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sparrowsnailhammarnailsailawaygetstiedupforeststreetbeneath1.英语动词有三种语气，陈述语气，祈使语气和虚拟语气.zxxk2.定义：用来表示说的话不是事实，或者是不可能发生或可能性比较小的情况，而是一种愿望，建议，假设的语气叫虚拟语气。一、虚拟语气定义IfIamfree,Iwillvisityou.IfIwereabird,Iwouldflyintothesky.→(虚拟条件句)→(真实条件句)Whatwouldyoudoifyouwonthelottery?IfIwonthelottery,Iwould…IfIwonthelottery,Iwouldbuyanexpensivecar.(与现在事实相反）Iwouldbuyavilla.（与现在事实相反）hewouldnothavebeenlateforschool.（与过去事实相反）Ifhe__________morecarefully,he_________________thecaraccidentyesterday.（与过去事实相反）haddrivenwouldnothavehadIfI________howtoswim,I__________________trappedinthisisland.（与过去事实相反）hadlearntwouldnothavebeen假如他来了,我们对他说什么呢？Ifheweretocome,whatshouldwesaytohim.假如他看见我,就会认识我。Ifheshouldseeme,hewouldknowme.时间If条件句主句过去haddonewouldshould+havedonesthcouldmight现在助动词be用were实义动词do用didwouldshould+dosthcouldmight将来did/wereshoulddoweretodowouldshould+dosthcouldMight1.IfIwereyou,I____buythehouserightnow.A.won’tB.don’tC.wouldn’tD.can’t2._____morecareful,hisshipwouldnothavesunk.A.IfthecaptainwereB.IfthecaptainhadbeenC.ShouldthecaptainbeD.Ifthecaptainwouldhavebeen3.Ifhe____metomorrow,IwouldlethimknowA.shouldcallB.shouldnothavebeenableC.werenotableD.arenotableBCA2.名词性从句的虚拟语气。主要是表示命令、要求、建议的虚拟语气。1.宾语从句。常见动词：一个坚持:insist两个命令:order,command三个建议:advise,suggest,propose五个要求:demand,require,request,desireask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，或者将should省略。1.我们建议Tom去休息一下。2.他坚决要求我到场。3.国王命令囚犯明天要实施死刑。4.他们要求我们派他们去那儿工作。1.WesuggestedthatTom2.HeinsistedthatIpresent.4.Theyrequestedthatwe3.Thekingorderedthattheprisonersshouldhavearest.(should)beShouldbekilledthenextday.shouldsendthemtoworkthere.2、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。从句中的动词形式一样。order,advice,suggestion,proposal,demand,request,desire•It’ssuggestedthattheplanbecarriedout.•Mydemandisthatsheshouldcometoseemeonceaweek.•Allofusarefortheadvicethatthechemicalfactoryshouldbecloseddown.3、几种特殊结构中虚拟语气的用法；1）wish+宾语从句现在：过去：未来：过去时(did/were)过去完成时(haddone)would/could/might+V.should•IwishIwereabird.(现在)•IwishIhadn’tmadesuchamistake.(过去)•Wewishourparentswouldn’tpunishus.(未来)2）wouldratherthat-现在：过去：未来：•Iwouldratheryoupaidmenow.(现在)•Iwouldratheryouhadgone,too.(过去)•Don’tcome.Iwouldratheryoucametomorrow.(未来)过去时过去时过去完成时3）asif/though+从句现在：过去：过去时过去完成时•Helooksasifheweredrunk.•Theytalkedasiftheyhadbeenfriendsforyears.•Shelovesthebabyasifitwereherownson.•Itseemsasifitwerespring.•Irememberthewholethingasifithadhappenedyesterday.4).It’shightime+that-should+V.过去时你该走了。我们该睡觉了。It’shightimethatyouwent.It’shightimethatyoushouldgo.It’stimethatwewenttobed.It’stimethatweshouldgotobed.5）without和butfor构成虚拟。(butfor要不是)•Withoutsunlight,people’slifewouldbedifferentfromtoday.•Butforyourhelp,Iwouldn’thavefinishedthework.•Butforwater,itwouldbeimpossibletoliveinthedesert.6）Ifonly…(要是…就好了)IfonlyIknewhisname!Ifonlywehadfollowedyouradvice!IfonlyIcouldseehimagain!•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！Ifonlyourparentscouldlivewithus!IfonlyIhadn’tmissedthetrain!8）It’snecessary/strange/natural/importantapity+that---从句中的动词要用虚拟，即(should)+动词原形1.Itisimportantthatwe(should)masteraforeignlanguage.2.Itisstrangethatsherefusetocometotheparty.3.It’snecessarythatweshouldstudyhard.三、虚拟语气假设条件句型注意点：1.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。Iftheweatherhadbeenfiner,thecropswouldbegrowingstillbetter.Ifyouhadfollowedtheteacher’sadvice,youwouldn’tbeinthehospital.1.Thevolleyballmatchwillbeputoffifit_____.A.willrainB.rainsC.rainedD.israinedB精选习题2.Youdidn’tletmedrive.Ifwe____inturn,you____sotired.A.drove…didn’tgetB.haddriven…wouldn’thavegotC.drove…wouldn’tgetD.weredriving…wouldn’tgetB3.Ifyou_____himyesterday,you_____whattodonow.A.asked…wouldknowB.hadasked…wouldhaveknownC.askedhim…knowD.hadasked…wouldknow4.Whatwouldhavehappened,_____asfarastheriverbank?A.BobhadwalkedfartherB.ifBobshouldwalkfartherC.hadBobwalkedfartherD.ifBobwalkedfartherCD5.HowIwisheveryfamily_____alargehousewithabeautifulgarden!(02上海)A.hasB.hadC.willhaveD.hadhad6.Whenapencilispartlyinaglassofwater,itlooksasifit____.(95N)A.breaksB.hasbrokenC.werebrokenD.hadbeenbrokenBC.7-DoyoumindifIleavethewindowopen?-Well,I’dratheryou_____.A.don’tB.didn’tC.won’tD.mustn’t8.It’shalfpasteleven.It’shightime_____home.A.we’llB.we’dC.we’regoingD.wewent组卷网BD学习计划：学习计划论坛：