虚拟语气 P P T精ppt课件.ppt

Leaningaims教学目标,一、深入了解，掌握虚拟语气二、团结互助，积极主动，勇于展现自我,英语动词有种语气陈述语气祈使语气虚拟语气,用来表示说的话不是事实，或者是不太可能发生的情况，而是一种愿望，建议，假设的语气叫虚拟语气。,三,虚拟语气的考点1、条件句中的虚拟语气的用法；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的用法;5、虚拟语气时态的判定。,if引导的虚拟条件句,虚拟语气,例句Ifyouhadcomeafewminutesearlier,youwouldhavemethim.要是你早来几分钟的话，你就能见到他了。(与过去事实相反)2.Ifitweresunnytomorrow,Iwouldcometoseeyou.明天要是天气好的话，我来看你。(与将来事实可能相反)3.IfIwereyou,Iwouldgoatonce.假如我是你的话，我会马上走。(与现在事实相反，事实上我不可能是你),虚拟语气在在条件从句中,主从句的谓语形式,时间,If从句的谓语形式,主句的谓语形式,现在,过去,将来,did/were,haddone,would/could/should/might+V.(原),would/could/should/might+have+p.p.,1.did/were2.shoulddo3.weretodo,would/could/should/might+V.(原),If+主+did(were),主+would/should/could/might+动词原形,IfIwereyou,Iwouldtryitagain.,1.如果我是你，我会再试一次。,2.如果我有一百万美元，我会买下这架飞机。,IfIhadonemilliondollars,Iwouldbuytheplane.,与现在事实相反的虚拟条件句,If+主+haddonesth,主+would/should/could/might+动词完成式（havedone）,Ifhehadworkedhard,hewouldhavepassedtheexamination.,1.如果他努力学的话，他就通过这次考试。,IfIhadmarriedher,Iwouldhavebeenunhappy.,2.要是当时我和她结了婚的话，那我是很不幸的。,与过去事实相反的虚拟条件句,名词性从句中的虚拟语气及几种虚拟语气特殊句型,二、虚拟语气在名词从句中的运用,（1）用于宾语从句,、wish后面的宾语从句中。一般用虚拟语气，表示一种不可能实现的愿望。其谓语动词形式为：,表现在过去时表过去过去完成时表将来would,might,could动词原形,Iwish(that)Iwereabird.Iwish(that)Ihadseenthefilmlastnight.Iwish(that)Iwouldcouldgo.,2019/12/16,12,可编辑,2.表示要求,命令,建议的虚拟语气,一个坚持，两个命令，三个建议，四个要求1.insist2.order,command3.advise,suggest,propose(advice,suggestion,proposal)4.demand,require,request,desire这些词引导的名词性从句要使用虚拟语气。即从句中的动词使用should+动词原形，或者将should省略。,3.wouldrather+从句动词用过去式或过去完成时,Iwouldratheryoutoldmethetruth.IwouldratheryouhadgonetherelastSunday.,4.asif(asthough)看起来常用虚拟形式，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(haddone).,Hetreats/treatedtheboyasifhewerehisownson.,Hespeaks/spokeasifhehadknownaboutit,四情态动词+havedonecouldhavedone本来可以-mighthavedone本来可能-should/oughttohavedone本来应该做-shouldnt/oughtnottohavedone本不该做-你本不应该告诉她真相。Youshouldnthavetoldherthetruth.neednthavedone本不必做-比较：didntneedtodo没必要做也没有做-我没必要擦窗户。我兄弟做了Ididntneedtocleanthewindows.Mybrotherdidit.wouldhavedone本来会去做-,我没有足够的钱否则我会买那本书的,Ididnthaveenoughmoney,otherwiseIwouldhaveboughtthatbook.,5.HeistalkingsomuchaboutAmericaasifhe_there.hadbeenB.hasbeenC.wasD.hasgone6.Theyoungmaninsistedthathe_nothingwrongand_free.A.did;setB.haddone;shouldbesetC.shoulddo;besetD.haddone;mustbeset7.Hadyoulistenedtothedoctor,you_allrightnow.areB.wereC.wouldbeD.wouldhavebeen8.You_comeearlier.Thebusleftamomentago.A.wouldB.shouldhaveC.mayD.have,B,B,c,A,Homework,1.FinishtheExercise1and2afterclass2.PreviewPeriod4,Thankyou,非真实条件句中的条件从句有时不表出来，只暗含在上下文中，这种句子叫做含蓄条件句。含蓄条件句大体有三种情况:,1.条件暗含在短语中。如：,WhatwouldIhavedonewithoutyou?(条件暗含在分词短语withoutyou中),Itwouldbeeasiertodoitthisway.(条件暗含在不定式短语todoitthisway中),Butforyourhelpwecouldnthavesucceededintheexperiment.(暗含条件是butforyourhelp),Thissamething,happeninginwartime,wouldleadtoadisaster.(条件暗含在分词短语happeninginwartime中),Hemusthavethestrengthofahippopotamus,orhenevercouldhavevanquishedthatgreatbeast.(暗含条件是连词or),Alone,hewouldhavebeenterrified.(暗含条件是alone),2.条件暗含在上下文中。如：,Youmightstayhereforever.(可能暗含ifyouwantedto)Wewouldhavesucceeded.(可能暗含ifwehadkepttrying)Yourreputationwouldberuined.(可能暗含ifyoushouldacceptit)Iwouldappreciatealittleofyourtime.(可能暗含ifyouweresokindastogivemealittleofyourtime),3.在不少情况下，虚拟式已变成习惯说法，很难找出其暗含的条件。如：Youwoul