

D

对做过的事情感到懊悔— regret doing sth遗憾地（说，告诉等） -- regret to do = be sorry toWe have always regretted selling the house.I regret to tell you that your mother is ill.I regret to say that we have no good news for you.

I regret not to have started earlier.He regrets to have done such things.

用不定式的完成时，也是表示“ 已做过的事情”

用 doing 时，一般式或完成式都可He will regret leaving here.离开这他会后悔的You’ll regret having said those words.你将会对你说过的话感到后悔的

我后悔错过了一个好机会I regretted losing a good chance. 或I regretted having lost a good chance.

I don’t remember meeting such a fellow anywhere before.我记不得以前在什么地方见过此人Please remember to turn off the light before you leave.离开房间前请记住关灯

remember doing sth = remember to have done sth

我还记得很小时曾被带到北京去过I remember to have been taken to Beijing when I was a small child.

Tom still remembers ____ to China as a boy of seven.A. being taken B. takenC. taking D. to be taken

I regret ___ him the bad news that morning. A. telling B. having told C. told D. to tell

The roof of the house lets in rain. It need____. A. being repairing B. repairing C. to repair D. repaired

A

B

B

作补足语—注意带 to 和不带 to 的区别---Do you think the Stars will beat the Bulls?---Yes. They have better players, so I ____ them to win. (NMET’99)A.hope B. expect C. prefer D. want

Paul doesn’t have to be made _____. He always works hard. (NMET’95)A.learn B. to learn C. learned D. learning

B

B此处是“预料”的意思

John was made ____the truck for a week as a punishment. (MET’91)A. to wash B. washing C. wash D. to be washing

A

作状语He let me repeat his instruction ___ sure that I understand what was ____after he went away. ( 上海 2000)A.to make…to be done B. making…doingC. to make…to do D. making…to do

A

___ late in the morning, Bob turned off the alarm. (NMET2001 春 )A.To sleep B. SleepingC. Sleep D. Having slept

---Mum, why do you always make me eat an egg every day?---____ enough protein and nutrition as you are growing up. ( 上海 99)A.Get B. Getting C. To get D. To be getting

A

C

作表语The purpose of new technologies is tomake life easier,___ it more difficult.A. no make B. not to make (NMET’99)C. not making D. do not make B

作定语1.She is not a person to bow before difficulty.2. I have a lot of letters to write.

3. I have only a cold room to live in.

注意不定式与被修饰词的逻辑关系的判断

主胃关系

动宾关系

不及物动词，有动宾关系，要有相应介词

After she considered the problem, she got a tall box to stand ___. (NMET’95)A.by B. on C. up D. with

When I handed the report to John, he saidGeorge was the person ___. ( 上海’ 96) A. to send B. for sendingC. to send it to D. for sending it to

B

C

There are five pairs ____, but I’m at a loss which to buy. ( 上海’ 99) A.to be chosen B. to choose from C. to choose D. for choosing

Let’s get a chair for ____.A.You to sit down B. you to sit onC. You sitting down D. your sitting

B

B