(
课件网) Module 4 Unit 3 Language in use Grammar What suggestions can you give to people walking in the mountains 1. You should wear a hat. 2. You mustn't walk along the edge. 3. You should wear comfortable shoes. … Modal verbs 情态动词 1 2 能复习情态动词的用法。 能正确运用情态动词。 目标一:能复习情态动词的用法 Activity 1 Read the following sentences first and put them into Chinese, then talk about them in groups. 1. You must be careful of falling stones. 2. You mustn’t walk too close to the edge of the hill path because you might fall and hurt yourselves. 3. You should always wear proper clothes. 4. Bears might think our rubbish is food. 5. — Can we go rock climbing — No, you can’t. Group Discussion 小组合作观察每个句子，讨论、总结并分组展示。 Task 1: 查阅相关资料，尝试总结情态动词的定义和特点； Task 2: 查阅相关资料，从表意的角度总结情态动词的用法。 1. You must be careful of falling stones. 2. You mustn’t walk too close to the edge of the hill path because you might fall and hurt yourselves. 3. You should always wear proper clothes. 4. Bears might think our rubbish is food. 5. — Can we go rock climbing — No, you can’t. Activity 2 每个小组派代表总结发言。 1 组 2 组 3 组 4 组 Activity 3 Summary Modal verb 情态动词 1.定义 用来表示说话人对有关行为或事物的看法、态度,认为其 可能、应该或必要等。 2.特点 1) 情态动词和助动词一样，不能单独作谓语。 2) 情态动词后要接动词原形。 3) 除have to之外，其他情态动词没有人称和数的变化。 4) 情态动词的否定式一般是在后面加not。 5) 情态动词具有助动词的特点，可用来构成疑问句、否定句，也可以用于肯定、否定回答。 3.用法 1. 表示能力 表示一个人能做某事时，常用can或could表达。例如： As soon as Mike could read, he read books about robots. 迈克刚能看懂书，就看关于机器人的书。 My five-year-old daughter can draw a beautiful picture in five minutes. 我五岁的女儿能在五分钟之内画出一幅漂亮的图画。 2.表示可能性 如果要表达“可能，可能性”, 可以用may / might 或 can / could。例如： Jane may be at home. 简可能在家。 I might talk to him. 我可能会跟他说说。 You can go to Beijing by train. 你可以坐火车去北京。 3.表示许可或征求对方许可 如果表达允许某人做某事, 或征求对方的许可, 可以用can / could / may / might。例如： You can / may start your work now. 你现在可以开始工作了。 Could / May I come a little later tomorrow I don’t feel myself. 我明天可以晚到一会吗 我觉得不太舒服。 4.表示请求对方做某事 如果要请求对方做某事，可以用下列表达方式： Will / Would / Could you (please) … / Would you mind … 例如：Would you please help me with this suitcase 你可以帮我拿这个手提箱吗？ Would you mind turning down the music 你能把声音关小点儿声吗？ 6.表示意愿 表示想做某事可以用would like / love to … 例如： I’d like to be a scientist. 我想成为科学家。 7.表示应该、义务 表示应该、义务等时常用should, ought to, must。例如： You should talk to your parents. 你应该跟你父母谈谈。 I ought to train more to improve my skill. 我应该多训练来提高技巧。 5.表示建议和邀请 表建议和邀请可用下列表达方式： Would you l ... ...
