高三英语一轮复习 虚拟语气课件

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Today we buried our 20-year-old son. He was killed instantly in a motorcycle accident yesterday. How I wish I had known when I talked to him last that it would be the last time. If I had only known,I would have said, Jim, I love you and Im so very proud of you. Read the following essay and payspecial attention to the sentences in red.(你能说出它们的语法结构吗?) Subjunctive mood (虚拟语气)高三英语第一轮语法复习 Unreal conditionals with “if clause” 虚拟语气在条件从句中的用法 What would/could you do if you were a superman? If I were a superman, I would/could If I were a superman,I could protect people who are in danger.Look and learn: If I got much money, I might/should What might/should you do if you got much money?If I got much money, I should donate some to people suffering the earthquake. What would/could you do if you lived on the moon? If I lived on the moon, Iwould/could/might/ shouldIf I lived on the moon, I might see the beautyChange. If I were a superman, I could protect people who are in danger. If I lived on the moon, I might see the beautyChange. If I got much money, I should donate some to people suffering the earthquake.Find out the rules 条件从句主句 did/were (be动 词一般用were,非正式情况可用was)would (could, might ,should) + do总结1. Opposite to the present truth 与现在事实相反时,主、从句谓语构成 would intention; plan; expected result (意图;计划;必然结果)could ability; possibility (能够;可能性)might possibility (可能性)should suggestion (建议)TIP Translation:1 如果我是你,我可能会告诉他真相。 If I _ you, I _him the truth.2 要是我哥哥在这儿,一切都会很顺利的. If my brother _ here, everything _ all right.were might tellwerewould bePractice: 要是我哥哥昨天在这儿,一切都会很顺利的. If my brother _ here yesterday, everything _ all right.had beenwould have been比较一下发现什么不同了吗?1.If my brother were here, everything would be all right.2.If my brother had been here yesterday, everything would have been all right. If the robber hadnt attacked Mr. Yu, he wouldnt have been killed. If the brave old man hadnt helped the lady, he couldnt have been injured.Look and learn: If they hadnt committed a crime, they wouldnt have been caught by the police. Find out the structure If my brother had been here yesterday , everything would have been all right.If the brave old man hadnt helped the lady, he couldnt have been injured. If they hadnt committed a crime, they wouldnt have been caught by the police. 条件从句主句 had done would (should, could, might ) + have done总结2. Opposite to the past truth 与过去事实相反时,主、从句谓语构成 Practice:1.If Tom _ (be) more careful in the exam, he _ (pass) it already. 2.If you _(get) up earlier, you _ (catch) the first train. 3.If I _ (meet) you yesterday, we _ (go) to the concert together. had been would have passedhad gotmight have caughthad met could have gone :Would you please help me move house tomorrow?:Id like to, but I have a meeting tomorrow. If I got time tomorrow, I would certainly help you.:Thats all right. Thank you all the same.Read and learn: If it should be the Spring Festival tomorrow, I might get some pocket money. If I were to have free time this Friday, I would go to the party. However, Ill attend a meeting that day. What a pity! If I got time tomorrow, I would certainly help you. If I were to have free time this Friday, I would go to the party. If it should be the Spring Festival tomorrow, I might get some pocket money.Summarize the structure 条件从句主句过去式 (were/did)should + do were to do would (might, could, should) + do总结3. Opposite to the future truth 与将来事实相反时,主、从句谓语构成 如果明天下雨,运动会将会被推迟。If it _tomorrow, the sports meeting _ put off.=If it _tomorrow, the sports meet _ put off.举一反三 Have a try!注意以下几方面 : 1.虚拟语气在非真实条件从句中的倒装情况 (Inverted structures of them) 1._ to do the work, I should do it some other day.A. If were I B. I were C. Were I D. Was I2. _ it rain tomorrow, we would have to put off the visit to the park.A. Were B. Should C. Would D. Will 3. _ for the doctors careful treatment, he _till last year. A. If it is not, cant live B. Were it not, couldnt liveC. If it hadnt been, couldnt have lived D. Had it not been, couldnt have lived E. If they were not, couldnt live if it is not for(=but for/without) 要不是 在If引导的非真实条件句中 总结should, were 和 had 可以放在句首,这种情况下,if省略. 如果had是实义动词,表示“有”时,则不可以移到句首。正:If we had time to spare, we would go to see a film.误:Had we time to spare, we would go to see a film. Tip 2.含 蓄 条 件 句 在含蓄性条件句中,可以用otherwise或or;with, without, but for 等介词短语代替条件句相当于 if it is not for “要不是”But for the rain, the crops would have died. (= If _)Without the teachers help, he couldnt have made such great progress in English.(= If _) it hadnt been for the rainit hadnt been for the teachers help, If you had gone to bed earlier last night,you wouldnt be sleepy now. 错综时间(mixed time)条件句或混合虚拟语气 如果你刚才向右转,你现在就不会有麻烦了。 If you _ _ _(turn right) just now, you _ (be) in trouble now.had turned rightwouldnt be 3.错综条件句 1.Without your help, we _ such rapid progress.A.couldnt make B. wouldnt makeC. will not have made D. wouldnt have made2.But for the(If there were no) help from the UN,those women _able to set up their shop.A.would not have been B.would not beC.Could not be D.will not be 3.I am busy now,otherwise /or (If I were not so busy)I_you do the work.A.Will help B.would help C.would have helped D.could have help4.If you had listened to the talk about the UN yesterday,you_the answer to the question now.A.would know B.would have knownC.will have known D.might have known5.If I were you ,I _my holiday in France.A.would spend B.will spend C would have spent D.could have spent Unreal conditionals with “if”虚拟语气在条件从句中的结构归纳总结Consolidation(巩固): If sb.,( 条 件 句 ) sb. . ( 主句)Present(现在)Past(过去)Future (将来) did/wereA.had done would/could/should/might doD.would/could/should/might have doneB. did/wereshould dowere to do C.would/could/should/might doOpposite to 1.(2011.北 京 高 考)Maybe if I _ science, and not literature then, I would be able to give you more help now. A. studied B. would study C. had studied D. was studying Consolidation(巩固):高 考 链 接 2. (2012.湖南高考)Sorry, I am too busy now. If I _ time, I would certainly go for an outing with you. A. have had B. had had C. have D. had 3. (2012.浙江高考)Had they known what was coming next, they _ second thoughts. A. may have B. could have C. must have had D. might have had 4. (2012.福建高考)We lost our way in that small village, otherwise we_ more places of interest yesterday. A. visited B. had visited C. would visit D. would have visited 5. (2010.北京高考)-The weather has been very hot and dry. Yes. If it had rained even a drop, things would be much better now! And my vegetables _. A. would die B. didnt die C. hadnt died D. wouldnt have died Finish offexercises on the paper(课中练习) Homework: Exercises on the paper
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