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《八上 U9 Section A-2.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Unit9SectionAPeriod2(3a-3c)A:Canyoucometomybirthdayparty?B:Sure,I’dloveto.birthdaypartyA:Canyougototheconcert?B:I’msorry,Ican’t.Ihavetoprepareforanexam.gototheconcertprepareforanexamA:Canyougotothemovies?B:I’msorry,Ican’t.Ihavetogotothedoctor.A:Canhegotot
2、hemovies?B:No,hecan’t.Hehastogotothedoctor.gotomoviesgotothedoctorA:Canyougotothezoo?B:Sorry,Ican’t.Ihavetohelpmyparents.A:Canhegotothezoo?B:No,hecan’t.Hehastohelphisparents.gotothezoohelpmyparentsA:Canyouplaycomputergameswithme?B:Sorry,Ican’t.Ihavetogoto
3、thebaseballgame.A:Canheplaycomputergameswithme?B:No,hecan’t.Hehastogotothebaseballgame.playcomputergamesgotothebaseballgameA:Canyouplaysoccerwithme?B:Sorry,Ican’t.IhavetowatchTV.A:Cansheplaysoccer?B:No,shecan’t.ShehastowatchTV.playsoccerwatchTVAccept(接受)i
4、nvitations: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Sure,I’dlove/liketo.，否定回
5、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。Explanation单项填空---CanyouhelpmewithmyEnglishthisweekend?---Sorry,I______.Ihavealotofhomeworktodo.A.can’tB.mustn’tC.needn’tD.don’t答案：A题意：“请问这个周末你能帮我学习英语吗
6、？”“对不起，我不能。我有很多作业要做”。不能答应他人的请求时常用“(I’m)Sorry,Ican’t.”。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c
7、an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。试将下面三种话分别写成（1）一般疑问句，并作肯定回答。（2）否定句。a.Theyhavetogototheparty.Dotheyhavetogototheparty?Yes,theydo.Theydon’thavetogototheparty.b.Hehastogotoseethedoctor.Doeshehavetogot
8、oseethedoctor?Yes,hedoes.Hedoesn’thavetogotoseethedoctor.c.Shehadtostudyforamathtestyesterday.Didshehavetostudyforamathyesterday?Yes,shedid.Shedidn’thavetostudyforamathyesterday.haveto与must二者都有“必须”之意，但haveto表示“客观上的需
