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2018届二轮复习语法虚拟语气课件(28张)
Subjunctive mood ( 虚拟语气) Unreal conditionals with “if” 1. If 引导的虚拟条件从句中的结构 Consolidation( 巩固) : If sb ….,( 条件句 ) sb. … . ( 主句 ) Present ( 现在 ) Past ( 过去 ) Future ( 将来 ) did/were A.had done would/could/should/ might do D.would/could/should/might have done B. did/were should do were to do C.would/could/should/ might do Opposite to … 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 passed had got might have caught had met could have gone Practice: Have a try! 2. If 引导的虚拟条件句的省略倒装: ( Inverted structures of them) 1._____ to do the work, I should do it some other day.A. If were I B. I were C. If I were D. Was I E. Were I If I were to do the work, I should do it some other day. = Were I to do the work, I should do it some other day. 2. ___ it rain tomorrow, we would have to put off the visit to the park. A. Were B. Should C. Would D. Will =If it should rain tomorrow, we would have to put off the visit to the park. Should it rain tomorrow, we would have to put off the visit to the park. 3. _____ for the doctor’s careful treatment, he ________till last year. A. If it is not, can’t live B. Were it not, couldn’t live C. If it hadn’t been, couldn’t have lived D. Had it not been, couldn’t have lived E. If they were not, couldn’t live If it hadn’t been for the doctor’s careful treatment, he couldn’t have lived till last year. = Had it not been for the doctor’s careful treatment, he couldn’t have lived till last year 在 If 引导的虚拟条件句中 总结 should, were 和 had 可以放在句首,这种情况下, if 必须省略 . If you had gone to bed earlier last night , you wouldn’t 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 ______________ (not be) in trouble now. had turned right wouldn’t be in 3. If 引导的混合虚拟语气中: It’s hard to image what I would be doing today if I _____ in love at the age of seven , with the Melinda Cox Library in my hometown. wouldn’t have fallen had not fallen should fall were to fall 一 . 含蓄条件句: 有时假设的情况并不用 if 条件从句表示,而使用如 : but for( 要不是 ), without, with , or , otherwise 等 一些介词短语,分词结构来代替 if 条件句 , 这时剩下的主句要用虚拟语气。 虚拟语气 其他形式: a) 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 teacher’s help , he couldn’t have made such great progress in English. (= If ____________________________) it hadn’t been for the rain it hadn’t been for the teacher’s help, b). otherwise, but, or 常把真实情况和虚拟语气混合 (重、难点) 1. I was ill that day . Otherwise , I __________________( take) part in the sports meeting. (副词) 2. I would have taken part in the sports meeting , but I _____(be) ill that day. (连词) 3. He telephoned to inform me of your birthday , or I __________________nothing about it. (连词) would have taken was would have known I _______________(give) you more help, but I was too busy. (连词) c) Given more time , we could have done it better. ( 分词短语 ) = If___________________________ we had been given more time, might have given 1.Without your help, we ____ such rapid progress. couldn’t make B. wouldn’t make C. will not have made D. wouldn’t have made 2.I could have called you for help, but I ____ your number. A. couldn’t have remembered B. didn’t remember C. should have remembered D. hadn’t remembered 二 . 虚拟语气的其他形式: 1. I wish I hadn’t made such a mistake.(过去) 2. If only I hadn’t missed the train ! 3. She talked about the film as if she had really seen it . A. wish/ifonly / as if (though)/ even though 现在: 过去: 未来: did (were) had done would /could do B . would rather that 现在: 未来: 过去: I would rather you came tomorrow instead of today . I would rather you had come yesterday. did did had done I will not go there even if I ____________(give) the chance to . He talks as if he ________________(be) to America. If only night ________(be) day. If only I _____________(see) my favorite star yesterday. were given had been to were had seen 5. I wish I ______ to the moon. A. fly B. would fly C. could fly 2. 由 should +do, 构成的虚拟语气: a .在由 一个 坚持 ( insist ) , 两个 命令 ( order, command ) , 四条 建议 ( advise, suggest, propose , recommend ) , 四项 要求 ( demand, require, request, ask ) 等词 引导的名词性从句中, should 可省 b. 在“ It is important/vital (strange, natural, necessary/compulsory) that…” 这类句型中 表示某事是 “重要”,“奇怪”,“自然”,“必要”等意义时 . c. “for fear that /in case+ 主语 + should + 动词原形”。 I will not make a noise for fear that I should disturb you. 1. It was ordered that no smoking ____ in the library. A. should allow B. be allowed C. will be allowed D. is allowed 2. 很奇怪你竟然对你父母如此粗鲁! It is strange that you should be so rude to your parents. 3. _____ be sent to work there? Who do you suggest Who do you suggest that should Do you suggest who should Do you suggest whom 4. He’s working hard for fear that he ___. A. should fall behind B. fell behind C. may fall behind D. would fallen behind 1. 用 “ may+ 动词原形”表示 “ 祝愿,但愿 ”,此时 may 须置于句首(多用于正式文体中) 如: May you succeed! 祝你成功 ! 2. It is ( high/about ) time that 主语 + 虚拟语气( should + v 原形 / 过去式) 3. 虚拟语气的特例: 2. It’s high time that I __________ (go) home. 1. Her friends said to her, “______ you _______ happy forever.” wish, do B. May, be C. Hope, be D. Can, do went Should go Thank you! Homework: 1. Exercises on the paper( 课后巩固练习 ) 2. Exercises (p334-335 “3+2” )查看更多