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Christmasisjustaroundthecorner.Let’sgoandbuysomeChristmasgift!Ifitwasnotrainingnow…IftomorrowwouldbeChristmas…英语动词有三种语气，陈述语气，祈使语气和虚拟语气。定义：用来表示说的话不是事实，或者是不可能发生的情况，而是一种愿望，建议，假设的语气叫虚拟语气。TheSubjunctiveMood虚拟语气Hehas…Daydreaming……Ifitwasnotrainingnow，IftomorrowwouldbeChristmas，IshouldgoouttobuyChristmasgift.Iwouldhavesomedaysoff.Ifhemorecarefully,hethecaraccidentyesterday.haddrivenwouldnothavehad2.IfIhadtakenyouradvice,Iwouldn’thavemadeamistake.1.IfIhadtime,Iwouldcometoseeyou.3.Ifitshouldraintomorrow,theywouldn’tgoforanouting.(现在)(过去)(将来)一、虚拟语气在条件状语从句中的用法时态If从句的谓语形式主句的谓语形式现在过去未来did/werewould/could/should/might+V.(原)would/could/should/might+have+p.p.1.did/were2.shoulddo3.weretodowould/could/should/might+V.(原)haddone二：虚拟语气假设条件句型注意点：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。Iftheweatherhadbeenbetter(过去）,thecropswouldbegrowingstillbetternow.（现在）Ifyouhadfollowedtheteacher’sadvice(过去）,youwouldn’tbeinthehospital（现在）.Ifyou_____himyesterday,you_____whattodonow.A.asked…wouldknowB.hadasked…wouldhaveknownC.askedhim…knowD.hadasked…wouldknow假设条件虚拟倒装。条件从句中有should，were，had三个助动词可以把if省略，并将这三个词提至句首。Ifitwerenotforyouradvice,wecouldn’thavegotoverthedifficulties.Wereitnotforyouradvice,wecouldn’thavegotoverthedifficulties.IfIhadhadtime,Iwouldhaverunroundthatlakeagain.HadIhadtime,Iwouldhaverunroundthatlakeagain.without和butfor构成虚拟。(butfor要不是)•Withoutsunlight,people’slifewouldbedifficult.(现在）•Butforyourhelp,Iwouldn’thavefinishedthework.（过去）•Withoutyourhelp,I(fail)•Butforwater,it(be)impossibletoliveinthedesert.wouldhavefailed.wouldbe高考题点击：Jackcan’thavearrivedyet,otherwisehe_____me.A.wouldphonedB.phonedC.wouldhavephonedD.hadphonedotherwise(ad.否则,不然))的虚拟用法Shewasn’tfeelingverywell.Otherwiseshewouldn’thaveleftthemeetingsoearly.三、虚拟语气在名词从句中的用法A.用于宾语从句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.wouldrather--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.表示要求，命令，建议的虚拟语气。常见动词：一个坚持：insist两个命令：order,command三个建议：advise,suggest,propose四个要求：demand,require,request,desire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。•我们建议Tom去休息一下。•他坚决要求我到场。•国王命令囚犯明天要实施死刑。•他们要求我们派他们去那儿工作。WesuggestedthatTom(should)havearest.HeinsistedthatI(should)bepresent.Thekingorderedthattheprisoners(should)bekilledthenextday.Theyrequestedthatwe(should)sendthemtoworkthere.B.用于主语从句中It’snecessary/strange/natural/important+that---从句中的动词要用虚拟，即(should)+动词原形•Itisimportantthatwe(should)masteraforeignlanguage.•Itisstrangethatsherefusetocometotheparty.•It’snecessarythatweshouldstudyhard.考题点击：1.Isitnecessarythathe_____theexamination?A.tookB.havetotakeC.musttakeD.take1.Hissuggestionthatyou_____oncemoresoundsreasonable.1.A.tryB.triesC.musttryD.cantry四.用于asif/though(好像是，仿佛）引导的从句现在：过去：过去时过去完成时•Shelovesthebabyasifitwereherownson.•Itseemsasifitwerespring.•Irememberthewholethingasifithadhappenedyesterday.五．用于定语从句：It’s(about/high)time+that–should+V.过去时你该走了。我们该睡觉了。It’shightimethatyouwent.It’shightimethatyoushouldgo.It’stimethatwewenttobed.It’stimethatweshouldgotobed.六.用于Ifonly引导的感叹句（用法同wish）IfonlyIknewhisname!（现在）Ifonlywehadfollowedyouradvice!（过去）IfonlyIcouldseehimagain!（将来）•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!一、虚拟语气在条件状语从句中的用法二、虚拟语气假设条件句型注意点：三、虚拟语气在名词从句中的用法四、用于asif/though引导的从句六、用于Ifonly引导的感叹句（用法同wish）五、用于定语从句：It’s(about/high)time+that–ClassoverThankyou!