IF条件句中的虚拟语气(微课)

STARTheSubjunctiveMoodInIf--clause虚拟语气在if条件句中的用法ByVivianIfIwereaboyIfIwereaboyIthinkIcouldunderstandHowitfeelstoloveagirlIswearI'dbeabettermanI'dlistentoherWhatissubjunctivemood？Subjunctivemoodisaspecialformofverbs.(动词变态)Theyrefertoawishthatcan'tbetrue.(所说的话不是事实，而是假设、愿望等。)Contrarytothepresent01Contrarytothepast02Contrarytothefuture03TheSubjunctiveMoodInIf--clausesIf从句的谓语形式主句的谓语形式动词过去式would/could/should/might（not）+动词原形如果我是一只鸟IfIwereabird,Iwouldhavetwowings;IfIhadtwowings,Iwouldflyhighinthesky;（be一律用were）1、---Mom,ifI(be)you,I(notask)mysontostudyatweekends.---Unfortunately,youarenot.2、Ifhe(win)thelottery(彩票),he(travel)aroundtheworld.werewouldn'taskwonwouldtravelIfJackhadn'tbeenontheTitanic,hewouldn'thavemetRose.IfJackhadn'tbeenontheTitanic,hewouldn'thavemetRose.If从句的谓语形式主句的谓语形式had(not)+donewould/could/should/might(not)+havedoneIfJack(notmeet)Rose,they(notfall)inlovewitheachother.hadn'tmetwouldn'thavefallenIfTitanic(notsink)then,JackeandRose(marry).hadn'tsunkwouldhavemarriedTips：Ifsbhad(not)done,sbwould/should/could/might+havedone.TheSubjunctiveMoodInIf--clause口诀：（动词时态）1、从句往前推2、主句4+1If从句的谓语形式主句的谓语形式与现在事实相反与过去事实相反动词过去式（be→were）haddonewould/could/should/might动词原形havedoneContrarytothefutureHomeworkTHANKYOU