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1、虚拟语气虚拟语气To 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 conditionalsUnreal conditionals虚拟语气虚拟语气And you probably much sleep if you near where a wedding reception was being held.
2、如果你住的地方离婚礼现场不远，你如果你住的地方离婚礼现场不远，你很可能睡不好。很可能睡不好。wouldnt getlivedUnreal conditionalsRead the points and examples on Pages 40-41 carefully to get a general idea of unreal conditionals. Please pay attention to the following notes.英语中的语气分为陈述语气、祈使英语中的语气分为陈述语气、祈使语气、语气、虚拟语气虚拟语气三类。虚拟语气用三类。虚拟语气用来表示说话人的来表示说话人的主
3、观愿望或假想主观愿望或假想，而不表示客观存在的事实，所说的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事实相反。虚拟语气通过谓语动词的特殊形式来表示。的特殊形式来表示。1)If I knew his telephone number, I would tell you. (事实上我不知道事实上我不知道)2)If I were you, I would take an umbrella. (事实上我不可能是你事实上我不可能是你)3)If there were no air or water, there would be
4、 no living things on the earth. (事实上地球上即有空气又有水事实上地球上即有空气又有水)我们用虚拟语气陈述我们用虚拟语气陈述现在现在不真实或想象的情景。不真实或想象的情景。NotesWe form unreal present conditionals like this:If was/were/did , should /would/could/might do 1. 假如现在我有更多的时间，我就会学习德语。假如现在我有更多的时间，我就会学习德语。 If I had more time now, I would study German.2. 要是我象你一样年
5、轻，我就会找时间锻炼。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. 1) would, could and might are often interchangeable(可互换的可互换的), but with some difference in meaning.would intention; plancould ability; possibilitymight probability2) In written English or in formal situation, we
6、 usually use were in If-clauses in place of was. However, in everyday conversation, was is often used.TIP1)If I had got there earlier, I should/could have met her. (事实上我去晚了事实上我去晚了)2)If he had taken my advice, he would not have made such a mistake. (事实上没有听事实上没有听)我们用虚拟语气表示想象中发生在我们用虚拟语气表示想象中发生在过去过去的动作。
7、的动作。Notes3)If you had rung me yesterday, I would have told you what we were going to do yesterday evening. (事实上没有打电话事实上没有打电话)We form unreal past conditionals like this:If had been/done , would/should/could/might have done 1) 如果他抓紧时间，他本来能赶上那趟火车。如果他抓紧时间，他本来能赶上那趟火车。 If he had hurried, he could have cau
8、ght the train.2) 如果你昨天告诉他，他也许会提些建议了。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.1) If I had time tomorrow, I would certainly help you.2) If I were to fail my Maths test, I would have to take it again at the end of the term.3) If he should come tomorrow, I w
9、ould talk to him about it.我们用虚拟语气表示想象中发生在我们用虚拟语气表示想象中发生在将来将来的情景。的情景。Notes4) If there were a heavy snow next Sunday, we would not go skating.We form unreal future conditionals like this:If was/were/did/should/were to , should/would/could/might do 1) 假如我要出国，我就会去法国。假如我要出国，我就会去法国。 If I were to go abroad
10、, I would go to France.2) 万一明天下雨，我们的郊游就推迟。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 can also put should, were and had at the beginning of an unreal conditional sentence. In this case, if is not needed any more.1) If you should make a mistake, you should not be embar
11、rassed. Should you make a mistake, you should not be embarrassed.TIP2) If you had told me earlier, I would not have this problem now. Had you told me earlier, I would not have this problem now.3) If you were to take the train, you would be there much sooner. Were you to take the train, you would be
12、there much sooner. TIPWe can also use could + the present perfect in if clauses for unreal conditionals.If I could have told you about cultural differences between Italy and the UK, I would have.1)从句的动作与过去事实相反，而主句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的动作与现在或现在正在发生的事实 不符。不符。 2)从句的动作与现在事实相反，而主句从句的动作与现在事实相反
13、，而主句 的动作与过去事实不符。的动作与过去事实不符。有时，有时，虚拟条件句虚拟条件句中，结果主中，结果主句和条件从句的谓语动作若不句和条件从句的谓语动作若不是同时发生时，虚拟语气的形是同时发生时，虚拟语气的形式应作相应的调整。式应作相应的调整。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，我现在如果我在学校学习刻苦的话，我现在也会成为一个工程师了。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
14、过我们的话，我们现在如果他们通知过我们的话，我们现在就不会来这里了。就不会来这里了。Eg.If he were free today, we would have sent him to Beijing. 如果他今天有空的话，我们会已经派他如果他今天有空的话，我们会已经派他去北京了。去北京了。 If he knew her, he would have greeted her. 要是他认识她的话，他肯定会去问候她要是他认识她的话，他肯定会去问候她了。了。 Reflection timeFill in the table.TenseIf-clausesMain clausesPresent Pa
15、stFutureIfwas/were/didwould/should/could/might doIfhad/been/donewould/should/couldmight have doneIfwas/were/did/were to/should dowould/should/could/might do请点击请点击1. I _through that bitter period without your generous help. (陕西陕西) A. couldnt have gone B. didnt go C. wouldnt go D. hadnt gone2. They _
16、have arrived at lunchtime but their flight was delayed. (全国全国) A. will B. can C. must D. should3. Where are the children? The dinners going to be completely ruined. I wish they _ always late. (北京北京) A. werent B. hadnt been C. wouldnt be D. wouldnt have been 4. Maybe if I _ science, and not literatur
17、e then, I would be able to give you more help. (北京北京) A. studied B. would study C. had studied D. was studying1. Everything _ if Albert hadnt called the fire brigade (消防队消防队).A. will be destroyed B. will have been destroyed C. would be destroyed D. would have been destroyed Quiz I: Multiple choice.
18、2. The business is risky. But _, we would be rich. A. should we succeed B. we should succeed C. might we succeed D. would we succeed3. What would have happened, _, as far as the river bank?A. Bob had walked farther B. if Bob should walk farther C. had Bob walked farther D. if Bob walked farther4. I
19、_ 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. If he leaves C. Were he to leave D. If he is leaving6. Supposing this ship _, do you think there would be enough life jackets
20、 for all the passengers? A. 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 wear?A. were B. had C. did D. should 8. You can ask your brother for help. He isnt at home. If he _, I _.A. were, would B. is, would C. is, will D. were
21、, will9. Are you thinking about going to Hangzhou for the vacation? No, but if I _ time, I _ very glad to go there.A. have, will be B. had had, would have been C. had, would be D. had had, would be10. Sally finally got here from Chicago. If she _ earlier, we _ her to the party then.A. came, would ta
22、ke B. had come, would have taken C. comes, will take D. had come, would take1. 要是你准备功课再仔细一点的话要是你准备功课再仔细一点的话,你就能你就能通过考试了。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要是那场飓风发生在晚上的话,将会有更将会有更多的人死亡。多的人死亡。 If that hurricane had happened at night, t
23、here would have been more deaths.Quiz II: Translation. 3.It is essential that _ _ (每个人都为紧每个人都为紧 急情况做好准备急情况做好准备).4._ _ (如果他按照我告诉他的办法订票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要不是有人把我的话 打断了打断了). everyone (should) be prepared for emerge
24、ncyIf he had booked tickets in the way I told him if I had not been interrupted1. You didnt let me drive. 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 ver
25、bs given in the brackets in their proper forms. 3. Has Mr Smith recovered now? Yes. Who _ (think) that such a serious illness could be cured?4. _ it _ (rain) tomorrow, the match would be called off.would have thoughtWere / Shouldto rain / rain5. Most of the students felt rather disappointed at the E
26、nglish party. They said that it _ _ (organize) better.6. Jean doesnt want to work right away because she thinks that if she _ (get) a job, she probably wouldnt be able to see her friends very often.could have been/ should get / gotwere to getorganized7. Much labour would have been saved if electronic computer _ (invent) before.8. Well done, Jack！ Thanks. But given more time, I _ (do) it better.had been inventedcould / would / might have doneMagic LanternMagic BrushTime MachineDiscussion:What would you do if you had a ?
