虚拟语气SubjunctiveMood陈述语气Iwenttothetheatreyesterday.Jackhadn’tcomebackhomeyet.祈使语气Let’sgo.Don’ttouchanythingonthetableuntilthebellrings.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。二.‘if’虚拟条件句的概念三.ifSentenceStructure‘if’虚拟条件句的结构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”。Whatwouldyoudoifyouwonthelottery?IfIwonthelottery,Iwould…IfIwonthelottery,Iwouldbuyanexpensivecar.IfIhadalotofmoney,Iwouldbuyavilla.IfIhadalotofmoneynow,Iwouldtravelaroundtheworld.Ifitwerefinenow,Iwouldgoshopping.a.Ifthey____(be)here,they__________(take)youradvice.b.Iftheworld-war_____(burst)outagain,what_____________(happen)toourpeopleonearth?c.Ifthepoliceman________(benot)inthatroom,it________(be)verydangerous.d.IfI____(be)inyourposition,I_________(ask)forteacher’shelp.Chooseoneofthetopicsanddiscussitingroups.IfI____ateacher,I….Ifhe__________morecarefully,he_________________thecaraccidentyesterday.IfI________howtoswim,a.IfTom________(be)morecarefulintheexam,he________________(pass)italready.b.Ifyou_______(get)upearlier,you________________(catch)thefirsttrain.c.IfI_______(meet)youyesterday,we______________(go)totheconcerttogether.Solveproblems3.与将来事实相反Ifyousucceeded,everythingwouldbeallright.Ifyoushouldsucceed,everythingwouldbeallright.Ifyouweretosucceed,everythingwouldbeallright.Ifhegotupearly,假如他来了,我们对他说什么呢？a.Ifthere________(be)nonaturalresourceanymore,we___________(make)useofnuclearpower.b.What____________(happen)ifyou____________(getup)toolatetomorrow?c.IfRobots_____________(control)theworldsomeday,here________(be)nofriendship.主句与从句的动作发生在不同的时间,这时主从句位于动词的虚拟语气形式因时间不同而不同,这叫做混合条件句。例句中从句与过去事实相反,主句与现在事实相反。Ifyouhadaskedhimyesterday,youwouldknowwhattodonow.Ifthestaffhadbeenmorecareful,条件从句条件从句条件从句二.虚拟语气在宾语从句中的用法IwishIwereastallasyou.Iwisheverydayweremybirthday.Iwish/wishedIhadn’teatensomuchwatermelon.Thepartywasterrible,IwishIhadnevergonetoit.(3)表示对将来的主观愿望:从句动词