Unit5Canyoucometomyparty?A:Canyouswim?B:Yes,Ican./No,Ican’t.A:Canyouplayfootball?B:Yes,Ican./No,Ican’t.表示能力的回答LanguageGoals:MakeinvitationsDeclineinvitationsacceptinvitationsTalkaboutobligationsA:Canyoucometomybirthdayparty?A:Canyoucometomybirthdayparty?B:Sure,I’dlove\liketo.B:Sure,I’dlove\liketo.接受邀请的回答A:Canyoucometomybirthdayparty?B:Sure,I’dlove\liketo.A:Canyoucometomybirthdayparty?B:Sure,I’dlove\liketo.A:Canyoucometomybirthdayparty?B:Sorry,Ican’t.Ihaveto…拒绝邀请的回答helpmyparents.WorkinpairsWorkinpairsWorkinpairsWorkinpairsA:Canyoucometomybirthdayparty?B:Sorry,Ican’t.…自由操练可参考图片自由操练可参考图片Ihavetoprepareforanexam.Explanation1.can的用法（１）表邀请。若接受邀请，回答为：OK./Allright./Sure./Ofcourse./Certainly./Yes(Sure),I’dlove(like)to.若不接受邀请，回答为：Sorry,Ｉcan’t.(+原因)eg.Canyoucometotheparty?Yes/Sure,I’dlove/liketo.Sorry,Ican’t.Ihavetohelpmyparents.其他表邀请的句型:1)Could/Will/Wouldyoucometotheparty?2)Wouldyoulike/lovetocometotheparty?3)Ihopeyoucometotheparty.4)Pleasecometotheparty.5)How/Whataboutcomingtotheparty?（２）表能力“能，会”否定句can’t不能eg.Hecanswim,butIcan’t.Howlongcanyoustayunderwater?（３）在否定句，疑问句中表示“不可能”或“一定不”eg.Canhecome?No,hecan’tcome.（他会来吗？不，他不能来．）2.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和数的变化,而haveto有。它的第三人称单数为“hasto”,过去时为hadto,如：Heshouldstudyhard.他应该好好学习。Hehastostudyhard.他不得不好好学习。（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,hasto要加助动词does,还原havetohadto要加助动词did,还原haveto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，并做肯定回答。（2）否定句。1:Theyhavetogototheparty.Dotheyhavetogototheparty?Yes,theydo.Theydon’thavetogototheparty.2：Hehastogotoseethedoctor.Doeshehave...
