1.英语动词有三种语气,陈述语气,祈使语气和虚拟语气.2.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、虚拟语气定义二、虚拟语气的考点1、一般条件句中虚拟语气的用法;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用法;5、虚拟语气与陈述语气的判定。1、一般条件句中的虚拟语气时间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.IfIhadHIV,IwouldknowbecauseIwouldfeelsick.2.IfIwereyou,IwouldgiveAIDSpatientahug.3.IfIhadtakenyouradvice,Iwouldn’thavemadeamistake.4.Ifhehadbeenthere,itwouldn’thavehappened.与现在事实相反与过去事实相反5.Ifitshouldraintomorrow,theywouldn’tgoforanouting.6.Ithinkwecoulddoit,ifweplanneditproperlyandcouldborrowthetools.7.Ifweweretohavethreedaysoff,wewouldenjoyaveryhappylife.与未来事实相反1.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、条件句中虚拟语气的倒装;假设条件虚拟倒装。条件从句中含有should,were,had三个助动词并且放在句首时,可以把if省略。IfIwereyou,Iwouldgiveitup.WereIyou,Iwouldgiveitup.IfIhadhadtime,Iwouldhaverunroundthatlakeagain.HadIhadtime,Iwouldhaverunroundthatlakeagain.Ifthereshouldbeaflood,whatshouldwedo?aflood,whatshouldwedo?Shoultherebe3.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。•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.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.4、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’shightimethatyouweregoing.It’shightimethatyoushouldgo.It’stimethatwewenttobed.It’stimethatweshouldgotobed.5)without和butfor构成虚拟。(butfor要不...