1、Unit 9 Can you come to my party?A: Can you swim?B: Yes, I can. /No, I cant. A: Can you play football?B: Yes, I can. /No, I cant. 表示能力的回答Language Goals:Make invitationsDecline invitations accept invitationsTalk about obligationsA: Can you come to my birthday party?B: Sure, Id love like to.接受邀请的回答A: C
2、an you come to my birthday party?B: Sure, Id lovelike to.A: Can you come to my birthday party?B: Sorry, I cant. I have to 拒绝邀请的回答help my parents. Work in pairsA: Can you come to my birthday party?B: Sorry, I cant. 自由操练 可参考图片I have to prepare for an exam .Explanation 1. can 的用法 （）表邀请。若接受邀请， 回答为：OK./A
3、ll right./Sure./ Of course./Certainly./Yes(Sure),Id love(like) to.若不接受邀请， 回答为：Sorry, cant.(+原因 )eg . Can you come to the party? Yes/Sure,Id love/like to. Sorry,Icant. I have to help my parents.其他表邀请的句型 :1) Could /Will/Would you come to the party?2) Would you like /love to come to the party?3) I hope
4、 you come to the party.4) Please come to the party.5) How/What about coming to the party?（）表能力 “能，会 ”否定句 cant不能eg. He can swim,but I cant.How long can you stay under water?（）在否定句， 疑问句中表示 “不可能 ”或 “一定不 ”eg. Can he come ?No,he cant come.（他会来吗？不，他不能来）2.情态动词 “have to”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 have to有。它的第三人称单数为 “has to” ,过去时为 had to, 如：
