人教版 八年级上英语 Unit 5 Section A 1a-2c 接受和婉拒邀请的表达 课件.pptVIP

Why can’t you come to the party? Can you come to my party? I have to Can you come to my party? Explanation 1. can 的用法 （１）表邀请。 　　 若接受邀请，回答为： 　　 OK./All right./Sure./ Of course./Certainly./ Yes (Sure) , I’d love (like) to. 　　 若不接受邀请，回答为： 　　 Sorry,Ｉcan’t.(+原因) eg . Can you come to the party? Yes/Sure,I’d love/like to. Sorry,Ican’t. 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 you come to the party. 4) Please come to the party. 5) How/What about coming to the party? （２）表能力“能，会”否定句 can’t不能 eg. He can swim,but I can’t. How long can you stay under water? （３）在否定句，疑问句中表示“不可能”或“一定不” eg. Can he come ?No,he can’t 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： He should study hard . 他应该好好学习。 He has to study hard . 他不得不好好学习。 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: They have to go to the party . Do they have to go to the party ? Yes , they do . They don’t have to go to the party. 3： She had to have a piano lesson yesterday. Did she have to have a piano lesson yesterday? Yes, she did . She didn’t have to have a piano lesson yesterday. Group WorkWork in groups and make a conversation. A: Can you come to my party on Wednesday? B: Sure, I’d love to . C: Sorry, I can’t. I have a piano lesson. D: I’m sorry, too. I have to go to the doctor. Make an invitation: Can you come to my party? Accept an invitation: Sure, I’d love to. Yes, I’d like to. Decline an invitation: Sorry, I can’t. I have to study. I’d lo