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课件网) Unit 3 Could you please clean your room Section A Grammar Focus-4c How to make polite requests？ A: Could you please ...... B: Yes, sure. / No problem! All right! / Certainly! A: Could you please ...... B: Sorry, I can't. I have to...... / I am going to...... can 的过去时 礼貌的请求 提出建议 推测 I could run fast when I was a child. Could you help me You could talk to your teacher now. He couldn’t be at the school then. Today we learn about..... 礼貌的请求 情态动词 could 的用法 情态动词 could 构成的句型用于向对方委婉地提出请求或征求对方的许可。它本身不能做谓语，只能和动词原形一起构成谓语。 1. 用于委婉地请求别人做某事（提出请求） 常用句型 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 常用句型 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 2. 用于委婉地请求别人允许自己做某事（征求许可） 例：———妈妈，我明天可以和朋友去购物吗？ ———恐怕不行，你要上钢琴课。 —Could I go shopping with my friend tomorrow, Mom —I’m afraid you can’t. You should take your piano lessons. 注意 (1)无论是“Could you please... ”还是“Could I ... ”句型，问句中的 could 可用 can 来代替，但是 could 更委婉。且答语中一般都避免使用 could 来回答。 (2)句中 please 还可放在句尾，其前用逗号和前面的内容隔开。 例：———请问我可以邀请朋友去聚会吗？ ———当然可以。那听起来很有趣。 —Could I invite my friends to the party, please —Of course you can. That sounds fun. 答语中的 can 不能换成 could (2)表示可能性，指对现在、将来或过去某种可 能的推测。 The book could be Lily’s because she likes reading books. (3)表示建议。 You could go there by bus. Make polite requests: Ask for permission: Could you please _____...？ (not) do Could I _____... (not) do 肯定回答：Yes, sure. Of course. Certainly.... 否定回答：No, I _____. Sorry, I _____. I'd love to, but... 肯定回答：Yes, ____ _____. Certainly. Sure, it should be OK. 否定回答：No, _____ _____. Sorry, you _____. I am afraid _____. can't. can't you can you can't can't not Summary 4a Write R for requests and P for permission. 1. ____ Could I hang out with my friends after the movie 2. ____ Could you please pass me the salt 3. ____ Could I borrow that book 4. ____ Could you help me do the dishes 5. ____ Could you lend me some money P R P R R Then match each one with the correct response. d a. Yes, here you are. b. Hmm. How much do you need c. Yes, sure. No problem. I finished reading it last night. d. Yes, but don't come back too late. e. No, I can't. I cut my finger and I'm trying not to get it wet. a c e b 1. P-__ Could I hang out with my friends after the movie 2. R-__ Could you please pass me the salt 3. P-__ Could I borrow that book 4. R-__ Could you help me do the dishes 5. R-__ Could you lend me some money 和某人出去玩 pass sb. sth. 把某物递给某人 l ... ...
