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课件网) 情态动词 Modal verbs 新初三暑假课第7讲 目录 01 课前导入 02 特征 03 沙场总练兵 04 用法 01 课前导入 Lead-in 课前导入 什么是情态动词？ 情态动词和其他动词怎么区分？ 什么是情态动词？ He can speak English. May you have a good time！ You must be at home. You should follow me. You need hurry. She dare say anything. You had better leave now. I have to look after my sister. / He has to look after his sister. I am a girl. He is a boy. She looks really pretty. He can speak English. May you have a good time. You must be at home. I like apples. He ate an apple yesterday. She waters flowers everyday. He doesn’t like apples. I will come tomorrow. She has finished homework. 情态动词和其他动词怎么区分？ 02 情态动词的特征 情态动词的特征 有一定词义，必须和系动词或行为动词连用构成谓语 无人称和数的变化（have to例外） 后接动词原形 具有助动词的作用（have to 例外） He can speak English. May you have a good time. You must be at home. You should follow me. You need hurry. She dare say anything. You had better leave now. I have to look after my sister. He has to look after his sister. 助动词的作用 He is cute. He was there yesterday. He likes apples. I will come tomorrow. She has finished homework. He can speak English. He has to look after his mother. Is he cute? He is not cute. Was he there yesterday? He was not there. Does he like apples? He does not like apples. Will you come tomorrow? I will not come. Has she finished homework? She has not finished. Can he speak English? He can not speak. Does he have to look after…? He does not have to. 03 情态动词的用法 1 can (could) may (might) must 2 will(would) shall(should) 3 need dare 4 have to had better ought to He can speak English. Some of us can use the computer now. The baby could walk in a few weeks. Can I use your pen? Could I come here tomorrow? You can park your car here. Anyone can make mistakes. Children can be noisy sometimes. It can be very hot in our city in summer. 表示能力 表示可能性 表示请求和许可 2．表示过去通过努力终于做成了某事要用be able to，而不能用can。如： I was able to swim to the bank after making great efforts. can只有两种时态，can和could； be able to 有多种时态，如was/were able to, will/shall be able to, have/has been able to can/could 与 be able to 的区别 can/ could 1，表示能力（could表示过去的能力） 与be able to区别：can表示泛指的能力，只有两种时态 2, 表示可能性（could可能性更小） 3，表示请求和许可（could更委婉） He may know my secret. She may know my phone number. He might come tomorrow, but I’m not quite sure. May you succeed! May you have a good time! May you live a happy life! You may come if you wish. May I use your pen? You may open the door. 表示可能性 表示请求和许可 表示祝愿 may/ might 1，表示可能性（might可能性更小） 2, 表示请求和许可（ might更委婉） 3，表示祝愿 You must go home. Must we work on Sunday? The light is on, so he must be at home. Look at his new car. He must have earned a lot of money. If you must smoke, please ... ...
