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高考英语二轮专题复习课件-虚拟语气经典讲解.ppt

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1、,虚拟语气讲解 课件,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。,1. If I had HIV, I would know because I would feel sick. 2. If I were you, I would give AIDS patient

2、 a hug.3. If I had taken your advice, I wouldnt have made a mistake. 4. If he had been there, it wouldnt have happened.,与现在事实相反,与过去事实相反,5. If it should rain tomorrow, they wouldnt go for an outing. 6. I think we could do it, if we planned it properly and could borrow the tools. 7. If we were to have

3、 three days off , we would enjoy a very happy life.,与未来事实相反,If I were you, I _ buy the house right now.A. wont B. dont C. wouldnt D. cant 2. _more careful, his ship would not have sunk. A. If the captain were B. If the captain had been C. Should the captain be D. If the captain would have been 3. If

4、 he _ me tomorrow, I would let himknow A. should call B. should not have been able C. were not able D. are not able,B,C,A,2、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 roun

5、d 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?,Shoul there be,3. 名词性从句的虚拟语气。 主要是表示命令、要求、建议的虚拟语气。,宾语从句。常见动词: 一个坚持:insist 两个命令:order, command 三个建议:advise, suggest, propose 五个要求:demand , require, reque

6、st, desire ask,这些动词后面的宾语从句要使用虚拟语气用法。即从句中的动词 使用should + 动词原形,或者将should省略。,我们建议Tom去休息一下。 他坚决要求我到场。 国王命令囚犯明天要实施死刑。 他们要求我们派他们去那儿工作。,We suggested that Tom (should) have a rest.,He insisted that I (should) be present.,The king ordered that the prisoners (should) be killed the next day.,They requested that

7、 we (should) send them to work there.,2、以上动词相应的名词构成的名词性从句(包括主语从句,表语从句和同位语从句)也要使用虚拟语气。从句中的动词形式一样。order, advice, suggestion, proposal, demand, request, desire,Its suggested that the plan be carried out. My demand is that she should come to see me once a week. All of us are for the advice that the chem

8、ical factory should be closed down.,4、几种特殊结构中虚拟语气的用法;,1)wish + 宾语从句,现在: 过去: 未来:,过去时 (did/were),过去完成时 (had done),would/could/might+V. should,I wish I were a bird. (现在) I wish I hadnt made such a mistake. (过去) We wish our parents wouldnt punish us. (未来),2)would rather that -,现在: 过去: 未来:,I would rather

9、 you paid me now. (现在),I would rather you had gone, too. (过去),Dont come. I would rather you came tomorrow. (未来),过去时,过去时,过去完成时,3) as if /though + 从句,现在: 过去:,过去时,过去完成时,He looks as if he were drunk.,They talked as if they had been friends for years.,She loves the baby as if it were her own son. It seem

10、s as if it were spring. I remember the whole thing as if it had happened yesterday.,4.Its high time +that -,should +V.,过去时,你该走了。,我们该睡觉了。,Its high time that you went. Its high time that you were going. Its high time that you should go.,Its time that we went to bed. Its time that we should go to bed.,

11、5)without和but for 构成虚拟。(but for要不是),Without sunlight, peoples life would be different from today.But for your help, I wouldnt have finished the work. But for water, it would be impossible to live in the desert.,6)If only (要是就好了) If only I knew his name! If only we had followed your advice! If only I

12、 could see him again!,要是我们的父母能和我们住在一起就好了。 要是我没错过火车就好了!,If only our parents could live with us!,If only I hadnt missed the train!,7)语境中的虚拟语气 (1) 介词短语表条件 But for your help, we couldnt have succeeded.They wouldnt have reached the agreement so easily without that common ground. (2)情境中提供虚拟语气 Suppose ther

13、e were no gravitational force, objects would not fall to the ground when dropped.She wasnt feeling very well. Otherwise she wouldnt have left the meeting so early.,8)Its necessary /strange/ natural/ important + that - 从句中的动词要用虚拟,即(should)+动词原形,1.It is important that we ( should ) master a foreign la

14、nguage. 2. It is strange that she refuse to come to the party. 3. Its necessary that we should study hard.,三、 虚拟语气假设条件句型注意点:,1.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。主句和从句的谓语动词要依照假设的时间而定。 If the weather had been finer, the crops would be growing still better. If you had followed the teachers advic

15、e, you wouldnt be in the hospital.,经典题目 1. If you _ him yesterday, you _ what to do now. asked would know had asked would have known C. asked him know D. had asked would know 2. What would have happened, _ as far as the river bank? A. Bob had walked farther B. if Bob should walk fartherC. had Bob wa

16、lked farther D. if Bob walked farther,C,D,3. How I wish every family _ a large house with a beautiful garden! (02 上海) A. has B. had C. will have D. had had 4. When a pencil is partly in a glass of water, it looks as if it _. (95 N)A. breaks B. has broken C. were broken D. had been broken,B,C,陈述语气与虚拟

17、语气 典型例题 5) The volleyball match will be put off if it _. A. will rain B. rains C. rained D. is rained 6) - Would you have called her up _ possible?- Yes, but I _ busy doing my homework.A. had it been was B. if it was wereC. if it had been had been D. if it were would be,B,该句为陈述语气,因为主句用的是 will be put

18、 off。真实条件句主句为将来时,从句用一般现在时代将来时。,问句中用的是虚拟语气,主句用 would have called, 从句中与过去相反的动词形式为 had done;答句中表示的是真实的情况,所以该用陈述语气。,A,高考题点击 7) You didnt let me drive. If we _ in turn, you _ so tired. A. drovedidnt get B. had drivenwouldnt have gotC. drovewouldnt get D. were drivingwouldnt get 8) It is hard for me to im

19、agine what I would be doing today if I _ in love, at the age of seven, with the Melinda Cox Library in my hometown. (02 上海) A. wouldnt have fallen B. had not fallenC. should fall D. were to fall,前句用的是陈述语气,表示过去发生的事;后句是虚拟语气,表示与过去相反。,B,B,该句主句中用的是与现在相反的虚拟语气,而从句中使用的是与过去相反的虚拟语气。全句意思为“如果我不在七岁时迷上了我们家乡的 Meli

20、nda Cox Library,我真不能想象我今天会做什么。”,.,- Do you mind if I leave the window open?- Well, Id rather you _ .A. dont B. didnt C. wont D. mustnt 10. Its half past eleven. Its high time _ home.A. well B. wed C. were going D. we went,B,D,11. Jack _ yet, otherwise he would have phoned me. (N 97)A. mustnt have ar

21、rived B. shouldnt have arrivedC. cant have arrived D. neednt have arrived,C,4. 名词性从句中的虚拟语气 A、宾语从句中的虚拟语气 在动词 suggest, order, demand, request, desire, insist, require, decide, determine, advise, recommend, deserve (值得提及) 后需用 should 型的虚拟语气。,考题点击: The teacher demanded that the work _ before 4 oclock.A.

22、finished B. be finished C. should finish D. finish 2. - What did the doctor say about your mothers illness?- He suggested that she _ an operation at once.A. must have B. had C. have D. had had,B,C,B、主语从句中的虚拟语气 基本句型: It is suggested, ordered, proposed, required, demanded, requested, insisted; + (shou

23、ld) do It is important, necessary, natural, desirable, strange, advisable, imperative It is a pity, a shame, no wonder,考题点击: 1. Is it necessary that he _ the examination?A. takes B. has to take C. must take D. take 2. It is strange that he _ you this.A. would tell B. should tell C. had told D. has t

24、old,D,B,C、表语从句和同位语从句中的虚拟语气 在 suggestion, proposal, idea, plan, order, advice 等名词后面的表语从句、同位语从句中要用虚拟语气,即(should)+动词原形。 My idea is that we (should) get more people to attend the conference. I make a proposal that we (should) hold a meeting next week.,考题点击: His suggestion that you _ once more sounds reasonable.A. try B. tries C. must try D. can try,A,

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