Subjunctivemood(虚拟语气）Ifyouhadgonetobedearlierlastnight,youwouldn’tbesleepynow.错综时间(mixedtime)条件句或混合虚拟语气如果你刚才向右转，你现在就不会有麻烦了。Ifyou________________(turnright)justnow,you______________(be)introublenow.hadturnedrightwouldn’tbein1.If引导的混合虚拟语气中：It’shardtoimagewhatIwouldbedoingtodayifI_____inloveattheageofseven,withtheMelindaCoxLibraryinmyhometown.A.wouldn’thavefallenB.hadnotfallenC.shouldfallD.weretofall一.含蓄条件句：有时假设的情况并不用if条件从句表示，而使用如:butfor(要不是),without,with，or,otherwise等一些介词短语，分词结构来代替if条件句,这时剩下的主句要用虚拟语气。虚拟语气其他形式：a)with,without,butfor等介词短语代替条件句相当于ifitisnotfor“要不是”Butfortherain,thecropswouldhavedied.(=If__________________________)Withouttheteacher’shelp,hecouldn’thavemadesuchgreatprogressinEnglish.(=If____________________________)ithadn’tbeenfortherainithadn’tbeenfortheteacher’shelp,b).otherwise,but,or常把真实情况和虚拟语气混合（重、难点）Iwasillthatday.Otherwise,Iwouldhavetakenpartinthesportsmeeting.（副词）Iwouldhavetakenpartinthesportsmeeting，butIwasillthatday.（连词）Hetelephonedtoinformmeofyourbirthday,orIwouldhaveknownnothingaboutit.（连词）I_______________(give)youmorehelp,butIwastoobusy.（连词）c)Givenmoretime,wecouldhavedoneitbetter.(分词短语)=If___________________________wehadbeengivenmoretime,mighthavegiven1.Withoutyourhelp,we____suchrapidprogress.A.couldn’tmakeB.wouldn’tmakeC.willnothavemadeD.wouldn’thavemade2.Icouldhavecalledyouforhelp,butI____yournumber.A.couldn’thaverememberedB.didn’trememberC.shouldhaverememberedD.hadn’tremembered二.虚拟语气的其他形式：1.与现在、将来相反用过去时，与过去时间相反使用过去完成时：a.wish,wouldrather引导的虚拟语气,但注意：wouldrather后所跟句子不接过去将来时。Iwouldratheryoucametomorrowinsteadoftoday.Iwouldratheryouhadcomeyesterday.b.If/asif/evenif/ifonly…引导的虚拟条件句。1.IwillnotgothereevenifI____________(give)thechanceto.2.Hetalksasifhe________________(be)toAmerica.3.Ifonlynight________(be)day.4.IfonlyI_____________(see)myfavoritestaryesterday.weregivenhadbeentowerehadseen5.IwishI______tothemoon.A.flyB.wouldflyC.couldfly2.由should+do,构成的虚拟语气：a．在由一个坚持（insist）,两个命令（order,command）,三项要求（demand,require,request）四条建议（advise,suggest,propose，recommend）,等词引导的名词性从句中，should可省b.在“Itisimportant(strange,natural,necessary)that…”这类句型中表示某事是“重要”，“奇怪”，“自然”，“必要”等意义时.（should不可以省略）C.在由forfearthat,incase,lest等引导的状语从句中,用“should+动词原形”表示“惟恐”的意思.Hehandledtheinstrumentwithcareforfearthatit__________damaged.(be)(should)be1.Itwasorderedthatnosmoking____inthelibrary.A.shouldallowB.beallowedC.willbeallowedD.isallowed2.很奇怪你竟然对你父母如此粗鲁！Itisstrangethatyoushouldbesorudetoyourparents.3._____besenttoworkthere?A.WhodoyousuggestB.WhodoyousuggestthatshouldC.DoyousuggestwhoshouldD.Doyousuggestwhom4.He’sworkinghardforfearthathe___.A.shouldfallbehindB.fellbehindC.mayfallbehindD.wouldfallenbehind1.用“may+动词原形”表示“祝愿，但愿”，此时may须置于句首（多用于正式文体中）如：Mayyousucceed!祝你成功!2.Itis（high/about）timethat主语+虚拟语气（should+v原形/过去式）3.虚拟语气的特例：2.It’shightimethatI__________(go)home.1.Herfriendssaidtoher,“______you_______happyforever.”A.wish,doB.May,beC.Hope,beD.Can,dowentShouldgoFinishoffexercisesonthepaper（课中练习）Homework:1.Exercisesonyourtextbook2.Workbook(P116C1-C2)
