（修）Unit 5 Section A Grammar Focus 课件 2025-2026学年人教版英语七年级上册（共17页PPT）

Unit 5 Fun Clubs 第3课时 Section A Grammar Focus If we want to express our ability, what word should we use? Think and say 情态动词can {2D5ABB26-0587-4C30-8999-92F81FD0307C}Name Ability Peter Emma Ella Teng Fei play the guitar sing well play the violin play the drums can Review what they can do by using can. Review Lead in {D27102A9-8310-4765-A935-A1911B00CA55}Can you play ping-pong? Yes, I can. / No, I can’t. Can he play the violin? Yes, he can. / No, he can’t. Can they play chess? Yes, they can. / No, they can’t. I can run fast, but I can’t swim. Emma can sing well, but she can’t play any musical instruments. Read the sentences in the table. 3a ps: can的否定形式：can’t Grammar Focus Presentation Do they have anything in common? Look at the verbs in bold（黑体字）. Do they change their form? {D27102A9-8310-4765-A935-A1911B00CA55}Can you play ping-pong? Yes, I can. / No, I can’t. Can he play the violin? Yes, he can. / No, he can’t. Can they play chess? Yes, they can. / No, they can’t. I can run fast, but I can’t swim. Emma can sing well, but she can’t play any musical instruments. can + do 3a Presentation can有一定的意义，但不能单独作谓语，须与实义动词连用构成谓语。 情态动词没有人称和数的变化。 情态动词can的用法 情态动词can有3种基本用法： 表示“能力”，意为“能，会”。 表示请求或许可，意为“可以”。 表示推测，意为“可能”，常用于否定句或疑问句中。 can +动词原形 无人称和数的变化 Presentation 肯定句： {5940675A-B579-460E-94D1-54222C63F5DA}I can run fast, but I can’t swim. Emma can sing well, but she can’t play any musical instruments. 否定句： 主语+can+动词原形（+其他）. 主语+can’t+动词原形（+其他）. can的句型结构 Presentation {5940675A-B579-460E-94D1-54222C63F5DA}Can you play ping-pong? Yes, I can. /No, I can’t. Can he play the violin? Yes, he can. /No, he can’t. Can they play chess? Yes, they can./ No, they can’t. Can引导的一般疑问句 Can+主语+动词原形（+其他）? 肯定回答：Yes, 主语+can. 否定回答：No, 主语+can’t. Presentation Can引导的特殊疑问句 {5940675A-B579-460E-94D1-54222C63F5DA}What can Emma do? She can sing well. What can you do? I can play the drums. 特殊疑问词+can+主语+动词原形（+其他）? Presentation Let’s practice. 1. Sally can play the drums. （改为一般疑问句） _____ Sally _____ the drums? 2. My father can swim very well. （改为否定句） My father _____ _____ very well. Can can’t 按要求完成句子，每空一词（含缩略词）。 play swim Practice 3. Ben can draw pictures. （对画线部分提问） _____ can Ben ____? 4. —Can Jane and Molly play tennis?（作否定回答） —_____, _____ _____. 5. The little boy can dance.（对画线部分提问） _____ can the little boy _____? What No What do do can’t they {D27102A9-8310-4765-A935-A1911B00CA55}1. A fish 2. A duck 3. A parrot 4. A dog 5. A cat {D27102A9-8310-4765-A935-A1911B00CA55}A. can speak. B. can fly. C. can swim. D. can run fast. E. can climb trees. Match the two parts to make sentences. Then make more sentences with can. 3b A fish can swim. A duck can fly. A parrot can speak. A dog can run ... ...