1、 1 Unit 3 Could you please clean your room Section A 3（ Grammar focus-4c） Step 1 Revision 根据所学内容，写出下列短语。 fold ones clothes , do the dishes, use ones computer , take out the rubbish make the bed, sweep the floor, stay out late, be angry with sb., take sb. for a walk clean the living room, work on, co
2、me over, do the housework, get a ride Step 2 Presentation 阅读下列 句子，观察问句的用法及回答。 Could I go out for dinner with my friends? Sure, that should be OK. Could we get something to drink after the movie? No, you can t. You have a basketball game tomorrow. Could you please take the dog for a walk? OK, but I w
3、ant to watch one show first. Could you please take out the rubbish? Yes, sure. Step 3 Grammar Could you（ please） + V-原形？表示委婉地提出请求 1. Could you please clean your room? Yes, sure. / Of course./ Certainly./All right. 2. Could you please do the dishes? Sorry, I cant. I have to do my homework. 在表示请求帮助或请求
4、允许的疑问句中，常用 could 代替 can，以表示礼貌，委婉或不确定的语气，而 can 则不具备这些语气。这种情况下不能把 could 看作 can 的过去式。以上两句中用 could 是为了表示礼貌的 请求。表示请求帮助或请求允许时，除 了 can, could 之外，还可以用 may，句子的表达方式也各有不同，可以用不同的方式来表示同一个概念。例： Could/Can/May I use your car for a day? I wonder if I could use your car for a day? 对于、句所作允答可以各种各样，如同意可以说 Yes 或 Sure 或 C
5、ertainly，还可说 Yes, (do) please. 或 Of course. (you may/can). 或 Go ahead, please. 或 Thats OK/all right; 如果不同意，可以说 Im sorry you cant. 或 Im really sorry, but I have to use it today. 要避免说 No, you cant. 这样显得很不礼貌。否定回答通常用委婉语气。 Do you mind if I use your car for a day? 对于句所作回答可以说 Never mind. /Not at all. 表 “ 不
6、介意 ” 。不能用 Yes. /Sure. /Of course. /Certainly.等。无论肯定还是否定应答中，要避免使用 could，要用 can 或 may。2 因为应答须用确定的语气。而 could 在表请求的问句中是为了表示礼貌或委婉语气，用在应答中则成了不确定语气，与情理不符。所以应答中不说 Ye s, you could. 或 No, you couldnt. 而要说 Yes, you can. 或 Sorry. /No, you cant. Could I please use your computer? Sorry, Im going to work on it now
7、. Well, could I watch TV? Yes, you can. Could I/you please ? ？表示一种有礼貌的请求或提议，其后连接原形动词，比 Can you /I? ？语气更委婉。类似句型有： Would you like + sth. / to do sth.? May I + do sth.? Shall we + do sth.? Would you mind + sth. /doing sth.? What / How about + sth. /doing sth.? 肯定回答有 Sure. /Of course. / Certainly. /OK.
8、/Great. / Well. / Good idea. / I agree. 等。否定回答有 Sorry? / No, you cant. 等。 Step 4 Practice Make up dialogues using the sentences in Grammar Focus with your partner. A: Could you please take the dog for a walk? B: OK, but I want to watch one show first. 4a Write R for requests and P for permission. Th
9、en match each one with the correct response. 1. _ Could I hang out with my friends after the movies? 出去玩 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? a. Yes, here you are. b. Hmm. How much do you need?
10、 c. Yes, sure. No problem. I finished reading it last night. d. Yes, but dont come back too late. e. No, I cant. I cut my finger and Im trying not to get it wet. Note： borrow 和 lend borrow 和 lend 都有 “ 借 ” 的意思，但它们的含义和用法有所不同。 borrow 表示 “ 借入 ” ，即把本来不属于自己的东西借来暂时使用，常与介词 from 连用。如： You can borrow a book f
11、rom the library. lend 表示 “ 借出 ” ，即把属于自己的东西借给 别人暂时使用，常与介词 to 连用，也可以跟双宾语。如： Hes going to lend his bike to Tom. You mustnt lend others my pen. 4b Fill in the blanks in the conversation. 3 A: I hate to _ chores. B: Well, I hate some chores too, but I like other chores. A: Really? Great! _ I ask you to _
12、 me with some chores then? B: What do you need help with? A: _ you please _ my clothes for me? B: I dont want to do that! Its boring! A: OK. Then _ you _ do the dishes for me? B: Sure, no problem. But _ we go to the movies after that? A: Sure. Ill finish my homework while you help me with the dishes. Then we can go to the movies. Step 5 Discussion If we are having a camping trip, what should we do before the trip? Step 6 Homework Write a letter to your friend to ask him/her to take care of your house when you are on vacation.
