虚拟语气的用法(38张)课件

1、虚拟语气虚拟语气ObjectivesTo learn to identify an unreal conditional in a sentenceTo learn the forms of unreal conditionalsTo learn when to use the unreal conditionalsTo learn how to use the unreal conditionalsObjectivesTo learn to identify语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语言规则

2、和语法规律。语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让Unreal conditionals虚拟语气And you probably much sleep if you near where a wedding reception was being held.如果你住的地方离婚礼现场不远，你很可能睡不好。wouldnt getlivedUnreal conditionalsAnd you proUnreal conditionalsRead the points and examples on Pages 40-41 carefully to get a general i

3、dea of unreal conditionals. Please pay attention to the following notes.Unreal conditionalsRead the po英语中的语气分为陈述语气、祈使语气、虚拟语气三类。虚拟语气用来表示说话人的主观愿望或假想，而不表示客观存在的事实，所说的是一个条件，不一定是事实，或与事实相反。虚拟语气通过谓语动词的特殊形式来表示。英语中的语气分为陈述语气、祈使语气、虚拟语气三类。虚拟语气用If I knew his telephone number, I would tell you. (事实上我不知道)2)If I wer

4、e you, I would take an umbrella. (事实上我不可能是你)3)If there were no air or water, there would be no living things on the earth. (事实上地球上即有空气又有水)我们用虚拟语气陈述现在不真实或想象的情景。NotesIf I knew his telephone numberWe form unreal present conditionals like this:If was/were/did , should /would/could/might do 假如现在我有更多的时间，我

5、就会学习德语。 If I had more time now, I would study German.2. 要是我象你一样年轻，我就会找时间锻炼。If I were/was young as you, I would find time to exercise. We form unreal present conditi1) would, could and might are often interchangeable(可互换的), but with some difference in meaning.would intention; plancould ability; possi

6、bilitymight probability2) In written English or in formal situation, we usually use were in If-clauses in place of was. However, in everyday conversation, was is often used.TIP1) would, could and might are 1)If I had got there earlier, I should/could have met her. (事实上我去晚了)2)If he had taken my advic

7、e, he would not have made such a mistake. (事实上没有听)我们用虚拟语气表示想象中发生在过去的动作。Notes3)If you had rung me yesterday, I would have told you what we were going to do yesterday evening. (事实上没有打电话)1)If I had got there earlier, We form unreal past conditionals like this:If had been/done , would/should/could/might

8、 have done 1) 如果他抓紧时间，他本来能赶上那趟火车。 If he had hurried, he could have caught the train.2) 如果你昨天告诉他，他也许会提些建议了。 If you had told him yesterday, he might have made some suggestions.We form unreal past conditiona1) If I had time tomorrow, I would certainly help you.2) If I were to fail my Maths test, I woul

9、d have to take it again at the end of the term.3) If he should come tomorrow, I would talk to him about it.我们用虚拟语气表示想象中发生在将来的情景。Notes4) If there were a heavy snow next Sunday, we would not go skating.1) If I had time tomorrow, I wWe form unreal future conditionals like this:If was/were/did/should/we

10、re to , should/would/could/might do 1) 假如我要出国，我就会去法国。 If I were to go abroad, I would go to France.2) 万一明天下雨，我们的郊游就推迟。 If it should rain tomorrow, our picnic would be put off.We form unreal future conditioWe can also put should, were and had at the beginning of an unreal conditional sentence. In thi

11、s case, if is not needed any more. If you should make a mistake, you should not be embarrassed. Should you make a mistake, you should not be embarrassed.TIPWe can also put should, were a2) If you had told me earlier, I would not have this problem now. Had you told me earlier, I would not have this p

12、roblem now.3) If you were to take the train, you would be there much sooner. Were you to take the train, you would be there much sooner. 2) If you had told me earlier,TIPWe can also use could + the present perfect in if clauses for unreal conditionals.If I could have told you about cultural differen

13、ces between Italy and the UK, I would have.TIPWe can also use could + the1)从句的动作与过去事实相反，而主句 的动作与现在或现在正在发生的事实 不符。 2)从句的动作与现在事实相反，而主句 的动作与过去事实不符。有时，虚拟条件句中，结果主句和条件从句的谓语动作若不是同时发生时，虚拟语气的形式应作相应的调整。1)从句的动作与过去事实相反，而主句有时，虚拟条件句中，结果Eg.If I had worked hard at school, I would be an engineer, too. 如果我在学校学习刻苦的话，我现

14、在也会成为一个工程师了。If they had informed us, we would not come here now. 如果他们通知过我们的话，我们现在就不会来这里了。Eg.Eg.If he were free today, we would have sent him to Beijing. 如果他今天有空的话，我们会已经派他去北京了。 If he knew her, he would have greeted her. 要是他认识她的话，他肯定会去问候她了。 Eg.Reflection timeFill in the table.Ifwas/were/didwould/shoul

15、d/could/might doIfhad/been/donewould/should/couldmight have doneIfwas/were/did/were to/should dowould/should/could/might doReflection timeFill in the tab请点击请点击2011高考链接 I _through that bitter period without your generous help. (陕西) A. couldnt have gone B. didnt go C. wouldnt go D. hadnt gone2. They _

16、 have arrived at lunchtime but their flight was delayed. (全国) A. will B. can C. must D. should2011高考链接 I _through that b3. Where are the children? The dinners going to be completely ruined. I wish they _ always late. (北京) A. werent B. hadnt been C. wouldnt be D. wouldnt have been 4. Maybe if I _ sci

17、ence, and not literature then, I would be able to give you more help. (北京) A. studied B. would study C. had studied D. was studying3. Where are the children? T Everything _ if Albert hadnt called the fire brigade (消防队). will be destroyed B. will have been destroyed C. would be destroyed D. would hav

18、e been destroyed Quiz I: Multiple choice. Everything _ if Albert ha2. The business is risky. But _, we would be rich. A. should we succeed B. we should succeed C. might we succeed D. would we succeed2. The business is risky. But 3. What would have happened, _, as far as the river bank?A. Bob had wal

19、ked farther B. if Bob should walk farther C. had Bob walked farther D. if Bob walked farther3. What would have happened, _4. I _ you some money, but I hadnt got any on me then.A. would lend B. would have lent C. could lend D. may have lent5. _ today, he would get there by Friday. A. Was he leaving B

20、. If he leaves C. Were he to leave D. If he is leaving4. I _ you some money, but6. Supposing this ship _, do you think there would be enough life jackets for all the passengers? were to sink B. has sunk C. was sinking D. sunk7. I dont think hell attend the party, and _ he attend it, what would he we

21、ar?A. were B. had C. did D. should 6. Supposing this ship _, d8. You can ask your brother for help. He isnt at home. If he _, I _. were, would B. is, would C. is, will D. were, will9. Are you thinking about going to Hangzhou for the vacation? No, but if I _ time, I _ very glad to go there.A. have, w

22、ill be B. had had, would have been C. had, would be D. had had, would be8. You can ask your brother 10. Sally finally got here from Chicago. If she _ earlier, we _ her to the party then. came, would take B. had come, would have taken C. comes, will take D. had come, would take10. Sally finally got h

23、ere f1. 要是你准备功课再仔细一点的话,你就能通过考试了。 If you had prepared your lessons more carefully, you could have passed the exam.2. 要是那场飓风发生在晚上的话,将会有更多的人死亡。 If that hurricane had happened at night, there would have been more deaths.Quiz II: Translation. 1. 要是你准备功课再仔细一点的话,你就能通过考试了。 Qu3.It is essential that _ _ (每个人都

24、为紧 急情况做好准备).4._ _ (如果他按照我告诉他的办法订票), we would have had quite a comfortable journey.5.I might have made the speech _ _ (要不是有人把我的话 打断了). everyone (should) be prepared for emergencyIf he had booked tickets in the way I told him if I had not been interrupted3.It is essential that _ You didnt let me drive

25、. If we _ (drive) in turn, you _ (not get) so tired.2. _ it _(not be) for your help, I couldnt have made any progress.had drivenwouldnt have gotHadnot beenQuiz III: Fill in the blanks with the verbs given in the brackets in their proper forms. You didnt let me drive. If w3. Has Mr Smith recovered now? Yes. Who _ (think) that such a serious