Ifhe__________morecarefully,he_________________thecaraccidentyesterday.haddrivenwouldnothavehadIwishI_____abird.wereIwishI_______astallasyou.wereIwishI____________(eat)somuchwatermelon.hadn’teaten虚拟语气，作为日常交际应用中常常会出现虚拟语气，作为日常交际应用中常常会出现的一种语言现象，一直是高考题几乎年年都要考到的一个的一种语言现象，一直是高考题几乎年年都要考到的一个热点。但对于中国学生来说，它又是一个难点。无怪乎许热点。但对于中国学生来说，它又是一个难点。无怪乎许多学生学完虚拟语气后，常常会叹道：多学生学完虚拟语气后，常常会叹道：Iftherewerenosubjunctivemood,English______mucheasier.A.willbeB.wouldhavebeenC.couldhavebeenD.wouldbeif引导的虚拟条件句IF从句主句与过去情况相反时与现在情况相反时与将来事实可能相反时haddonewouldhavedonedid(be用were)woulddo1)did2)should+动原3)wereto+动原woulddo省略if的虚拟条件句若有动词were,should或had（+过去分词），可以省略if,且把这三个词放在主语之前，变成倒装句。IfIwereabird,Iwouldflyfreely.=WereIabird,Iwouldflyfreely.Ifheshouldcometomorrow,Iwouldgiveittohim.Ifhehadcomeyesterday,youwouldhaveseenhim.=Shouldhecometomorrow,Iwouldgiveittohim.=Hadhecomeyesterday,youwouldhaveseenhim.Ifyouhadaskedhimyesterday,youwouldknowwhattodonow.从句与过去事实相反,主句与现在事实相反错综条件句虚拟条件暗含在短语或上下文中，主句必须根虚拟条件暗含在短语或上下文中，主句必须根据句中表述的意义以及某些特定的信息词据句中表述的意义以及某些特定的信息词1.Withoutelectricity,humanlife______quitedifferent1.Withoutelectricity,humanlife______quitedifferenttoday.today.A.isB.willbeC.wouldhavebeenD.wouldbeA.isB.willbeC.wouldhavebeenD.wouldbe2.YesterdayJanewalkedawayfromthediscussion.2.YesterdayJanewalkedawayfromthediscussion.Otherwise,she______somethingshewouldregretlater.Otherwise,she______somethingshewouldregretlater.A.hadsaidB.saidC.mightsayD.mighthavesaidA.hadsaidB.saidC.mightsayD.mighthavesaidWithoutelectricity=Iftherewerenoelectricity含蓄条件句含蓄条件句名词性从句中虚拟语气用法1.suggest,order,demand,request,desire,insist等后的宾语从句，主语从句，表语从句，同位语从句常用Isuggest(that)he(should)gotoseethedoctortoday.Iorderthatyou(should)notdisturbothersinclassclass.“should+动词原形”，should可以省略。2.Iwish与过去愿望相反：haddoneIwishIhadseenthatfilm.与现在愿望相反：did/wereIwishIwereashandsomeasyou.与将来愿望相反：would/could/might+动词原形IwishIwouldtryagain.3.Itisstrange/necessary/apity/natural/important…that等结构后的主语从句:Itisimportantthatwe(should)learnEnglishwell.其他形式的虚拟语气1.Itistimethat从句动词一般用过去时态e.g.Itistimethatwewenttosleep.2.asife.g.Shepretendedasifshehadn’tseenhim.3.ifonlye.g.IfonlyIknewtheanswer.Iwouldratherthatyoucametomorrow.Iwouldratheryouhadn’ttoldhimthetruth.4.wouldrather
