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1、Grammar—theSubjunctiveMood虚拟语气Wemetinthisroom.DocometothemeetingnextFriday.IfIwereyou,Iwouldstudyhard.陈述语气祈使语气虚拟语气英语动词有种语气三虚拟语气是一种特殊的动词形式(verbstructure),用来表示说话人所说的话不是一个事实(fact)，而只是一种假设(hypotheses)愿望(wishes)、建议(suggestion)或怀疑(doubt)等等。Thedefinitionofth
2、eSubjunctiveMood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。与现在相反与过去相反与将来相反If从句主句did（be用were)had+donedid（be用were)wereto+doshould+doWould＋do(should/could/might)Would/should/could/might+doWould＋have+done(should/could
3、/might)1.If引导的条件状语从句（1）Ifhehadhurried,hecouldhavecaughtthetrain.IfIweretogoabroad,IwouldgotoAmerica.IfIwonthelotterynow,Iwouldbuyanexpensivecar.现在事实相反过去事实相反将来事实相反Ifyouhadtoldmeinadvance,I_____himattheairport. A.wouldmeet B.wouldhadmet C.wouldhavemet D
4、.wouldhavemeet高手过招IwouldhavegonetothemeetingifI_____time. A.hadhadB.havehad C.hadD.wouldhavehadIfit______tomorrow,Iwouldn’tattendtheparty. A.rainB.rains C.hadrainedD.weretorain注意:含有should的条件句,主句可以用一般现在时或一般将来时.例如:Ifthereshouldbeanotherflood,whatshallwe
5、do?Askhertoleaveamessageifsheshouldcome.（2.）省略if的条件从句IfIweretomeethimtomorrow,Ishouldaskhimaboutit.Ifheshouldfailintheexperimentthistime,hewouldtryagain.WereItomeethimtomorrow,…Shouldhefailintheexperiment…省略if的条件从句IfIhadfollowedyouradvice,Iwouldn’thav
6、emadesuchfoolishmistakes.HadIfollowedyouradvice,…（3.）用介词短语代替条件状语从句。含蓄条件句but that（要不是）、without（没有）、otherwise（否则）、or（不然）、under．．．circumstances（在……的情况下）、in the past（在过去）相当于ifitweren’t/hadn’tbeenfor..e.g.:Withoutair,therewouldbenolivingthings.Iwouldnothav
7、esucceededbutforyourhelp.Butforhishelp,wewouldbeworkingnow.Withoutyourinstruction,Iwouldnothavemadesuchgreatprogress.Wedidn’tknowhistelephonenumber;otherwisewewouldhavetelephonedhim.（4)有时条件从句中的动作和结果从句中的动作发生的时间不一致，混合条件句主句与从句的动作发生在不同的时间，这时主，从句谓语动词的虚拟语气形
8、式因时间不同而不同，这叫做混合条件句。e.g.:Ifyouhadaskedhimyesterday,youwouldknowwhattodonow.（从句与过去事实相反，主句与现在事实相反。）Ifithadrainedlastnight(过去),itwouldbeverycoldtoday(现在).Ifhehadfollowedthedoctor’sadvice,hewouldbequiteallrightnow.2.名词性从句的虚拟语气(1).Wish引导的宾语从句与现在 事实相
