1、人教版-七年级下册-Unit1Unit 1 Can you play the guitar?情态动词 can 的用法singI like English!A: Can she sing ?B: Yes, she can. C: No,she cant. A: Can he speak English ?B: Yes, he can. C: No ,he cant. 课 堂 导 入Can he draw?Yes, she can.No, he cant.Can she play the guitar?Yes, she can.No, she cant.Can she play chess?Yes
2、, she can.No, she cant. 知 识 讲 解 一、情态动词can可以表示能力，意为“能”、“会”。如：I can play the guitar. 我会弹吉他。He can swim. 他会游泳。二、其否定形式为：can not, 可缩写为 cant, 意为“不能”、“不会”。如：She can not play chess. 她不会下国际象棋。They cant speak English. 他们不会说英语。 情态动词can表“能力”的用法： 知 识 讲 解 找一找，你发现规律了吗？1. I can the guitar.2. You can .3. He can .4.
3、She can not chess.5. They cant English.规律一：原形规律二：情态动词can没有人称和数的变化。规律三：情态动词can变否定方法： 直接在can后加not，可缩写成cant.肯定句肯定句cancan not cant否定句否定句 知 识 讲 解 情态动词can的一般疑问句及肯定回答A: Can they play basketball?B: Yes, she can.A: Can she draw?B: Yes, they can. 知 识 讲 解 情态动词can的一般疑问句及否定回答A: Can she sing?A: Can he swim?B: No,
4、 she cant.B: No, he cant. 知 识 讲 解 规律总结：情态动词can的一般疑问句及回答规律一：将can提前变问号规律二：肯定回答：Yes，主语 + can. 否定回答：No, 主语 + cant.She can draw .A: Can she draw ?B: Yes, she can. No, she cant. 课 堂 练 习 1.- 1.- Tom swim? - Yes,he Tom swim? - Yes,he . . A. Can; cant B. Does; can C. Can; can A. Can; cant B. Does; can C. Can
5、; can2.My sister 2.My sister sing, but she cant sing, but she cant . . A. can; dancing B. can; dance C. cant; dance A. can; dancing B. can; dance C. cant; dance1.1.She can play chess. She play chess.2.2.They can swim. they swim? Yes, they ./ No, they .cantcant Cancan 课 堂 小 结“记忆口诀”- 情态动词can的用法情动can表能力，行为动词不分离。不管主语如何变，can的模样永不变。只要出现情动can，动词原形后面站。一般疑问can提前，否定can后not添。Interview your group members about what their parents can or cant do.Nameswim sing dance draw speak Englishplay chessplay the guitarFatherMotherHomeworkCan your father/mother?homeworkhomework
