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课件网) Section A Grammar Focus Unit 6 Home Sweet Home To use "can/could" to make polite requests and ask for permission correctly. 01 To distinguish between requests (R) and permission (P) using "can/could". 02 学习目标 Lead in Let’s enjoy a song! Read the questions with can or could . Notice how they are answered. Could you please sweep the floor Yes, Dad. I’ll do it at once. Could I hang out with my friends after lunch Sorry, Jim, but you have to pack up your things first. Can I put some flowers on the table Yes, good idea! Can you help me hang up the photos Sure. / No problem! R Write R for requests or P for permission next to each question. P P R 3a Make polite requests 常用句型 Can / Could you (please) do sth. 肯定答语 OK. / Certainly. / Of course. / With pleasure. / No problem. / Yes, sure.等 否定答语 Sorry, I can’t. I have to… / I’m afraid not. / I’m afraid I can’t. I am going to…等 Could you please sweep the floor Yes, Dad. I’ll do it at once. Could I hang out with my friends after lunch Sorry, Jim, but you have to pack up your things first. Can I put some flowers on the table Yes, good idea! Can you help me hang up the photos Sure. / No problem! Write R for requests or P for permission next to each question. R P P R Ask for permission 常用句型 Can / Could I do sth. 肯定答语 Yes, you can. / Certainly. / Yes, please.等 否定答语 Sorry, you can’t. / I’m afraid you can’t.等 Grammar 情态动词can和could可用于向对方提出请求，也可用于请求对方允许自己做某事。它本身不能作谓语，必须和动词原形一起构成谓语。 情态动词 can & could 1. 用于提出要求或请求 Can/Could you please... （重点） 2. 用于请求许可 Can/Could I... （重点） 3. 用于表示能力：can表示现在的能力，could表示过去的能力 情态动词 can 和 could 的用法 考向1 用于提出要求或请求 Can/Could you please.. “请你···好吗？”/“你能/可以···吗？”，用于提出要求或请求。常用答语有： 肯定回答 Yes, sure/of course. 好的，当然可以。 No problem. 没问题。 With pleasure. 乐意帮忙。 Sure/Of course/Certainly. 当然可以。 否定回答 Sorry, I can't. I have to... 对不起，我不能。我得... Sorry, I'm going to... 对不起，我将... I'm afraid I can't. I have to... 恐怕不行。我得... I'm afraid not. 恐怕不行。 e.g. —Can you please lend me your bike 请把你的自行车借给我好吗？ —Sure/Of course/Certainly. 当然可以。 —Could you please go hiking with me tomorrow 请你明天和我一起去远足好吗 —Sorry, I can't. I have to prepare for a competition. 对不起，我不能。我得准备一个比赛。 练习：—Can you go out with us tonight —I'd love to, but I _____. I have to finish my work. A. can't B. mustn't C. needn't D. shouldn't A Can/Could I..., “我能···吗？”，用于请求对方允许自己做某事。常用的答语有： 肯定回答 Yes, you can. 是的, 你可以。 Of course you can. 当然可以。 Yes, please. 是的，去吧/用吧/...... 否定回答 Sorry, you can't. 对不起，你不可以。 Sorry, I'm afraid you can't. 对不起，恐怕不行。 考向2 用于请求许可 e.g. —Could I have a look at your new watch 我能看一下你的 ... ...
