(
课件网) 外研版七年级英语下册 Module2 Unit3 Language in use Observe and Learn ① ② ③ 在表达“某人能做某事”时，一般可以用“_____+_____”的结构。如果表达“某人不能做某事”，可以在can的后面加not,或缩写为_____。 Do you know can 动词原形 can't Now let's read more examples. —What can you do —I _____. — Can you play the piano — Yes, _____. / No, _____. can play the piano I can play the piano. I can I can’t The secret of success is constancy of purpose —What can she do —She _____. — Can she ... — Yes, _____. / No, _____. can cook She can cook. she can she can’t The secret of success is constancy of purpose Language Points 情态动词can的用法 一、基本用法 1. 表示能力（如体力和脑力方面），意为“能；会”等。 Can you speak English 你会讲英语吗？ Can you play the piano 你会弹钢琴吗？ 2. 表示请求或允许，多用在口语中，意为“可以；能”等。 用于疑问句中用来提出要求，用于否定句表示不允许。 Can I help you 我能帮助你吗？ You can’t play basketball. 你不能玩篮球。 The secret of success is constancy of purpose 情态动词基本用法 can是情态动词，意为“能，会”，没有人称和时态的变化，后面接 否定形式是在can后面加 ，成为can not缩写成 。 动词原形。 not can’t The secret of success is constancy of purpose 情态动词can 1. 特点： ① 不能独立作谓语，必须与动词原形一起共同充 当句子的谓语。 ② 没有人称和数的变化。无论主语是单数还是复 数形式，can的形式不发生任何变化。 The secret of success is constancy of purpose can play can dance can teach Can can can’t can’t go Ready can help can get can make can join Can speak The secret of success is constancy of purpose Make a poster. Draw a picture for your club. Add the title of your club. Invite people to join. The secret of success is constancy of purpose I can play the piano. She can dance. We can teach you Chinese! —Can you cook —Yes, I can./ No, I can’t. 5. I can’t speak Chinese very well. 6. I can even help teachers too. 7. Choose me for the PE monitor and you can get the best score too. 8. We can make our classroom beautiful. 9. Which club can she join 10. Can Daming speak Chinese —What can ... do —They _____. — Can they ... table tennis — Yes, _____. / No, _____. can ... They can play table tennis. they ... they ... The secret of success is constancy of purpose —What can ... do —He _____. — Can he ... a bike — Yes, _____. / No, _____. can ... He can ride a bike. he ... he ... The secret of success is constancy of purpose I can _____. play table tennis Complete the sentences. The secret of success is constancy of purpose _____. Yes, he can Can Lang Lang _____ play the piano The secret of success is constancy of purpose I can play the piano. She can dance really well. We can teach you Chinese! Can you cook Yes. I can. / No. I can’t. Read the sentences and pay attention to the underlined parts. The secret of success is constancy of purpose 1 Work in pairs. Add two or three more activities to the list. Student 1 Student 2 fly a kite … play the piano … cook ... ...
