高二英语人教版选修UnitPoems语法虚拟语气课件

1、如果我有一千万，我就能买一栋房子。我有一千万吗？没有。所以我仍然没有房子。如果我有翅膀，我就能飞。 我有翅膀吗？没有。 所以我也没办法飞。 如果把整个太平洋的水倒出，也浇不熄我对你爱情的火。 整个太平洋的水全部倒得出吗？不行。所以我并不爱你。 痞子蔡第一次亲密接触_虚拟语气一二三虚拟语气一二三 虚拟语气表示说话人的愿望、假设、猜测或建议，而不表示客观存在的事实。虚拟语气通过谓语动词的特殊形式来表示。 时时 间间从句谓语形式从句谓语形式主句谓语形式主句谓语形式 与现在事实现在事实 相反相反 did (be 用用were)would / could / might / should + do 与过

2、去事实与过去事实 相反相反had +donewould / could / might / should have + done 与将来事实与将来事实 相反相反did(were)should + dowere to + dowould / could / might / should + do退一步退一步 海阔天空海阔天空 一一 “表表” 1.This printer is of good quality. If it _ break down within the first year, we would repair it at our expense.A. would B. should

3、 C. could D. might2.If the parents _at the hospital earlier after the accident, the child would have been saved.A. arrives B. arrive C. had arrived D. has arrived1.If you had taken my advice ,you wouldnt have failed inthe exam. Had you taken my advice, you wouldnt have failed in the exam.2.If he wer

4、e in the room now, he wouldnt feel so cold.Were he in the room now, he wouldnt feel so cold.3.If I should have time ,I would go with you. Should I have time, I would go with you(省省if)倒装条件句倒装条件句Step 1、观察思考。、观察思考。小结小结.当条件句中有_，_或_时，可省略_,把这三个词提到句首。Eg: If I were not so busy, I would go with you.werehad(

5、(助动词助动词)shouldif注意注意：若条件：若条件从句从句为为否定句否定句，否定词应，否定词应位于主语之后。位于主语之后。Were I not so busy, I would go with you.Step 2Step 2、运用规律（将以下句子改为省略、运用规律（将以下句子改为省略ifif的倒装条件句）的倒装条件句） If I were at school again, I would study harder._ If you had come earlier, you would catch the bus._ If I were not to have a test, I wo

6、uld go to the concert tonight._Were I at school again, I would study harder. Had you come earlier, you would catch the bus.Were I not to have a test, I would go to the concert tonight.含蓄条件句：含蓄条件句： But for your help, we couldnt have succeeded. Without air, we would not live even for five minutes. 以上句

7、子中虚拟条件没有使用从句，而是通过_短语来表示，这种句子叫做_。这种句子往往是有主句而无从句。有主句而无从句。可用于这种句式的介词或连词_/_/or/_等。含蓄条件句含蓄条件句but forwithoutotherwise做题关键：做题关键：通过句意判断准对什么时间的虚拟，然通过句意判断准对什么时间的虚拟，然后选择出正确的动词形式。后选择出正确的动词形式。介词介词想一想Without air, we would not live even for five minutes. _,we would not live even for five minutes. But for your help

8、, we couldnt have succeeded.=_, we couldnt have succeeded.If there were no airIf you hadnt helped usBut for John, we _ the match last week. A. would have lost B. would lose C. had lost D. lostPractice:Practice:would have lost He hesitated for a moment before kicking the ball, otherwise he _ a goal.

9、A. had scored B. scored C. would score D. would havescoredwould havescored 二二“混混”一一.混时态混时态:二二. 混虚实混虚实:时间错综的虚拟语气时间错综的虚拟语气If you had taken the medicine last night, you would be better now.If you had taken the medicine last night, you would be better now, but you didnt.虚虚实实If从句中时间与主句时间不一致。从句中时间与主句时间不一致

10、。Practice:假如你接受了我的意见，你现在就假如你接受了我的意见，你现在就会好的多。会好的多。You much better now if you my advice.would behad taken如果你没错过公共汽车的话，我们现在正如果你没错过公共汽车的话，我们现在正在听音乐会呢在听音乐会呢If you_the bus,we _the concert now.hadnt missedwould be enjoying (06福建27)If it were not for the fact that she _ sing，I would invite her to the party

11、.A.couldnt B.shouldnt C.cant D.might notwere notwouldinvite_事实事实If it hadnt been for the fact that I _ busy，I would have helped her.A.am B.was C.had been D.have been_ I _ you yesterday,but I was busy with my work. A. had helped B. would help C. would have helped D. helped_ 事实事实 三三“从句从句”1：虚拟语气在名词性从句中

12、用法：虚拟语气在名词性从句中用法关键词一坚持；二命令；三建议；关键词一坚持；二命令；三建议； 四要求四要求 (should) do2.It is + adj./n. +that (should) do关键词关键词 important / necessary / natural / strange/a pity/a shame）3：虚拟在特殊句型中的用法：虚拟在特殊句型中的用法 关键词：关键词：wish, as if/though, if only, would rather与事实时态的相反与事实时态的相反1. 表示要求，命令，建议等动词后的宾语从句。表示要求，命令，建议等动词后的宾语从句。一个

13、坚持：一个坚持：insist两个命令：两个命令：order, command 三个建议：三个建议：advise, suggest, propose四个要求：四个要求：demand , require, request, desire 这些动词后面的宾语从句要使用虚拟语气这些动词后面的宾语从句要使用虚拟语气用法。即从句中的动词用法。即从句中的动词 使用使用should + 动词原动词原形，或者将形，或者将should省略。省略。注注意意insistsuggestI suggest that we _at once.(set off)The students insisted that they

14、_ the meeting.(attend)His face suggested that he _ angry.(be)I insisted that he _ wrong.(be)waswas 比较比较 Special wordsSpecial words(should) set off(should) attend Its suggested ( ordered, demanded, proposed, commanded, requested, desired, insisted, required ) that 后面的主语从句中要使用后面的主语从句中要使用虚拟语气，也以虚拟语气，也以

15、 ( should )+ v.的形式出现。的形式出现。 Its ordered that only German ( should ) be taught at schools in Alsas and Lorin. Its requested that all the students ( should ) wear school uniforms at school.以上这些动词的名词形式以上这些动词的名词形式( (suggestion ,proposal, request, order, advice, command)后面的表语从句后面的表语从句 和同位语从句中也要用虚拟语气和同位语从

16、句中也要用虚拟语气 (should) + (should) + v v。 My suggestion is that you ( should ) go home first before coming here.The order came that the work (should) be finished two days ahead of time 句型句型 ： It is + adj./n. +that (should) do（important / necessary / natural / strange/a pity/a shame）It is necessary that w

17、e study well.It is natural that he (should) think so .It is a pity that Mary should go to thatdirty place. .2.wish + 宾语宾语从句从句现在：现在：过去：过去：未来：未来：过去时过去时 (did/were)过去完成时过去完成时 (had done)would/could/might+V. a)I wish she _ there with us now.b)I wish she _ there with us tomorrow.c) I wish she _there with u

18、s yesterday.A. goes B. went C. had gone D. would goBDC3. If only 要是就好了要是就好了 = I wishIf only I knew his name! If only we had followed your advice! If only I could see him again! 4.as if/though 4.as if/though： He speaks English as if/ though he is from the USA.He speaks English as if/ though he were f

19、rom the USA.事实事实虚拟虚拟 as if /though + Clause did /were(现在现在)had done(过去过去) would/could/might+动动词原形词原形(将来将来)5. would rather that现在：现在：过去：过去：未来：未来：did /werehad donedid /were1.I would rather he_ tomorrow than today.(come)2.I would rather you _ me now.(pay)3.I would rather they _with me yesterday.(go)练一练

20、练一练: :had gonecamepaid小结小结Wish/if only/as if 1) 现在：现在：did/were2)过去：过去： (had done)3)将来将来:(would/could) dowould rather1) 现在现在或或将来将来:did/were2) 过去过去: (had done)三反三反两反两反6.Its (about/high) time +(that)should +V.过去时过去时你该走了。你该走了。我们该去睡觉了。我们该去睡觉了。Its high time that you went.Its high time that you should go.I

21、ts time that we went to bed.Its time that we should go to bed. (Should不可省略不可省略)7用在用在may+动词原形动词原形表表“祝愿祝愿”。may放在句首。例：放在句首。例： May you be happy ! May you succeed ! 记不记随你！记不记随你！前虚后也虚，表格是依据；前虚后也虚，表格是依据；时差和虚实，混虚捉弄你。时差和虚实，混虚捉弄你。if省略要倒装，隐藏条件虚谨慎省略要倒装，隐藏条件虚谨慎“但愿但愿”多多“建议建议”； time时注意。时注意。Competition（10湖南湖南29）If

22、he _ my advice, hewouldnt have lost his job.A. followed B. should follow C. had followed D. would follow2（10江苏江苏34）George is going to talk about the geography of his country, but Id rather he _ more on its culture. A. focus B. focused C. would focus D. had focused（10安徽安徽26）Bob would have helped us y

23、esterday, buthe _. A. was busy B. is busy C. had been busy D. will be busy（10北京北京34）-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. wouldnt die B. didnt die C. hadnt died D. wouldnt have died（2011天津卷天津卷,15）I _ sooner

24、 but I didnt know that they were waiting for me.A. had come B. was coming C. would come D. would have come（2011江西卷江西卷28）We _ Johns name on the race list yesterday but for his recent injury.A. will put B. will have put C. would put D. would have put（2011福建卷福建卷,34）Pity you missed the lecture on nuclear pollution.I _ it, but I was busy preparing for a job interview. A. attended B. had attended C. would attend D. would have attended(2011陕西卷陕西卷,22）I _ through that bitter period without your generous help. A. couldnt have gone B.