高中英语条件句虚拟语气语法详解.pptx

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,*,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,*,条件句中,1/42,英语动词有,种语气,陈说语气,祈使语气,虚拟语气,用来表示说话不是事实，或者是不太可能发生情况，而是一个愿望，提议，假设语气叫虚拟语气。,三,2/42,区分:,If it,rains,tomorrow,the crops,will,be saved.,If it,rained,tomorrow,the crops,would,be saved.,陈说语气,虚拟语气,3/42,条件句中虚拟语气考点,1、基本使用方法；,2、混合条件句；,3、虚拟条件句省略和倒装,4、含蓄条件句;,4/42,if引导虚拟条件句,5/42,主从句谓语形式,时间,If 从句谓语形式,主句谓语形式,现在,过去,未来,did/were,had done,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),6/42,虚拟语气,例句,If you,had come,a few minutes earlier,you,would have met,him.,要是你早来几分钟话，你就能见到他了。(与过去事实相反),2.If it,were,sunny tomorrow,I,would come,to see you.,明天要是天气好话，我来看你。(与未来事实可能相反),3.If I,were,you,I,would go,at once.,假如我是你话，我会马上走。(与现在事实相反，实际上我不可能是你),虚拟语气在,在条件从句中,7/42,混合条件句:,有时,主句,和,从句,动作,发生在,不一样,时间，这时主、从句谓语动词虚拟语气形式,因时间不一样而不一样,，这就叫,混合条件句。,8/42,If the staff,had been,more careful,the mall,would,not be,on fire now,.,9/42,If you your father advice,had taken,You in the,traffic jam now.,wouldnt have trapped,10/42,If+,主+,did(were),主+,would/should/could/migh,t,+动词,原,形,If I,were,you,I,would try,it again.,1.假如我是你，我会再试一次。,2.假如我有一百万美元，我会买下这架飞机。,If I,had,one million dollars,I,would buy,the plane.,与现在事实相反虚拟条件句,11/42,If+,主+,had done,sth,主+,would/should/could/might,+动词完成式（,have done,）,If he,had worked,hard,he,would have passed,the examination.,1.假如他努力学话，他就经过这次考试。,If I,had married,her,I,would have been,unhappy,.,2.要是当初我和她结了婚话，那我是很不幸。,与过去事实相反虚拟条件句,12/42,与未来事实相反虚拟条件句(通常有时间状语),If he,came,here tomorrow,I,would tell,him about it.,If he,were to come here,tomorrow,I,would,tell,him,.,1.假如他明天来话,我会告诉他这件事,.,2.假如他明天来话,我会告诉他,.,If+,主+,did(were to/should do,),主+,would/should,/,could/might,+动词,原,形,13/42,假如我是你，我就听从他提议。,If I,were,you,I,would have taken,his advice,.,从句,表示,现在,，,主句,表示,过去,假如你听我话，现在就不会这么糟糕了。,从句,表示,过去,，,主句,表示,现在,假如这些天一直没下雨，我们现在能够进行工作了。,从句,表,过去,进行，,主句表现在,进行,If you,had listened,to me,you,might not be,in such trouble,now.,If it,hadnt been raining,those days,we,should be,going on with the works.,14/42,If you,had followed,my advice,you,would be able to finish,the work now.,假如你当初听了我话，现在就能完成这份工作了。,（,从句,说明,过去,，,主句,说明,现在,。）,If I,were,you,I,would have gone,to her birthday party.,假如我是你，我就去参加她生日晚会了。（,从句,说明,现在,，,主句,说明,过去,。）,15/42,If you,hadnt lent,me some money,I,couldnt have bought,the new house and most likely I,would be,still living,in the dangerous house,now,.,假若你不借钱给我，我不可能买下这幢新房，很可能现在还住在危房里。,（从句说明,过去,，主句说明,过去,和,现在,。）,16/42,1.假如过去天气好话，现在庄稼长得更加好了,If the weather _finer,the crops _still better.,2.假如你听了老师提议话，你现在就不会在医院里了,If you _ the teachers advice,you _ in the hospital.,3.假如你身体情况好一些话，我们本可能会让你去帮助他们工作,If you,in better health,we _ you to go there to help their work.,had been,could have allowed,would be growing,had followed,wouldnt be,were,17/42,If虚拟句省略和倒装,18/42,假如条件状语中有,were,had,should,时,能够省略if倒装成：,Were/Should/Had,+主+其它,Were I you,Had he been there yesterday,Should it snow tomorrow,If I were you,I would try it again.,If he had been there yesterday,he would have seen the film.,If it should snow tomorrow,we wouldnt go out.,假如我是你，我会再试一次。,假如他昨天在那儿话，他就会看那部电影了。,假如明天下雪，我们就不出去了。,19/42,1._the exam,he would have attend a college.,A.If he passed B.Had he passed,C.Were he passed D.If he should pass,2._five minutes earlier,you could have seen them off.,A.If you should arrive B.If you arrive,C.Had you arrived D.Should you arrive,20/42,含蓄条件句,21/42,有时 假设情况并不以,条件从句,表示出来，而是隐含在一些词或短语中，如，,otherwise,without,but for,等，或者从,上下文,中表示出来，这种情况叫,含蓄条件句,，主句要用,虚拟语气,。,22/42,Eg.Without,/,But for,your help,we,would not,have made,such rapid progress.,1.I was ill that day.0therwise,I _(take)part in the sports meet.,2.I _(give)you more help,but I was too busy.,3.A man who stopped drinking _ (be),dead in seven days.,4.,But for,water,it _(be)impossible to live in the desert.,would have taken,might have given,would be,would be,23/42,1.条件暗含在短语中。如：,What would I have done,without you,?,(条件暗含在分词短语without you中),It would be easier,to do it this way,.,(条件暗含在不定式短语to do it this way 中),But for your help,we couldnt have succeeded in the experiment.,(暗含条件是but for your help),24/42,This same thing,happening in wartime,would lead to a disaster.,(条件暗含在分词短语happening in wartime中),He studied hard at high school,or,he couldnt have entered Beijing University.,(暗含条件是连词or),Alone,he would have been terrified.,(暗含条件是alone),25/42,2.条件暗含在上下文中。如：,You might stay here forever.,(可能暗含if you wanted to),We would have succeeded.,(可能暗含if we had kept trying),Your reputation would be ruined.,(可能暗含if you should accept it)I would appreciate a little of your time.,(可能暗含if you were so kind as to give me a little of your time),26/42,虚拟语气,Alan _ the party if he had gone to London.,A.would have missed B.had missed,C.would miss D.missed,2.If I had known you were coming,I _ you at the airport.,A.had met B.met,C.would meet D.would have met,More Exercises,A,D,27/42,虚拟语气,6.Simon looks as though he never _ a square meal(吃得饱),though his parents feed him very well.,A.get B.getting C.got D.should get,7.He is talking so much about America as if he _ there.,A.had been B.were C.was D.been,8.I _ you some money,but I hadnt got any then.,A.would lend B.would have lent,C.could lend D.may have lent,C,A,B,28/42,If you had told me in advance,I _ him at the airport.A.would meet B.would had met C.would have met D.would have meet,29/42,_I you,I would go with him to the party.A.Was B.Had been C.Will be D.WereIf it_ tomorrow,I wouldnt attend the party.A.rain B.rains C.had rained D.were to rain,30/42,I would have gone to the meeting if I _ time.A.had had B.have had C.had D.would have had,Had you listened to the doctor,，,you _ all right.A.areB.were C.would beD.would have been,31/42,Without sunlight,or water or air,there _ no life on the earth.,A will have B would be,C can be D must be,But for the snow,we _ earlier.,A will arrive B would have arrived,C arrive D arrived,32/42,高考冲刺,33/42,1.If he,my advice,he wouldnt have lost his job.(,天津)A.followed B.should follow C.had followed D.would follow2.John went to the hospital alone.If he _ me about it,I would have gone with him.(,重庆)A.should tell B.tells C.told D.had told,34/42,3.If we _ the other road,we might have arrived here in time for the meeting.(,陕西)A.take B.had taken C.took D.have taken4.Had I known about this computer program,a huge amount of time and energy,.(,浙江)A.would have been savedB.had been saved C.will be savedD.was saved,35/42,5.He was very busy yesterday,otherwise he _ to the meeting.,A.would come B.came,C.would have come D.had come,6.Without electricity,human life _ quite different today.,A.is B.will be,C.would have been D.would be,7.-Why didnt you come to the party yesterday?-I wouldhave,but an unexpected visitor _ to see me.A.came B.would come,C.had come D.was coming,36/42,虚拟语气,6.在as if 从句中，惯用虚拟形式，即,表示与现在事实相反，用过去式,；,与过去事实相反用过去完成式(had done).,一、as if(as though)连接表语从句,she looked,as if,she were made of ice.,她看起来似乎是冰做,he looked,as if,he hadnt slept for two days.,二、as if 连接让步状语从 句,She looked after the boy,as if,he were her own son.,她照料这男孩就像自己儿子一样。,He speaks to us,as if,he had been there.,他给我们讲好象他去过那儿。,虚拟语气在,在 as if 从句中,37/42,区分：,He speaks English as if/though he is from the USA.陈说语气,He speaks English as if/though he were,from the USA.虚拟语气,38/42,as if/though+Clause,现在：,过去：,未来:,did/were(现在),had done(过去),would+动词原形(未来),39/42,He behaves as if he owned the house.,(But he doesnt own it or probably doesnt own it or we dont know whether he owns it or not.),40/42,He talks about Rome as though hehad been there himself.,41/42,42/42,