虚拟语气(subjunctivemood)虚拟语气用来描述与客观事实相反的情况或者不太可能发生的情况，也可以表示说话人的主观愿望或假想。虚拟语气通过谓语动词的特殊形式来表示.1.IfIhadtakenyouradvice,Iwouldn’thavemadeamistake.2.IfIwereyou,Iwouldnotlethimknowthetruth.3.Ifweweretohavethreedaysoff,wewouldenjoyaveryhappylife.过去现在将来第三类If……,……If从句的谓语形式主句的谓语形式现在过去将来did/werehaddone1did/were2shoulddo3weretodowould/could/should/might+dowould/could/should/might+havedonewould/could/should/might+do1.Ifit____________________________(rain)tomorrow,theshowwouldbeputoff.2.IfIhadknownthat,I_____________________(notdo)so.rained/shouldrain/weretorainwouldnothavedonewereIwishI_______(be)astallasYaoMing.IwishitIwishitwouldwouldraintomorrow.raintomorrow.IwishI____________(noteat)somuchwatermelonlastnight.hadn’teatenwishwishwishwish+did/were(+did/were(与现在事实相反的愿望与现在事实相反的愿望))+haddone(+haddone(与过去事实相反的愿望)+would/could/might+do(将来不大可能实现的愿望)1111Hebehavesasifhe________(own)thehouse.ownedHetalksaboutRomeasthoughhe____________(be)thereforalongtime.(注意时间差异)hadbeenasif/though+从句现在：过去：过去时过去完成时•1.Shelovesthebabyasifit____(be)herownson.2222were2.Itlookedasif/thoughthey(know)______________eachotherverywell.hadknown1.Itseemsasif/thoughthemeeting________(will)neverend.于系V.(look,sound,taste,smell,seem)后表示与事实相反的情况would2.Helooksasifhe________(be)drunk.were1.Itseemsasifhehasnoworries.2.Itseemsasifhehadnoworries.（表示没有烦恼，接近事实）（表示仿佛就像没有烦恼，其有实很多烦恼）他似乎没有烦恼。asif/though也可以引导事实或有很大可能性的事实的表语从句，常在look,sound,taste,smell,seem后,用陈述语气。看起来马上就要下雨了。Itlooksasifitrain.isgoingto/will有迹象表明，接近事实，陈述句Ifonly…(要是…就好了，事实相反)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！•要是她来就好了。Ifonlyourparentscouldlivewithus!IfonlyIhadn’tmissedthetrain!3333Ifonlyshewouldcome.wouldrather(that)-宁愿现在：过去：未来：•Iwouldratheryou_____(pay)menow.(现在)•Iwouldratheryou_________(go),too.(过去)•Don’tcomenow.Iwouldratheryou________(come)tomorrow.(未来)过去时过去时过去完成时4444paidhadgonecame---DoyoumindifIleavethewindowopen?---Well,I’dratheryou_____.A.don’tB.didn’tC.won’tD.mustn’t第二类（should可省略）do1.insist/order/command/suggest/advise/recommend/demand/require/request/ask+that(宾从)2.insistence/order/command/suggestion/proposal/advice/recommendation/demand/requirement/request/decision+that（表语从句，同位语从句）1.Theteacherorderedthatwe_________________(不能离开)theclassroom.2.Tomgaveusagoodsuggestionthatwe（上网）_____________________forsomeinformation.（should）notleave(should)surftheinternetThedatasuggeststhattheWestLake_____________(be)pollutedseriously,sothegovernmentsuggeststhatwe__________(unite)togetherand_______(take)someeffectivemeasurestoprotectit.hasbeen(should)unite1、表明（陈述）2、建议（虚拟）takeTheoldmaninsistedthathe_______(be)ingoodconditionandthathe_________________(notsend)tothehospitalforaphysicalexamination.was(should)notbesentInsisted1坚持认为（陈述）2坚决要求（虚拟）3.(1)Itbe+V-pp+thatordered/commanded/suggested/proposed/advised/requested/required/decided…(2)Itbe+adj.+thatimportant/necessary/essen...
