Unit1 Section A Grammar Focus-3c 语法课件 2022-2023学年人教版七年级英语下册

Unit 1 Can you play the guitar? Section A Grammar focus-3c Objectives 1. Master the key sentences(掌握重点句型): (1)-Can he /she play chess/speak English? -Yes, he/she can. /No, he/she can’t. (2) -What can you do? -I can dance. (3) -What club do you want to join? -We want to join the chess club. 2. Can master the usage of the modal verb "can" indicating ability.(掌握情态动词“can” 的用法) Can you dance? Can you dance? Yes, I can. Yes I can. I can dance. I can dance. Can you swim? Can you swim? No, I can’t. No, I can’t. I can’t swim. I can’t swim. Warm up: Say and chant Review What can she do? She can dance. dancer 4 Review What can they do? They can play chess. play chess 5 sing I can sing. What can you do ? Can she dance? dance Lily can dance. What can he do ? swim Bob can swim. What can they do ? kung fu They can do kung fu. Grammar Focus Can you swim? Yes, I can./No,I can’t. Can he play chess? Yes, he can./ No,he can’t. Can you and Tom play chess? Yes, we can./ No,we can’t. Can Jane and Jill swim? Yes, they can./No,they can’t. What can you do ? I can dance./I can’t sing. What club do you want to join? We want to join the chess club. 7 Yes, I can./ No, I can’t. Yes, he can./ No, he can’t. Yes, we can./ No, we can’t. Yes, they can./ No, they can’t. What can you do? What club do you want to join? I can dance./ I can’t sing. We want to join the chess club. Can you swim? Can he play chess? Can you and Tom play chess? Can Jane and Jill swim? Grammar Focus can’t=cannot Can you/he/…? Yes, I/he/we/they… can. No, I/he/we/they… can’t. can后的动词形式有什么特点? can随人称变化而变化吗? can的否定形式是什么样的?有缩略形式吗? can在一般疑问句和特殊疑问句中需要借助助动词吗? Brain Storming 9 can后的动词形式有什么特点? can后用动词原形。 can随人称变化而变化吗? can没有人称的变化。不管主语是什么人称, can及其后面的动词不会变化。 can的否定形式是什么样的?有缩略形式吗? can的否定形式是在其后直接加not, 即can not, 可缩略成can’t或cannot。 can在一般疑问句和特殊疑问句中需要借助助动词吗? 不需要借助助动词,应将can直接提前,变为疑问语序。 10 表示“能力”,意为“能,会”。 例:她会拉小提琴。 She can play the violin. 例:你能帮我吗?Can you help me? 你现在可以看电视。You can watch TV now. can的基本用法 表示“请求”或“许可”,意为“可以”。 情态动词can的句型结构 肯定句 主语 + can