高中英语语法教学课件：虚拟语气.ppt

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1、虚 拟 语 气2021/8/11 星期三11.虚拟语气的考点虚拟语气的考点 1、条件句中的虚拟语气的用法；、条件句中的虚拟语气的用法；2、条件句中虚拟语气的倒装；、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；、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的用法；、几种特殊结构中虚拟语气的用法；5、虚拟语气与陈述语气的判定。、虚拟语气与陈述语气的判定。2021/8/11 星期三21、陈述语气与虚拟语气、陈述语气与虚拟语气典型例题典型例题1)The volleyball match will be put off if it _.A.will rain B.rains C.r

2、ained D.is rained2)-Would you have called her up _ possible?-Yes,but I _ busy doing my homework.A.had it been wasB.if it was were C.if it had been had beenD.if it were would beB该句为陈述语气，因为主句用的是 will be put 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

3、的情况，所以该用陈述语气。A2021/8/11 星期三32、条件句中的虚拟语气、条件句中的虚拟语气时时 间间 If If 条件句条件句主主 句句过过 去去had donewould have done现现 在在did/werewould do将将 来来should dowere to dodid/werewould do2021/8/11 星期三4高考题点击高考题点击1)You didnt let me drive.If we _ in turn,you _ so tired.（96 N）A.drovedidnt getB.had drivenwouldnt have got C.drovew

4、ouldnt get D.were drivingwouldnt get 2)It is hard for me to imagine 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 fallenB.had not fallen C.should fallD.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。BB该句主句中用的是与现在相反的虚拟

5、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 Melinda Cox Library，我真不能想象我今天会做什么。”2021/8/11 星期三5 3、条件句中虚拟语气的特殊情况、条件句中虚拟语气的特殊情况1)虚拟倒装句虚拟倒装句What would have happened,_ as far as the river bank?(01 上海)A.Bob had walked fartherB.if Bob should walk fartherC.had Bob walked fartherD.if Bob walked farther2)错综条件

6、句错综条件句If you _ him yesterday,you _ what to do now.A.asked would knowB.had asked would have knownC.asked him knowD.had asked would knowCD2021/8/11 星期三63)介词短语表条件介词短语表条件 But for your help,we couldnt have succeeded.They wouldnt have reached the agreement so easily without that common ground.4)情境中提供虚拟语气情

7、境中提供虚拟语气 Suppose there 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.高考题点击：高考题点击：Jack _ yet,otherwise he would have phoned me.(N 97)A.mustnt have arrivedB.shouldnt have arrived C.cant hav

8、e arrivedD.neednt have arrivedC2021/8/11 星期三75)比较比较if only与与only if only if 表示“只有”；if only 则表示“如果就好了”。If only 也可用于陈述语气。I wake up only if the alarm clock rings.只有闹钟响了，我才会醒。If only the alarm clock had rung.当时闹钟响了，就好了。If only he comes early.但愿他早点回来。2021/8/11 星期三84.名词性从句中的虚拟语气名词性从句中的虚拟语气 A、宾语从句中的虚拟语气、宾语

9、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：考题点击：1.The teacher demanded that the work _ before 4 oclock.A.finished B.be finished C.should finish D.finish2.-What did the doctor say about your mothers illness?-He

10、suggested that she _ an operation at once.A.must haveB.hadC.haveD.had hadBC2021/8/11 星期三9B、主语从句中的虚拟语气、主语从句中的虚拟语气基本句型：基本句型：a.It is suggested,ordered,proposed,required,demanded,requested,insisted；+(should)do b.It is important,necessary,natural,desirable,strange,advisable,imperative c.It is a pity,a sh

11、ame,no wonder 考题点击：考题点击：1.Is it necessary that he _ the examination?A.takesB.has to takeC.must takeD.take2.It is strange that he _ you this.A.would tell B.should tell C.had told D.has toldDB2021/8/11 星期三10C、表语从句和同位语从句中的虚拟语气、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

12、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：考题点击：1.His suggestion that you _ once more sounds reasonable.A.try B.tries C.must try D.can tryA2021/8/11 星期三115.虚拟语气在其它情况下的使用虚拟语气在其它情况下的使用 1)wis

13、h 后的虚拟语气：后的虚拟语气：高考题点击：高考题点击：How I wish every family _ a large house with a beautiful garden!(02 上海)A.hasB.hadC.will haveD.had had2)as if 从句：从句：高考题点击：高考题点击：When a pencil is partly in a glass of water,it looks as if it _.(95 N)A.breaksB.has broken C.were broken D.had been brokenBC2021/8/11 星期三123)Its

14、time 从句：从句：It is(high)time that 后面的从句谓语动词要用过去式或用should加动词原形，但should不可省略。It is time that the children went to bed.It is high time that the children should go to bed.类似的结构为 would rather 从句：I would rather you attended the meeting this afternoon.考题点击：考题点击：1.-Do you mind if I leave the window open?-Well,Id rather you _.A.dontB.didntC.wontD.mustnt2.Its half past eleven.Its high time _ home.A.wellB.wedC.were going D.we wentBD2021/8/11 星期三132021/8/11 星期三142021/8/11 星期三15