表示过去情况的虚拟语气

过去虚拟语气和陈述语气的过去式相同，但动词be要用were形式表示过去情况的虚拟条件句1.表示过去情况的虚拟条件句动词形式可以下表表示条件从句中的谓语主句谓语相当于过去完成时的形式haddoneWouldhave+过去分词这类句子表示与事实相反的情况或实现可能性不大的情况IfIhadknownyouwerecoming,Iwouldhavemetyouattheairport.(但是我不知道)Ifanythinghadhappened,hewouldhaveleftusknow.在主句中，如果主语是第一人称，也有人用should构成谓语。Ishould(would)havetalkedtomotherifIhadthoughtofit.Ishould(would)neverhavedoneit,ifhadn’tbeensohardup.2.主句也可以用could和might构成谓语Ifmyfatherhadlived,hecouldhavedoneallthisforme.有时可以用should（应当）构成谓语Ifhehadreceivedthepresent,heshouldhavethankedher.例题:—Ifhe__________，he__________thatfood.—Luckilyhewassenttothehospitalimmediately.A.waswarned，wouldnottakeB.hadbeenwarned，wouldnothavetakenC.wouldbewarned，hadnottakenD.wouldhavebeenwarned，hadnottaken此题应选B。该题考查与过去事实相反的虚拟语气：此时条件从句的谓语用had+过去分词，主句的谓语用would(should，could，might)+have+过去分词1.Ifshehadworkedharder，she__________.A.wouldsucceedB.hadsucceededC.shouldsucceedD.wouldhavesucceeded2.Ifmylawyer________herelastSaturday，he_________mefromgoing.A.hadbeen;wouldhavepreventedB.hadbeen;wouldpreventC.were;wouldD.were;wouldhaveprevented3.Ididn’tseeyoursisteratthemeeting.Ifshe__________，shewouldhavemetmybrother.A.hascomeB.didcomeC.cameD.hadcome4.Youdidn’tletmedrive.Ifwe________inturn，you__________sotired.A.drove;didn’tgetB.drove;wouldn’tgetC.weredriving;wouldn’tgetD.haddriven;wouldn’thavegot