Unit 1 Section A (GF-3c) (讲解课件)-【优翼·学练优】2023-2024学年七年级英语下册同步备课（人教版）

七年级（下） 优翼英语教学课件（RJ） Unit 1 Can you play the guitar? Section A (Grammar Focus-3c) 优翼七年级英语下（RJ） 教学课件 学习目标 Key words & phrases: write; show; or; talk; talk to; kung fu; do kung fu; show sb.; after school. Key sentences: 1. Can you and Tom play chess? 2. What can you do? 3.We want students for the school show. To learn to use modal verb “can” to ask and answer questions about abilities. Revision Look and say Can you sing? She can sing. He can swim. They can dance. Can you swim? He can draw. Can you draw? They can speak English. Can you speak English? They can play chess. Can you play chess? He can play the guitar. Can you play the guitar? Can you dance? What can he/she/they/you do? Yes, I can. No, I can’t. www.youyi100 Lead in Let's play Guessing game What can he do? Can he play basketball? No, he can’t. Can he swim? Yes, he can. He can swim. www.youyi100 How to use the modal verb “can” to talk about abilities? can后的动词形式有什么特点？ can随人称变化而变化吗？ 3. can的否定形式是什么样的？有缩略形式吗？ 4. can在一般疑问句和特殊疑问句中需要借助助动词吗？ Let's think about it! Discussion www.youyi100 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. can’t=cannot www.youyi100 can后的动词形式有什么特点？ 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。 Look and say www.youyi100 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。 Look and say www.youyi100 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。 Look and say www.youyi100 Grammar 情态动词can can是常见的情态动词，不能独立作谓语，其后需接动词原形。它没有人称和数的变化。can的否定形式为can not, 其缩略形式为can’t/cannot, can’t多用于口语，cannot更加正式。can可表示能力、推测、允许、请求等，本单元主要讲解can表示能力的用法。 语法概述 www.youyi100 can表“能力”用法 can表示能力时，意为“能；会”。“can+动词原形”表示“（某人）能/会做某事”，其否定形式为“can’t/cannot+动词原形”，表示“（某人）不能/不会做某事