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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Christmas is just around the corner.,Lets go and buy some Christmas gift!,If it,was,not raining now ,If tomorrow,would be,Christmas,英语动词有三种语气，陈述语气，祈使语气和虚拟语气。,定义：用来表示说的话不是事实，或者是不可能发生的情况，而是一种愿望，建议，假设的语气叫,虚拟语气,。,The Subjunctive Mood,虚 拟 语 气,Grammar,He has Day dreaming,If it,was,not raining now，,If tomorrow,would be,Christmas，,I should go out to buy Christmas gift.,I would have some days off.,If he more carefully,he the car,accident yesterday,.,had driven,would not have had,2.If I had taken your advice,I,wouldnt have made a mistake.,If I had time,I would come,to see you.,3.If it should rain tomorrow,they,wouldnt go for an outing.,(现在,),(过去,),(,将来,),一、虚拟语气在条件状语从句中的用法,时态,If 从句的谓语形式,主句的谓语形式,现在,过去,未来,did/were,would/could/should/might+V.(原),would/could/should/might+have+p.p.,1.did/were,2.should do,3.were to do,would/could/should/,might+V.(原),had done,二：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。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 better,the crops would be growing still better.,If you had followed the teachers advice,you wouldnt be in the hospital.,If you _ him yesterday,you _ what to do now.,asked would know,B.had asked would have known,C.asked him know,D.had asked would know,What would have happened,_,as far as the river bank?,A.Bob had walked,B.if Bob should walk,C.had Bob walked,D.if Bob walked,假设条件虚拟倒装。条件从句中有,should，were，had,三个助动词可以把if省略，并将这三个词提至句首。,If it were not for your advice,we couldnt have got over the difficulties.,Were it,not for your advice,we couldnt have got over the difficulties.,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 not be sunlight,peoples life would be difficult.,Should there,not be sunlight,peoples life would be difficult.,without和but for 构成虚拟。(but for要不是),Without sunlight,peoples life,would be,difficult.,But for your help,I,wouldnt have finished,the work.,Without your help,I(fail),But for water,it(be)impossible to live in the desert.,would have failed.,would be,高考题点击：,Jack cant have arrived yet,otherwise he _ me.,A.would phoned B.phoned,C.would have phoned D.had phoned,otherwise 的虚拟用法,She wasnt feeling very well.Otherwise she,wouldnt have left the meeting so early.,三、虚拟语气在名词从句中的用法,A.用于宾语从句,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 -,现在：,过去：,未来：,I would rather 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.,表示要求，命令，建议的虚拟语气。,常见动词：,一个,坚持,：,insist,两个,命令,：,order,command,三个,建议,：,advise,suggest,propose,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用法。即从句中的动词 使用,should+动词原形,。,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 we,(should)send,them to work there.,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。从句中的动词形式用,(,Should)do,order,advice,suggestion,proposal,demand,request,desire,B.用于主语从句中,Its necessary/strange/natural/important+that-,从句中的动词要用虚拟，即(should)+动词原形,It is important that we,(should)master,a foreign language.,It is strange that she,refuse,to come to the party.,Its necessary that we,should study,hard.,考题点击：,1.Is it necessary that he _ the examination?,A.took B.have to take C.must take D.take,D,His suggestion that you _ once more,sounds reasonable.,A.try B.tries C.must try D.,can try,A,四.用于 as if/though 引导的,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 seems as if it,were,spring.,I remember the whole thing as if it,had happened,yesterday.,五用于定语从句：Its(about/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 should go.,Its time that we went to bed.,Its time that we should go to bed.,六.用于If only 引导的感叹句,（,用法同wish）,If only I,knew,his name!,If only we,had followed,your advice!,If only I,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!,Quick Review:,一、虚拟语气在条件状语从句中的用法,二、虚拟语气假设条件句型注意点：,三、虚拟语气在名词从句中的用法,四、用于as if/though 引导的从句,六、用于If only 引导的感叹句（用法同wish）,五、用于定语从句：Its(about/high)time+that,
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