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1、Canyoucometomyparty?(Wouldyouliketocometomyparty?)Canyouswim?Yes,Ican.No,Ican’t.Canyoudance?Yes,Ican.No,Ican’t.Canyouplaysoccer?No,Ican’t.Yes,Ican.December11thCanyoucometomybirthdayparty?Sure,I’dloveto.Sorry,Ican’t.I…Canyoucometo……?表示面对面的邀请，或征求对方的意见肯定回答：Sure/Yes.I’dloveto.否定回答：Sorry,Ican’t.Step
2、1:PresentationsI’mfreethisweekend,butnextweekendIwillbebusy.Ihavetogotothedoctor.(gotoseeadoctor)Ihavetostudyforatest.Ihave/takeapianolesson.Whycan’tyoucometotheparty?Iamgoingtothemovies.Hehasaconcert.Whycan’the/shecometotheparty?Heisplayingbasketball.Shehastovisitheraunt.Review:birthdaypartyA:
3、Canyoucometomybirthdayparty?B:Sure,I’dloveto.A:Canhecometomybirthdayparty?B:Yes,hecan.Gototheconcert去参加音乐会StudyforthemathtestA:Canyougototheconcert?B:I’msorry,Ican’t.Ihavetostudyforthemathtest.A:Canhegototheconcert?B:No,hecan’t.Hehastostudyforthemathtest.GotothemoviesgotothedoctorA:Canyougototh
4、emovies?B:I’msorry,Ican’t.Ihavetogotothedoctor.A:Canhegotothemovies?B:No,hecan’t.Hehastogotothedoctor.GotothezooHaveapianolessonCanyougotothezoo?Sorry,Ican’t.Ihavetohaveapianolesson.Canhegotothezoo?No,hecan’t.Hehastohaveapianolesson.PlaycomputergamesHelpmyparentsCanyouplaycomputergameswithme?So
5、rry,Ican’t.Ihavetohelpmyparents.Cansheplaycomputergameswithme?No,shecan’t.shehastohelpherparents.PlaysoccerVisitmyauntCanyouplaysoccer?Sorry,Ican’t.Ihavetovisitmyaunt.Cansheplaysoccer?No,shecan’t.shehastovisitheraunt.EG.Shehastogotoschoolbybus.她不得不乘公共汽车去上学。Ifyougetill,youwillhavetoseethedoctor.
6、如果你生病的话，你就得看医生。Ihadtostudyforthemathtestyesterday.昨天，我得学习，为数学考试做准备。Haveto用法在一般现在时中，当主语是第三人称单数时，要用hasto,其余人称用haveto；一般将来时中用willhaveto.一般过去时中用hadto；Doyouhavetodoeverything?什么事都得你干吗？Shedoesn’thavetocomethisafternoon.今天下午她不必来。haveto的疑问及否定形式借助助动词do,does.Step1:Presentationshaveapianolessonstudyforate
7、stgotothedoctorhelpmyparentsvisitmyauntWhatdoyouhavetodonextweekend?Ihaveto…Ihavetohelpmyparents.我不得不帮助我的父母。helpsb.withsth.或helpsb(to)dosth.上一句我们可以说：Ihavetohelpmyparentswiththehousework.或说Ihavetohelpmyparents(to)dothehousework.Enj
