Unit1 Section A Grammar Focus 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? Grammar Focus 3a-3c Look and say Can she dance? Yes, she can. No, she can't. --Can sb. ... --Yes.../No... Can they sing? Yes, they can. No, they can't. --Can sb. ... --Yes.../No... Look and say Look and say Can he play the guitar? Yes, he can. No, he can't. --Can sb. ... --Yes.../No... Can they speak English? Yes, they can. No, they can't. --Can sb. ... --Yes.../No... Look and say Can they play chess? Yes, they can. No, they can't. --Can sb. ... --Yes.../No... Look and say Can she swim? Yes, she can. No, she can't. --Can sb. ... --Yes.../No... Look and say 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. can’t=cannot Observe this chart. 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. can后的动词形式有什么特点？ can’t=cannot can随人称变化而变化吗？ can后用动词原形。 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。 大家来找茬 I dance in music club. I can dance in music club. He plays the guitar on Sundays. He can play the guitar on Sundays. My father speaks English with his friends. My father can speak English with his friends. can+动词原形，没有人称和数的变化。 1. Lisa can _____the violin. (play) 2. My sister _____music very much.(like) 3.The little girl ______ stories in the evening. (write) 4.Jim can _____to Mr. Zhang after school. (talk) 小试牛刀：用括号内单词的正确形式填空。 play likes writes talk can的否定形式是什么样的？ 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.