M6U3 grammar公开课

Unit3UnderstandingeachotherGrammarandusageIwouldn’tbewithyouifyouwerethelastpersononearth!IfIwerethelastpersononearth,youwouldn’tbehere.Iwouldn’tbewithyouifyouwerethelastpersononearth!IfIwerethelastpersononearth,youwouldn’tbehere.IfIwereasuperhero,guesswhichoneIwouldbe?虚拟语气SubjunctiveMoodUnrealconditionals(非真实条件句)在英语句子中,谓语动词的语气是用来表示说话人对所说内容的态度、看法以及心情等。英语中常见的谓语动词的语气有三种:1.直陈语气用于直截了当地陈述事实、描述状态。例如:Edward,youplaysowell.ButIdidn’tknowyouplayedthepiano.2.祈使语气用于提出请求、命令、建议或是劝告等。例如:Bequiet,please.Goandwashyourhands.Lookout！Danger！Noparking.3.虚拟语气用于表示主观愿望或假设的虚拟情况。虚拟语气中说话者所讲的内容往往是与事实相反的；或是其实现的可能性微乎其微,甚至没有实现的可能性,但是有时为了使说话的语气客气、缓和、委婉,也使用虚拟语气。IfIwereasuperhero,guesswhichoneIwouldbe?1.Unrealconditionalsforthepresent•IfIworkedhard,Imighthavemoney.•IfIhadalotofmoney,Icouldbuyaticket.•IfIboughtaticket,Iwouldbeonboard.FindtherulesIf从句谓语形式主句谓语形式presentwere/did过去式Would/could/should/might+do•IfIworkedhard,Imighthavemoney.•IfIhadalotofmoney,Icouldbuyaticket.•IfIboughtaticket,Iwouldbeonboard.也许能够会Practice1:Page40•IfIhadn’twontheticket,Iwouldn’thavebeenonboard.•IfIhadn’tbeenonboard,Iwouldn’thavemetyou.2.UnrealconditionalsforthepastIf从句谓语形式主句谓语形式pasthaddoneWould/could/should/might+havedone过去完成式Practice1:CorrectthemistakesIfTomhadbeenmorecarefulintheexam,hewouldpassitalready.havepassedPractice2:Rewritethefollowingsentencesusingunrealconditionals1.Jackwonhisthird-classticketinapokergameandmetabeautifulgirlcalledRoseonboard.__________________________________________________________________________2.Unfortunately,theshipstuckaniceberganditsank._________________________________________________________IfJackhadn’twonhisthird-classticketinapokergame,hewouldnothavemetRose.Iftheshiphadnotstruckaniceberg,itwouldnothavesunk.Practice:Page413.UnrealconditionalsforthefutureIfhecametomorrow,Icouldtalktohimaboutit.Ifheweretocometomorrow,Icouldtalktohimaboutit.Itheshouldcometomorrow,Icouldtalktohimaboutit.FindtherulesIf从句谓语形式主句谓语形式futurewere/didWould/could/should/might+dowereto/shoulddo虚拟条件句的从句中如果有助动词were、had或should,可以去掉if后用倒装句语序。IfIhadhelpedhim,hewouldhavepasstheexam.___________________,...IfIshouldbeavailable,Iwouldcome._____________________,...HadIhelpedhim，.ShouldIbeavailableIfshewerenotmydaughter,Iwouldnotgiveherthoughtsashit._______________________,...Wereshenotmydaughter（2014天津卷）________themorningtrain,hewouldnothavebeenlateforthemeeting.A.DidhecatchB.shouldbecatchC.hashecaughtD.HadhecaughtD(2012•温州高二检测)_____theclouds,youwouldfindtheairplaneintheskyeasily.A．HaditnotbeenforB．IfitwerenotC.IfithadnotbeenforD．WereitnotforD当条件状语从句所表示的行为和主句表示的行为所发生的时间不一致时,被称为“错综时间条件句”。在这种情况下，应该按照句中所表述的时间关系，再选择相应的虚拟形式。RightorWrong?Ifyouhadlistenedtome,youwouldn’tbeinsuchtroublenow.√(2013天津）Ifhe___________(spend)moretimepracticingspeakingEnglishbefore,he__________(be)abletospeakitmuchbetternow.hadspentwouldbe【改错】(2013北京）Ifwebookedatableearlier,wecouldn’tbestandinghereinaqueue.had（2012福建）Welostourwayinthatsmallvillage,otherwisewe________moreplacesofinterestyesterday.A.visitedB.hadvisitedC.wouldvisitD.wouldhavevisitedD含蓄条件句《金榜P41》