虚拟语气SubjunctiveMood(I)GRAMMER语法陈述语气Iwenttothetheatreyesterday.Jackhadn’tcomebackhomeyet.祈使语气Let’sgo.Don’ttouchanythingonthetableuntilthebellrings.一.语气的分类虚拟语气IfIwereyou,Iwouldnotleaveheralone.Ourteachersuggestedthatwegotothelibrarythisafternoon.条件句表示主句的条件,分真实条件句和虚拟条件句两种。a.真实条件句表示条件是真的或有可能实现的,采用陈述语气。b.虚拟条件句表示条件是无法实现或几乎无法实现的,采用虚拟语气。真实条件句真实条件句用于陈述语气,假设的情况可能发生,其中if是如果的意思。时态关系句型:条件从句主句一般现在时shall/will+动词原形Ifhecomes,hewillbringhisviolin.Thevolleyballmatchwillbeputoffifit___.A.willrainB.rainsC.rainedD.israined答案B真实条件句主句为将来时,从句用一般现在时。注意:在真实条件句中,主句不能用begoingto表示将来,该用shall,will.(错)Ifyouleavenow,youarenevergoingtoregretit.(对)Ifyouleavenow,youwillneverregretit.二.‘if’虚拟条件句的概念由‘if’引导的虚拟条件句叫作‘if’虚拟条件句IcouldeasilyrecognizeifIhadseenhimbefore.三.ifSentenceStructure‘if’虚拟条件句的结构a.表示与现在事实相反的假设b.表示与过去事实相反的假设c.表示与将来事实相反的假设1.虚拟语气用于条件状语从句中(1)表示与现在事实相反的假设,条件状语从句中的谓语动词用“过去式(be动词的过去式用were)”,而主句中的谓语动词“would/should/could/might+动词原形”。虚拟语气IfIwereaboy,Iwouldjointhearmy.Whatwouldyoudoifyouwonthelottery?IfIwonthelottery,Iwould…IfIwonthelottery,Iwouldbuyanexpensivecar.IfIhadalotofmoneyIwouldbuyavilla.IfIhadalotofmoneynow,Iwouldtravelaroundtheworld.Ifitwerefinenow,Iwouldgoshopping.a.Ifthey____(be)here,they__________(take)youradvice.b.Iftheworld-war_____(burst)outagain,what_____________(happen)toourpeopleonearth?werewouldtakeburstwouldhappenPRACTICE1:Fillintheblanks.c.Ifthepoliceman________(benot)inthatroom,it________(be)verydangerous.d.IfI____(be)inyourposition,I_________(ask)forteacher’shelp.werenotcouldbewerewouldask2.与过去的事实相反从句的谓语用had+过去分词,构成IfI(we,you,he,they)+had+过去分词的形式;主句的谓语用should(第一人称)/would(第二、三人称)/could/mighthave+动词过去分词。Ifhe__________morecarefully,he_________________thecaraccidentyesterday.haddrivenwouldnothavehadIfI________howtoswim,I__________________trappedinthisisland.hadlearntwouldnothavebeena.IfTom________(be)morecarefulintheexam,he________________(pass)italready.b.Ifyou_______(get)upearlier,you________________(catch)thefirsttrain.hadbeenwouldhavepassedhadgotwouldhavecaughtPRACTICE2:Fillintheblanks.c.IfI_______(meet)youyesterday,we______________(go)totheconcerttogether.hadmetwouldhavegone3.与将来事实相反从句的谓语用IfI(we,you,he,they)+动词过去式或weretodo或shoulddo形式,主句谓语用should(第一人称)/would(第二、三人称)/could/might+动词原形。Ifhegotupearly,hewouldbeontime.假如他来了,我们对他说什么呢?Ifheweretocome,whatshouldwesaytohim.假如他看见我,就会认识我。Ifheshouldseeme,hewouldknowme.a.Ifthere________(be)nonaturalresourceanymore,we___________(make)useofnuclearpower.b.What____________(happen)ifyou____________(getup)toolatetomorrow?shouldbeshouldmakewouldhappenshouldgetupPRACTICE3:Fillintheblanksc.IfRobots_____________(control)theworldsomeday,here________(be)nofriendship.weretocontrolwouldbe二.虚拟语气在宾语从句中的用法在动词wish后的宾语从句中,表示与现在或过去的事实相反,或对将来的主观愿望,从句通常省略连词that。1)表示对现在情况的虚拟:从句动词用过去式或过去进行式(be动词一般用were)。IwishIwereastallasyou.IwishIwereabird.Iwisheverydayweremybirthday.Iwish/wishedIhadn’teatensomuchwatermelon.(2)表示对过去情况的虚拟:从句动词常用“had+过去分词”。Thepartywasterrible,IwishIhadnevergonetoit.(3)表示对将来的主观愿望:从句动词形式为“would+动词原形”。注意:主句的主语与从句的主要不能相同,因为主句的主语所期望的从句动作能否实现,取决于从句主语的态度或意愿(非动物名词除外)。但愿你立刻来。Iwishyouwouldcomesoon.Iwishitwouldraintomorrow.含义动词形式例句If从句主句与事实相反现在将来过去过去时形式would/should/could/might+动词原形Ifwehadenoughmoney,wewouldbuyacomputernow.过去时形式Ifitrainedtomorrow,wewouldstayathome.wereto+动词原形IfIweretoask,wouldyouhelpme?should+动词原形Ifitshouldbenecessary,Icouldcomeatsix.过去完成时would/should/could/might+havedoneIfyouhadgotthereearlier,youwouldhavecaughtthebus.wish后的宾语从句含义动词形式例句针对现状表达愿望(与事实相反)过去时形式IwishIhadalittlelabofmyown.对过去发生的事情表示遗憾或后悔过去完成形式Iwishyouhadletmeknowearlier.针对将来表达愿望(虽然可能性极小,但有实现的可能)would/could/might+动词原形Shesincerelywishedthatshemightdosomethingtocomforthim.wish后的宾语从句中常用were代替wasIwishTessawereherenow.动词hope后面不用虚拟语气,而用相应的时态表示与过去,现在或将来有关的希望Ihopeshewasn’tlate.Ihopeheisready.Ihopehewillcometomorrow.Iwishshehadnotbeenlate.Iwishhewereready.Iwishhewouldcometomorrow.关于虚拟语气辩析1关于虚拟语气辩析2关于虚拟语气辩析3关于虚拟语气辩析4关于虚拟语气辩析5句型练习(用IfIwereyou句型翻译下列句子)1.我要是你的话,我就会把英语学好。2.如果你昨天来,你就会看见他。3.万一明天下雨,我们就不到那儿去。4.我希望我十年前认识他。5.他对待我就像对待他自己的儿子一样。Homework