高中英语虚拟语气的用法

虚拟语气I.虚拟语气在条件句中的三种情况：1.表示“不太可能出现的情况”：从句一般过去时，主句用would/should/could/mightdo.如：IfIwereyou,Iwouldaccepttheoffer.IshouldbesurprisedifIwaslessthanfivepounds.2.表示“本可能发生却没有发生的事情”：从句用过去完成时，主句用would/should/could/mighthavedone.如：Ifhehadtakenthedoctor’sadvice,hemightnothavediedsosoon.3.表示“将来不太可能出现的情况”：从句用shoulddo，weretodo,主句用would/should/could/mightdo.如：Ifitshouldraintomorrow,thesportsmeetwouldhavetobeputoff.II.虚拟语气用于Iwish的宾语从句中表现在：动词用一般过去时和过去进行时表过去：动词用过去完成时和过去完成进行时表将来：动词用would/coulddo.例如：Iwishheweren’tsolazy.Iwishtheycouldhavecometomyparty.Iwisheverythingwouldbeasquietasbefore.III.Itis(high)time从句中表示“该做而没有作的事情”，动词用一般过去时。如：It’sthehightimewebegantowork.It’sthehightimewewenthome.IV.表示“建议、要求、命令”动词的宾语从句中askadvisecommandinsistdemandrequiresuggestorderproposedecideurge这些词从句谓语用虚拟语气shoulddo，should可省略。例如：HeinsistedthatJohnshoulddothisjob.Theuniondemandedthewageberaisedby20%.Wesuggestedthemeetingnotbepostponed.Exercises表示应该发生却没有发生表示不太可能的情况2.Choosethebestanswer.1)Ifyou_____toseeSara,whatwouldyoutellher?A.areB.willbegoingC.hadD.were2)IfI____harderatschool,Iwouldbesittinginacomfortableofficenow.A.hadworkedB.workedC.hadbeenworkingD.wereworkingDA3)IwishI____thismorning,butIhadtogetupandcometoclass.A.couldhavesleptB.sleptC.mighthavesleptD.havesleptA表示过去时间不现实的愿望4)“Youareveryselfish.It’shightime_____youarenotthemostimportantpersonintheworld.”Edgarsaidtohisbossangrily.A.haverealizedB.realizedC.realizeD.shouldrealize表示是时间该作某事（但没做）B5)____formyillness,Iwouldhavelenthimahelpinghand.A.NotbeingB.HaditnotbeenC.WithoutbeingD.NothavingbeenB表示“要不是…”Had提前，倒装Doexercisesonyourworkbook.