Unit 9 Section A (Grammar Focus-3c)课件 2023-2024学年人教版八年级英语上册

Unit 9 Can you come to my party? 初中英语人教版八上 Section A (Grammar Focus-3c) 1. To learn to use “Would you like to…?” to make invitations 2. To use the following structure to talk about obligations: I might have to/must… 学习目标 Can you come to my party on Saturday? Sure, I’d love to. Sorry, I must study for a math test. Can you go to the movies tomorrow night? Sure. That sounds great. I’m afraid not. I have the flu. Can he go to the party? No, he can’t. He has to help his parents. Can she go to the baseball game? No. she’s not available. She must go to the doctor. Can they go to the movies? No, they’re not free. They might have to meet their friends. Grammar Focus (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, I can’t.(+原因) 　　e.g. —Can you come to the party? —Yes/Sure, I’d love/like to. / Sorry, I can’t. I have to help my parents. (2) 表能力“能，会”否定句 can’t不能 e.g. 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” e.g. —Can he come? —No, he can’t come. 语法聚焦 情态动词 can 的用法 (1) have to有人称和数的变化。 它的第三人称单数为has to,过去时为had to, 如： He has to study hard. 他不得不好好学习。 (2) 变成一般疑问句时，have to要加助动词do , has to要加助动词does ,还原 have to, had to要加助动词did,还原 have to。 (3) 一般疑问句式变换如下： They have to go to the party. —Do they have to go to the party? —Yes , they do. He has to go to see the doctor. —Does he have to go to see the doctor? —Yes , he does. She had to have a piano lesson yesterday. —Did she have to have a piano lesson yesterday? —Yes, she did. 情态动词have to 的用法 语法聚焦 1. A: What are you going to do on Saturday? B: I’m not sure. I might________________________________ 2. A: What are you planning to do after school? B: I don’t know. _____________________________________ 3. A: When will you finish the science homework? B: __________________