(
课件网) I can speak English. You should do it all by yourself. You can use this machine next week. We must keep our classroom clean and tidy. Modal verbs How many modal verbs can you remember modal verbs can/could may/might shall/should must needn’t have/had to would ought to dare What are modal verbs(情态动词) 情态动词的特点 情态动词有一定的意义 无人称和数的变化 情态动词后直接加动词原形 表示说话人的语气或情绪 一、语法填空 二、短文改错 考点 1.情态动词的基本意义 2.情态动词+have done 3.虚拟语气中的情态动词 1. can / could 1)表示能力 He can play table tennis quite well. 2) 表示事物一时的特征, 理论上的可能性，往往翻译为“有时会” It’s always warm here, but sometimes it can be very cold. Even an experienced teacher can make mistakes. 3)表示许可/允诺 --Can/Could Tom use the car --Yes , he can. You can have my seat. I am going now. 4)表示推测，常用于否定can’t He can’t be in the classroom. I saw him on the playground just now. 翻译句子 1.我能看看你的新钢笔吗？ Can I have a look at your new pen 2.这个消息不可能是真的。 The news cannot be true. 2. may / might 1)表示请求\许可 --May/Might I come in --Yes, you may. 2)表示可能性的推测 He may be in the classroom. 3) may用于祈使句表示祝愿 May you succeed! May you return in safe! 3. must 1. 必须 Must I say “sorry” Yes, you must. / No, you needn’t. You must see a doctor. 2. 否定,表示 “禁止” You mustn’t play with fire. You may hurt yourself. 4.should 的用法 (1)（用于纠正别人）应该，应当 You shouldn’t drink and drive. (2)（用于提出或征询建议）该，可以 He should stop smoking. (3)(表示预期)应该会，可能 We should arrive before dark. The road should be less crowded today. (4)用于虚拟语气 I advise that he should get up early. If it were to rain tomorrow, we should stay at home. 5. would 助动词: (will的过去式,表示过去将来时)将 She said she would come. 情态动词: 1. (表示过去的习惯)总是,总会 He would sit silent for hours. 2. (表示推测)大概,会 I think he would accept the invitation. 6. dare / need 既可以是情态动词，也可以是实义动词: 情态动词: daren’t do needn’t do I daren’t speak a word in her class. 实义动词 don’t/doesn’t dare to do sth don’t/doesnt need to do sth He must be ill. He looks so pale. 1. 他准是病了,他的脸色苍白。 2.他们明天能按时去那儿。 3.我能知道你的名字吗？ 4.你必须遵守校规 They can be there on time tomorrow. May I have your name You must obey the school rules. 二.情态动词+have done （page 42） could have done should have done needn’t have bought task 1 Read the explanation on page 42 task 2 Fill in the blank. (过去)本应该做某事而没有做 _____ (过去)本不必要做某事却做了 _____ (过去)可能做了某事 _____ (过去)一定做了某事 _____ (过去)本可以做某事却没有做 _____ might/may have bought must have bought Practice make perfect! 1.He _____(pass) the exam, but he was too careless. 2. Tom, you are too lazy. The work _____ (finish) yesterday. 3. I _____(buy) so much wine—only five people came. could have passed should have finished needn’t have b ... ...
