英语语法考试含答案重点：情态动词+ have done

重点：情态动词

+ have done

1

、

“mu st+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。

1. It must have rained last night, for the ground is wet.

昨晚一定下雨了，因为地面还是湿的。

2. You must have been mad to speak to the servant.

你和仆人说话，一定是发疯了。

2

、

“ca n't+have+done”表示对过去事情的否定推测，译成“不可能做过某事”。

1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now.

史密斯先生不可能去

北 京了，我刚才还在图书馆见过他。

2. Mary can't have stolen your money. She has gone home.

玛丽不可能偷你的钱，她回家去了。

3

、

“ca n+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过??吗？”。

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1. There is no light in the room. Can they have gone out?

屋里没有灯，他们可能出去了吗？

2. There is nowhere to find them. Where can they have gone?

到处找不到他们，他们可能到什么地方去呢？

4

、

“co uld+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。

He could have passed the exam, but he was too careless.

本来他能够通过考试，但是他太粗心。

5

、

“ma y+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。< /p>

—

What has happened to George?

—

I don't know. He may have got lost.

—乔治发生了什么事？

——我不知道，他可能迷路了。

6

、

“mi ght+have+done”表示对过去事情的推测，

might

与

may

意思相同，但可能性更小。多用于虚拟语气结构中 。

1. He might have given you more help, even though he was busy. (MET90)

他或许会多给 你一些帮助，即使

他很忙。

2. She might have achieved greater progress, if you had given her more chances.

如果你多给她点机会，

她可能已经取得更大 的成绩。

7

、

“wo uld+have+done”虚拟语气，表示对过去事情的假设，意思是“本来会做”。

1. I would have told you all about the boy's story, but you didn't ask me.

我本来会告诉你这个小男孩

的 故事，但是你没有问我。

2. Without your help, I wouldn't have achieved so much.

没有你的帮助，我是不会取得如此大的成绩。

8

、

“should+have+done”意思是“本来应该做某事，而实际没做。” “ shouldn't+have+done”表示本来不应

该做某事，而实际做了。含有 指责对方或自责的含意。

1. Tom, you are too lazy. The work should have been finished yesterday.

汤姆 ，你太懒惰了，这项工作

本来应该昨天就做完的。

2. Look, Tom is crying. I shouldn't have been so harsh on him.

看，汤姆哭了，我本来不应该对他如此严

厉。

9

、

“ought to+have+done”表示过去应该做而实际并没有做，译成“理 应做??”，往往表示遗憾。与

“should+have+done”用法基本一样。

I ought to have gone home last Sunday.

我理应上星期日回家。

You ought not to have given him more help.

你不应该帮助他那么多。

10

、

“n eed+have+done”表示本来需要做某事而没有做。“needn't+have+done”则表示 “本来不需要做某事而

做了”。

I needn't have bought so much wine

—

only five people came.

我本来没有必要买这么多酒，只来了五个人。

He need have hurried to the station. In that case, be wouldn't have missed the train.

他本来需要快

点去车站，那样的话，他就不会误了火车。

连词和状语从句

1

1.

Doctor Smith wasn’t set free____ he was old and sick.

A. when B. since C. until D. after

2. It is generally believe that teaching is ____ it is a science.

art much as an art as an art much as much an art as

3. _____at the age of twelve, he started working to support the whole

family.

1

e of still

4.I considered her nice and honest_____I met her.

A. for the first time B. the first time C. first time the first time

5. She wrote down his adress and telephone number in her notebook carefully

____she might not forget.

as order case that

6. ____I saw him I knew he had failed the experiment.

a moment a moment moment a moment

r much____ ,it will be worth the money.

the bag cost the bag watch will bag bag costs

a taxi,____you will miss the train.

A. and ise

____it was ,we continued our work without any rest.

if r gh

10.____through the field, the old scientist found wild flowers

Provided an interesting subject for human beings to study.

walking walk walks one have walked

11.I have no time to visit you____I am too busy.

12.____,I have never met anyone who’s as able as Lisa.

long as I have worked with I have worked with so many people

that I have worked with so many people people as I have worked with

may go out for a walk ____your work is done.

14.____you____I shounld say sorry to them for what we said yesterday.

?or r?or r?nor ?but also

15.____he finishes his everyday work, his boss doesn’t mind when he

Arrives at the office.

order that long as far as fear that

16.

I think I’ll go on Friday,____it suits you.

soon as if

17.-Black tea____green tea?

-A cup of black tea,please,____I used to like green tea.

?and ?but ?and ?but

o

ld man’s living conditions have improved,____very slightly.

r

19.____,he lived a very simple life.

he had a lot of money B.A lot of money he had

had a lot of money he had a lot of money

always insists____she felt herself to be right.

D. that

can have this magazine____I fininsh reading it.

that e moment

Meisen has felt better and better____he stopped smoking

gh I failed many times in my experiments,____I won’t____.

?lose my heart ?lose heart

C. yet?lose my heart D. yet?lose heart

proper food is better than____for your illness.

the doctor g the chemist’s

medicine take medicine

can’t suppose that English words are always spelled____they sound.

way same as like the means

26.____young and inexperienced,however,they’ve done____job.

?quite a good

?quit good

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