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1、Unit 3,Grammar Focus,Can I have this dance?,If we need help, what should we say politely?,1. Sweep the floor, Peter!,2. Can you sweep the floor, Peter?,3. Could you please sweep the floor?,Which is the most polite one?,Could I stay out late?,Could I use the car?,Sorry, you cant. I have to go to a me
2、eting.,Could I get a ride?,No, you have a test tomorrow.,Yes, you can.,Grammar,Could you please clean your room? Yes, sure. Could you please do the dishes? Sorry, I cant. I have to do my homework. Could I go to the movies? Yes, you can. Could I use the car? No, you cant. I have to go out.,could,can
3、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 couldnt be at the school then.,Could you please clean your room?,你能打扫一下你的房间吗？,在表示请求帮助或请求允许的疑问句中，我们常用could代替can， 以表示礼貌、委婉或不确定的语气，而can 则不具有这些语气。这样用时，不能把could 看作为can 的过去式。,Could you please
4、? 请你好吗?,这里的could 不是表示一般的过去式, 而是用来表示委婉地提出请求。,Could you please do sth?,1. could表示请求，语气委婉，显得有礼貌 Could you please clean your room? 你可以打扫你的房间吗？ 肯定回答：Yes, I can. 是的，我可以。 Yes, sure. / Yes, of course. 否定回答： Sorry, I cant. I have to do my homework. 对不起，我不得不做作业。,2. could表示请求许可，希望得到允许。 Could I go to the movies
5、? 我能去看电影吗？ 肯定回答：Yes, you can. Yes, sure. 当然可以。 否定回答：No, you cant. 不，不行。,Now make sentences using could and the following phrases. （1）go to the movies 去看电影 （2）stay out late 在外面待得很晚 （3）use the car 使用汽车 （4）get a ride 去骑车 （5）use your computer 使用你的电脑 （6）borrow some money 借些钱 （7）invite my friends to a par
6、ty 邀请我的朋友参加晚会 （8）go to the store 去商店 （9）use your CD player 使用你的CD播放器,3. could与can的区别 could与can都是情态动词，could是can的过去式。二者都可用于表示请求，但是用法稍有不同。 can表示一般性的请求，语气随便，常用于熟人之间或长辈对辈、上级对下级的场合； Can you tell us your story, Tony ? 你能给我们讲讲你的故事吗，Tony？,could表示有礼貌的请求，语气委婉，常用于非熟人之间或晚辈对长辈、下级对上级的场合。 Could you tell us if it sn
7、ows in winter in Australia? 请告诉我们，澳大利亚冬天下雪吗？ Sure. 当然可以。,Excuse me, could you help me carry the heavy box? _. A. Yes, I could B. With pleasure C. It doesnt matter D. Dont mention it,【点拨】选B。Could you .? 表示客气地征求意见或请求许可的询问方式，不能用could 回答。with pleasure 表示同意，意为“乐意效劳；愿意帮助”。C、D是对感谢的回答，不符合语境。,Could you pleas
8、e ?,Could you please ？,4a,Write R for requests and P for permissions. Then match each one with the correct response.,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?,a. Yes, here you are. b. Hmm. How much do you need? c. Ye
9、s, sure. No problem. I finished reading it last night.,P,R,P,4. _ Could you help me do the dishes? 5. _ Could you lend me some money?,d. Yes, but dont come back too late. e. No, I cant. I cut my finger and Im trying not to get it wet.,R,R,borrow v. 借；借用 May I borrow your bike? 我可以借用你的自行车吗？,Could you
10、 _ your dictionary to me? A. borrow B. lend C. keep D. use,【点拨】选B。句意为：你能借给我你的字典吗？对主语“你”来说是借出，lend“借出”，lend sth. to sb. “把某物借给某人”, 其反义词是“borrow”。,borrow和lend都可译为“借”，但用法不同。 （1）borrow “借，借入；借用”，从主语的角度讲，指“借入”或“借用他人的东西供自己使用”。常用结构为：borrow sth. from sb. 或borrow ones sth. 意为“向某人借某物”。,borrow / lend,（2）lend “
11、借出；借给”，从主语的角度讲，表示把自己的东西“借出”给别人使用。常用结构为：lend sb. sth. 或lend sth. to sb. 意为“借给某人某物”。 （3）borrow和lend均为非延续性动词，若表达借某物多长时间时，不能用borrow 或lend, 而要用keep, 意为“保存；保留”。,用borrow或lend的正确形式填空： 1. He _ a book from me, and never returned it. 2. Can I _ your bicycle? 3. Joe _ this car to us for the weekend. 4. I _ two
12、books from the library. 5. English has _ many words from French.,borrowed,borrow,lent,borrowed,borrowed,6. Can I _ your car on Saturday? 7. Can you _ me $10? 8. _ me your car. 9. _ your car to me.,borrow,lend,Lend,Lend,单项选择： 1. I _ some books from my friend and I _ them to my cousin this morning. A.
13、 lent; kept B. kept; lent C. lent; borrowed D. borrowed; lent 2. - Can I _ your rubber? - Sorry. Lily _ it already. A. lend, has lent B. borrow, has lent C. lend, has borrowed D. borrow, has borrowed,D,D,3. A：Howlongcanshe_ thebook? B：Twoweeks. A.borrow B. lend C. keep D. return,C,4b,Fill in the bla
14、nks in the conversation.,A: I hate to _ chores. B: Well, I hate some chores too, but I like other chores. A: Really? Great! _ I ask you to _ 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!,do,Could,help,Could,fold,A
15、: 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.,could,please,could,hate v. 厌恶；讨厌 I hate rainy days, and I hate going / to go out on rainy days. 我讨厌雨天, 更讨厌雨天外出。,I hate to play soccer. A. not like to play B. not like playing C. dislike play D. dislike playing,【点拨】选D。hate的同义词为dislike“不喜欢”, dislike跟动词-ing形式或不定式。,+ n. / pron. 不喜欢/憎恨某人/某物 + to do sth. 不喜欢做某事（表示具体的动作
