英语复习北师大版《虚拟语气》(共35张PPT)

课件35张PPT。The Subjunctive Mood （虚拟语气） 1.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：用来表示说的话不是事实，或者是不可能发生或可能性比较小的情况，而是一种愿望，建议，假设的语气叫虚拟语气。一、虚拟语气定义二、虚拟语气的考点 1、一般条件句中虚拟语气的用法； 2、条件句中虚拟语气的倒装； 3、名词性从句中虚拟语气的用法； 4、几种特殊结构中虚拟语气用法； 5、虚拟语气与陈述语气的判定。 had donewould/should/could/might have done did (be 用were)would/should/could/might do 1) did 2)should+do 3) were to+动原 would /should/could/might do 1、一般条件句中虚拟语气的用法If there were no air, the sky would be black. If I got the information, I would let you know. 2. If we had got enough money, we would have bought it. 3. If you should fall, you would be injured. If it were to rain, we would not go there. If it rained tomorrow, I would stay at home presentpastfuture# Exercises 1. If I __ more time, I would have gone with him. had B. had had C. have had D. would have B2. If I __you, I wouldn’t return the call. A. be B. am C. was D. were D( past)( present)a. If they ____ (be) here now, they _____ (take) your advice. b. If the world-war _____ (break) out again, what _____ (happen) to our people on earth?werewould takebrokewould happenPRACTICE 1: Fill in the blanks.a. If Tom _____ (be) more careful in the exam, he _____ (pass) it already. b. If you _____ (get) up earlier yesterday, you _____ (catch) the first train.had beenwould have passedhad gotwould have caughtPRACTICE 2: Fill in the blanks.If he _____(drive) more carefully, he _____ (not have)the car accident yesterday.had driven would not have had a. If there _____ (be) no natural resource in the future, we _____ (make) use of nuclear power . b. What _____ (happen) if you _____ (get up) too late tomorrow?should bewould makewould happenshould get upPRACTICE 3: Fill in the blanks虚拟语气假设条件句型注意点： 假设条件从句谓语动词发生的时间与主句所假设的谓语动词不一致，叫做错综条件虚拟语气或混合条件句。主句和从句的谓语动词要依照假设的时间而定。 If you had asked him yesterday, you would know what to do now. 从句与过去事实相反, 主句与现在事实相反 If the staff _____(be) more careful, the mall _____(not be) on fire now.had beenwould not beIf I had seen the movie, I___ you all about it now. A. would tell B. will tell C. have told D. would have toldA2、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 三个助动词并且放在句首时，可以把if省略。 If I were you, I would give it up. Were I you, I would give it up. If I had had time, I would have run round that lake again. Had I had time, I would have run round that lake again. If there should be a flood, what should we do? a flood, what should we do?Should there be1.If you were handsome, I would marry you. 2.If he should come tomorrow, I would give it to him. 3. If it were to snow, I would not go . 4. If he had come yesterday, you would have seen him. Should he come tomorrow, I would give it to him.=Were you handsome, I would marry ... ...