2015届高中英语复习--虚拟语气精讲课件

课件17张PPT。Subjunctive Mood虚 拟 语 气Grammar revision1.英语动词有三种语气， 陈述语气，祈使语气和虚拟语气.
2. 定义：表示说的话不是事实，而是一种愿望或建议，这种假设的语气叫虚拟语气。虚拟语气定义本节课教学任务
1、一般条件句中(if引导）虚拟语 气的用法；
2、条件句中虚拟语气的倒装；
3、错综条件虚拟语气；
4、名词性从句中虚拟语气的用法一、一般条件句中的虚拟语气
1. If I had HIV, I would know because I would feel sick.
2. If I were you, I would give AIDS patient a hug.
3. If I had taken your advice, I wouldn’t have made a mistake.
4. If he had been there, it wouldn’t have happened.与现在事实不相符与过去事实不相符5. If it should rain tomorrow, they wouldn’t go for an outing.
6. I think we could do it, if we planned it properly and could borrow the tools.
7. If we were to have three days off , we would enjoy a very happy life.
与将来事实不相符If I were you, I ____ buy the house right now.
A. won’t B. don’t C. wouldn’t D. can’t
2. _____more careful, his ship would not have
sunk.
A. If the captain were
B. If the captain had been
C. Should the captain be
D. If the captain would have been
3. If he ____ me tomorrow,I would let him know.
A. should call B. should not have been able
C. were not able D. are not able BCAPractice I: Multiple choice二、条件句中虚拟语气的倒装
假设条件虚拟倒装: 条件从句中含有should，
were， had 三个助动词时，可以把if省略，并将这三个助动词置于句首。
If I were you, I would give it up.
Were I you, I would give it up.
If I had taken your advice, I would have succeeded.
Had I taken your advice, I would have succeeded.
If there should be a flood, what should we do?
_____________a flood, what should we do?Shoul there bePractice II: Rewrite sentences & Multiple choice4.If I were you, I would take an umbrella._________________，I would take an umbrella.5.If Tom had taken my advice, he wouldn’t
have made such a mistake.________________________________________，he wouldn’t
have made such a mistake.6. If he should come here tomorrow, I
might/would talk to him.____________________________________________ ，I might/would
talk to him.Were I youHad Tom taken my advice Should he come here tomorrow7. _______ I be free tomorrow, I could go with you.
A. Could??????? B. Should??????? C. Might??????????? D. Must8. _______ today, he would get there by Friday.
A. Would he leave?? B. Was he leaving?
C. Were he to leave??? D. If he leave9. Should it rain, the crops ________ .
A. would be saved????? B. would have been saved?
C. will be saved?? D. had been saved10. _______ your letter, I would have written back
two days ago.
A. If I received????? B. Should I receive?
C. Had I received?? D. If I could have receivedBCAC三、 错综条件虚拟语气 由if条件句所引导的含有虚拟语气的句子中，条件从句谓语动词虚拟发生的时间与主句的谓语动词虚拟发生的时间不一致，叫做错综条件虚拟语气。此时主句和从句的谓语动词要依照各自虚拟的时间而定。
If the weather had been finer, the crops would be growing still better.
If you had followed the teacher’s advice, you wouldn’t be in the hospital now.11. If you ___ him yesterday, you __ what to do now.
A.asked … would know B. asked him … know
C.had asked … would have known
D. had asked … would know
12.If we ____ the car by turn, you___ so tired now.
A. drove… wouldn’t be B. had driven… wouldn’t be
C. were to drive… were D. drove… had been
13. ____ you ___ hard three years ago, you ___ in Peking University now.
A. Had, studied, would be studying
B. Did, study, would study C. were, to study, study
D. Had, studied, study DBAPractice III: 四. 名词性从句的虚拟语气
主要是表示命令、要求、建议的虚拟语气。宾语从句。常见动词：
一坚持：insist 二命令：order, command
五建议：advise, suggest, propose，advocate, recommend
六要求：demand , require, request，desire,urge,ask 这些动词后面的宾语从句要使用虚拟语气用法。即从句中的动词 使用should do或should be done，should可省略。 2、以上动词相应的名词构成的名词性从句（包括主语从句，表语从句和同位语从句）也要使用虚拟语气。从句中的动词形式一样，即：should
insistence, command, order, advice, suggestion, proposal, demand, request, desire, requirementMy demand is that she should come to see me once a week.
All of us are for the advice that the chemical factory should be closed down.
It’s suggested/demanded/requested/insisted
/ordered that the plan be carried out.14.The teacher demanded that the work ___ before 4 o’clock.
A. finished B. be finished C. should finish D. finish
15. --- What did the doctor say about your mother’s illness?
--- He suggested that she _____ an operation at once.
A. must have B. had C. have D. had hadBC16. The young man insisted that he ______ nothing wrong
and _______ free.
A. did; set???????? B. had done; should be set
C. should do; be set???????????????D. had done; must be set17. The old professor gave orders that the experiment
____before 6. A. was finished? ? B. will finish?
?C. be finished??? ? D. shall be finishedBCPractice IV: Multiple choice18. His silence at the meeting suggested that he ________ to your plan.
A. didn’t agree?? B. hadn’t agreed?
C. wouldn’t agree??? D. not agree
19. The situation required that China __________ its door to the outside world.
A. must open????? B should open?????
C. have to open??? D. has to open
20.It’s suggested that you _____ once more.
A. try B. tries C. must try D. can try
ABAFinish the exercises on the paper.Summary and homework