最新情态动词+ have done用法上课讲义

_________ cleaned.
A. can’t have been B. couldn’t be
C. may have been D. would be
4. There ______ be any difficulty about
passing the road test since you have
B. can’t
C. mustn’t
D. needn’t
9. Although this ______ sound like a
simple task, great care is needed.
A. must
B. may
C. shall
D. should
10. — She looks very happy. She ______
even though he is a nice person in general.
A. shall
B. should
C. can
D. must
8. You ______ be hungry already — you
had lunch only two hours ago!
A. wouldn’t
It must have rained last night for the road is quite muddy.
2.Can/could have done 1.本来能够做 2.过去可能会做
Can he have gone to his aunt? 他有可能去她姨妈家了吗？
3.Cannoຫໍສະໝຸດ Baidu/could not have done
practiced a lot in the driving school.
A. mustn’t
B. shan’t
C. shouldn’t
D. needn’t
5. This umbrella looks like mine, but it
isn’t. Whose ______ it be?
A. must
have passed the exam.
— I guess so. It’s not difficult after all.
A. should
B. could
C. must
D. might
11. — I’ve taken someone else’s green
2. — Where is Emma?
— I can’t say for sure where she is,
but she _______ be out shopping.
A. can
B. should
C. must
D. may
3. The room is in a terrible mess; it
情态动词+ have done用 法
什么是情态动词？
(Modal Verbs)
情态动词表示说话人的某种感情 或语气，对某一动作或状态的某 种态度。表示“需要、可以、必 须、应当”等。
情态动词+ have done用法
1.must have done 想必/准是/一定做了
2.否定式为：can’t /couldn’t/+have done
1.过去不可能 2.过去没能够
He cannot have forgotten it. 他不可能忘了那件事。
3.may/might have done
也许、或许已经做了，一般只用于肯定句或 否定句中（在否定句中表示“可能不”)，不 用于疑问句。用might表示语气更加不肯定。
It’s too late. I think he may have gone to bed.
5.should not/ ought not to have done 本不该做而做了 You shouldn’t have told her truth. 你本不该告诉她真相。
6.needn’t have done 本不必做而做了
You needn’t have taken a taxi here, for it was very near to my house.
B. can
C. may
D. might
6. — May I sit beside you, sir?
— Sorry, you ______. Look, my daughter
is coming.
A. can’t
B. mustn’t
C. needn’t
D. shouldn’t
7. Peter ______ be really difficult at times
课堂练兵
1. — ____ I go out to play, mum? 2. — No, you _____. You should do
your homework first. 3. A. Might; wouldn’t 4. B. May; had better not 5. C. Must; mustn’t 6. D. Need; mustn’t
He may not have finished the work.
他也许还没完成那项工作。
4.should/ ought to have done
本该做，而实际上未做
You ought to have done this exercise more carefully. 你本应该更仔细地做这个练习。
7. had better (not) have done 当时最好（没）做了某事
You had better not have scolded her.
8.would rather (not) have done 宁愿当时（没）做了某事
I raised objections at the meeting, but now I would rather have not done that.
9.would like/love to have done
过去愿意做但未做成
I would love to have gone to the party last night, but I had to work extra hours to finish a report.
昨晚我本来很想去参加聚会的，但我 得加班完成一个报告。