M6U3UnderstandingeachotherGrammarandUsageUnrealconditionals执教者：如皋市搬经中学jindongdongLearningaims:Afterlearningthispart,thestudentswillbeableto:1.knowwhatareunrealconditionals;2.useunrealconditionalsofthepresent,pastandfuturetime;3.improvetheabilityofusingunrealconditionals.Learningprocedures:Step1Lead-in(PPT3-4)1.Translatethefollowingsentence.如果我是一只小鸟，我就能飞了。_________________________________________2.Findouttheunrealconditionalsentencesmentionedinreading.______________________________________________________________________________________________________Step2Presentation(PPT5-15).Thethreedifferenttensesinwhichunrealconditionalscanbeused.Ⅰ1.tostateapresentconditionorsituationthatisnotrealorisimaginary.E.g.1）IfIwereyou,Iwouldaskmyparentsforhelp.2）IfIhadthechance,Imightwanttobeadoctor.thePatternweuseinunrealconditionalstostateapresentconditionorsituation.If…were/did…,…would/could/might/shoulddo…Practice:1)假如我有更多的时间，我就学习汉语了。___________________________________________2)要不是她这么忙，她就会出席今天下午的会议了。____________________________________________TIPS:1)Would,couldandmightareofteninterchangeable,butwithsomedifferenceinmeaning.Would→intention;planCould→ability;possibilityMight→probability2)InwrittenEnglishorinformalsituation,weusuallyusewereinIf-clausesinplaceofwas.However,ineverydayconversation,wasisoftenused.2.torefertoanimaginarypastaction.E.g.IfthemanhadpointedwithhisfirstfingerwhilehewasinBrunei,everyonewouldhavethoughtthathewasveryrude.Weformunrealpastconditionalslikethis:If…hadbeen/done…,…would/could/might/shouldhavedone…Practice:1)如果他快一点的话，他就能赶上那趟火车。_______________________________________________2)如果你昨天告诉他，他也许会提些建议。_______________________________________________第1页共3页3.totalkaboutimaginaryfuturesituations.E.g.1)IfIhadtimetomorrow,Iwouldcertainlyhelpyou.2)IfIweretofailmyEnglishtest,Iwouldhavetotakeitagainattheendoftheterm.3)Ifheshouldcometomorrow,Iwouldtalktohimaboutit.Thepatternoftheunrealfutureconditionals:If…were/did/should/wereto…,…would/should/might/coulddo.Practice:1)假如我要出国，我就会去中国。_______________________________________________2)万一明天下雨，我们的运动会就推迟。______________________________________________Conclusion:表示与事实情况相反条件从句的谓语形式主句的谓语形式Ⅱ条件句中虚拟语气的倒装Wecanalsoputshould,wereandhadatthebeginningofanunrealconditionalsentence.Inthiscase,ifisnotneededanymore.E.g.1)Ifyoushouldmakeamistake,youshouldnotbeembarrassed.→_______you_______amistake,youshouldnotbeembarrassed.2)Ifyouhadtoldmeearlier,Iwouldnothavethisproblemnow.→_______you_______meearlier,Iwouldnothavethisproblemnow.3)Ifyouweretotakethetrain,youwouldbetheremuchsooner.→_______you_______________thetrain,youwouldbetheremuchsooner.Tip:如果省略的条件句中的谓语动词是否定形式时,不能用动词的缩略形式.我们可以说:Wereitnotfortheexpense,Iwouldgoabroadnow.但不说:Weren’titfor…Haveatry：____she____yesterday,shewouldhavemetthefamoussinger.A.Hadn’t;leftB.Had;notleftC.If;didn’tleaveD.Didn’t;leaveStep3.Practice(PPT16-25).Fillintheblankswiththeverbsgiveninthebracketsintheirproperforms.Ⅰ1.Youdidn’tletmedrive.Ifwe______(drive)inturn,you______(notget)sotired.2.__________it________(notbe)foryourhelp,Icouldn’thavemadeanyprogress.3.____________it_____________(rain)tom...
