虚拟语气（二态）考点一：如果后面是条件条件时态要向前结果三“弟”一“妹”在中间时间if从句谓语形式主句谓语形式过去haddonewould/should/might/couldhave+done现在did(be用were)would/should/might/could+do将来did(be用were)should+dowereto+dowould/should/might/could+doIfIhadseenthefilm,Iwouldhavetoldyouaboutit.Ifheweretocomehere,hewouldtellusaboutitIfIhadgotthereearlier,IwouldhavemetMr.Li.Ifhestudiedatthisschool,hewouldknowyouwellIfheshouldgotoQingHuaUniversity,hewouldmakefulluseofhistime.Ifhemyadvice,hewouldn'thavelosthisjob.A.followedB.shouldfollowC.hadfollowedD.wouldfollow2009年天津卷Thisprinterisofgoodquality.Ifit_______breakdownwithinthefirstyear,wewouldrepairitatourexpense.wouldB.shouldC.couldD.MightIfwe___theotherroad,wemighthavearrivedhereintimeforthemeeting.A.takeB.hadtakenC.tookD.havetaken注意：1错综虚拟Iftheyhadinformedus,wewouldnotcomeherenowIfIhadworkedhardatschool,Iwouldbeanengineer,tooMaybeifI___science,andnotliteraturethen,Iwouldbeabletogiveyoumorehelp.A.studiedB.wouldstudyC.hadstudiedD.wasstudying2无if的如果Whatwouldyoudowithonemilliondollars？Butforhishelp,wewouldbeworkingnow.Withoutyourinstruction,Iwouldnothavemadesuchgreatprogress.2011陕西卷）22.I__________throughthatbitterperiodwithoutyourgeneroushelp.A.couldn’thavegoneB.didn’tgoC.wouldn’tgoD.hadn’tgone3真真假假Iranallthewaytoschool,otherwise（or）IwouldhavebeenlateImighthavegivenyoumorehelp，butIwastoobusy..Bobwouldhavehelpedusyesterday,buthe-_______wasbusyB.isbusyC.hadbeenbusy.D.willbebusyI______soonerbutIdidn’tknowthattheywerewaitingforme.A.hadcomeB.wascomingC.wouldcomeD.wouldhavecome4去if提hadwereshouldIfheshouldactlikethatagain,hewouldbefined。Shouldheactlikethatagain,hewouldbefined.Ifheweretoactlikethatagain,hewouldbefined.Werehetoactlikethatagain,hewouldbefined.Ifheactedlikethatagain,hewouldbefined.Ifthedoctorhadcomeintimelastnight,theboywouldhavebeensaved.Hadthedoctorcomeintimelastnight,theboywouldhavebeensaved.3).IfIhadtimenow,Iwouldgotothefilmwithyou.HadIknownaboutthiscomputerprogram,ahugeamountoftimeandenergy.A．wouldhav