情态动词和虚拟语气第一讲 教案
展开课题内容：情态动词和虚拟语气（1）
--- 情态动词初中部分简单回顾
--- 表推测的情态动词
--- 表虚拟的情态动词
课题
--- 情态动词初中部分简单回顾
- I live with my sister this summer and didn’t have to pay rent. So I _____ save most of my salary.
A. could B. would C. was able to D. should
- Night has fallen. We have to stay here for the night, ____?
- don’t we B. haven’t we C. mustn’t we D. shouldn’t we
- ---- _______ I open the door for you? --- No, thank you. I can manage.
- Do B. Can C. Shall D. Should
- --- Will you stay for lunch? --- Sorry, ___. My brother is coming to see me.
A. I mustn’t B. I can’t C. I needn’t D. I won’t
5. He promised he ______ not do it any more.
A. would B. should C. might D. could
6. I didn’t go swimming because nobody _______ go with me.
A. should B. could C. would D. might
7. Whether it was hot or not, he _______ have a hat.
A. would B. might C. could D. should
8. It‘s nearly seven o’clock. Jack ____ be here at any moment.
A. must B. need C. should D. can
9. --- Shall I go and buy more food and drinks for the party? --- No, we have prepared a lot of those. That ___ be quite enough.
A. can B. may C. might D. ought to
10. You ____ return the book now. You can keep it till next week .
A. can’t B. mustn’t C. needn’t D. may not
11. Jonny, you ____ play with the knife, you ___ cut yourself.
A. won’t; can’t B. mustn’t; may C. shouldn’t; must D. can’t; shouldn’t
12. John, look at the time. ____you play the piano at such a late hour？
A. Must B. Can C. May D. Need
13. Why ____we eat out when we can easily cook ourselves at home?
A. must B. shall C. can D. may
--- 表推测的情态动词
- 表肯定推测 _____________________________.
* He must / may/ might be our teacher.
* He may / might come tonight. （ ）
- 表否定推测 ______________________
* He can't / couldn’t be our teacher.
* It can’t / couldn’t be Tom who stole the money.
* He may / might not come tonight. ( )
C 表疑问的推测 __________________________
* Can/ Could he be our teacher?
* It’s so late. Who can / could it be?
D表推测的时间 _____________________________
比较：
* He must be in the office.
* He must be working now.
* He must have left.
* He must have been waiting for a long time.
* He can’t (couldn’t) be in the office.
* He can’t (couldn’t) be working now.
* He can’t (couldn’t) have left. I saw him a minute ago.
* He can’t (couldn’t ) have been waiting for a long time.
--- 表虚拟的情态动词 虚拟和陈述：
* You shouldn’t tell him about it.
* You shouldn’t have told him about it. He is so sad now.
* You needn’t do it. * You needn’t have watered the flowers. Look, it’s raining.
* I’m afraid I couldn’t come tonight.
* I could have come yesterday, but my mother was seriously ill.
结论： should do should have done needn’t do needn’t have done
时间 ___________ _____________ 动作 ___________ _____________
表推测的情态动词和表虚拟的情态动词的区别 表推测的情态动词
--- must have done （ ）
* He must have left this morning.
--- might / may have done （ ）
* He might have come. Look, there’s some money on the table.
--- couldn’t (can’t) have done （ ）
* He couldn’t have come; nobody saw him at the meeting.
表虚拟的情态动词
--- should have done （ ）
= ought to have done
--- shouldn’t have done（ ）
= ought not to have done
--- needn’t have done （ ）
--- could have done （ ）
--- might have done （ ）
比较：
* He might have left yesterday, nobody saw him this morning.
* He might have left yesterday, but his mother was ill.
易错点
must have done ( )
may have done ( )
can’t/ couldn’t have done ( )
might have done ( )
could have done ( )
Ex.
- You ought to _______ about it earlier.
- tell him B. have told him C. talk to him D. discuss with him
- He left yesterday, so he _____ in Beijing.
- may arrive B. may have arrived C. must arrive D. arrived
- --- Why is Jenny still standing there? It’s so cold. --- She _____ for someone.
- can wait B. might have waited C. must be waiting D. should have waited
4--- Where ______ Margaret have put the empty bottles? --- She ______ have thrown them away. They must be somewhere in this room.
A. can; can’t B. must; needn’t C. might; must D. could; could
5. --- ______ the plane have taken off on time? --- I’m afraid not. The fog was too thick here. A. Need B. Should C. Can D. Must
6. --- There were already five people in the car but they managed to take us as well. --- It _______ a comfortable journey.
A. can’t be B. shouldn’t be C. mustn’t have been D. couldn’t have been
7. --- I stayed at a hotel while in New York. --- Oh, did you? You ____ with Barbara.
A. could have stayed B. could stay C. would stay D. must have stayed
8. Sorry I’m late. I______ have turned off the alarm clock and gone back to sleep again.
A. might B. should C. can D. needn’t
9. He paid for a seat, when he ____ have entered free.
A. could B. should C. must D. need
10. --- We didn’t see him at the meeting. --- He ______ it.
A. cannot have attended B. needn’t have attended C. shouldn’t have attended D. must have attended
11. From what I learn about the hotel, the service and the weather, they ______ have enjoyed their holiday very much. They were so sad.
A. might B. shouldn’t C. needn’t D. can’t
12. The line was busy; someone ____ the telephone all the time.
A. must use B. must be using C. must have been using D. should have used
13. --- Many people in England love to give advice on weather reporting. ---Yes, but I think the weather office’s computers _____ be more accurate.
A. can B. must C. should D. might
14. Research findings show we spend about two hours dreaming every night, no matter what you ___ have done during the day.
A. should B. could C. may D. must
