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1、Period2SectionA(GF-3c)Unit9Canyoucometomyparty?学习目标Keywords&phrases:invite，accept，refuse，studyforamathtest，ontheweekend，practicetheviolinKeysentences:1.—CanyoucometomypartyonSaturday?—Sure，I'dloveto./Sorry，Imuststudyforamathtest.2.—Canshegotothebaseballgame?—No，
2、she'snotavailable.Shemustgotothedoctor.Make,acceptanddeclineinvitations.A:Canyoucometomybirthdayparty?B:Sure,I’dloveto.birthdaypartyReviewA:Canyougototheconcert?B:I’msorry,Ican’t.Ihavetoprepareforanexam.gototheconcertprepareforanexamA:Canyougotothemovies?B:I’mso
3、rry,Ican’t.Ihavetogotothedoctor.A:Canhegotothemovies?B:No,hecan’t.Hehastogotothedoctor.gotomoviesgotothedoctorA:Canyougotothezoo?B:Sorry,Ican’t.Ihavetohelpmyparents.A:Canhegotothezoo?B:No,hecan’t.Hehastohelphisparents.gotothezoohelpmyparentsA:Canyouplaycomputerg
4、ameswithme?B:Sorry,Ican’t.Ihavetogotothebaseballgame.A:Canheplaycomputergameswithme?B:No,hecan’t.Hehastogotothebaseballgame.playcomputergamesgotothebaseballgameA:Canyouplaysoccerwithme?B:Sorry,Ican’t.IhavetowatchTV.A:Cansheplaysoccer?B:No,shecan’t.ShehastowatchT
5、V.playsoccerwatchTVAccept(接受)invitations:Sure/Yes/Ofcourse,I’dloveto.Certainly,I’dliketo.Decline(拒绝)invitations:I’msorry,Ican’t.Ihavetolookaftermygrandmother.Ihavetostudyforamathtest.Iamgoingshoppingwithmyfriend.…Canyou...?意为“你能……吗？”，可用于邀请别人或委婉地请求某人去做某事。其肯定回答常用S
6、ure,I’dlove/liketo.，否定回答常用I’msorry,Ican’t./Sorry,Ican’t.等。如：--Canyougotothebaseballgame?你能去参加棒球比赛吗？--I’msorry,Ican’t.对不起，我不能。ExplanationPresentation情态动词haveto与其他的情态动词如can,may,must和should不同。（1）这4个情态动词没有人称的变化,而haveto有。它的第三人称单数为“hasto”。You/Heshouldstudyhard.你/他应该好好
7、学习。Hehastostudyhard.他不得不好好学习。haveto的用法（2）这4个情态动词在一般疑问句中将它们放在句首,在否定句中直接在他们后边加not即可。我们以can为例:Canhegowithus?他能和我们一起去吗？Hecan’tgowithus.他不能和我们一起去。而haveto要加助动词do,does或did才可能完成其疑问、否定句。试将下面三句话分别写成1）一般疑问句，并作肯定回答。2）否定句。a.Theyhavetogototheparty.Dotheyhavetogototheparty?Yes
8、,theydo.Theydon’thavetogototheparty.b.Hehastogotoseethedoctor.Doeshehavetogotoseethedoctor?Yes,hedoes.Hedoesn’thavetogotoseethedoctor.c.Shehadtostudyforamathtestyeste
