八年级英语人教版下册 Unit 3 Could you please clean your room？ 课件

这是一份八年级英语人教版下册 Unit 3 Could you please clean your room？ 课件，共20页。
课题：Could you please clean your room? 难点名称：情态动词could的用法及礼貌地提出请求和征求许可1八年级-下册-第三单元参赛教师：张玲霞时间：2020.8.29目录CONTENTS2Could 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 want to watch one show first.Could you please take out the rubbish?Yes, sure.｝｝ask for permission politely礼貌地征求许可make polite requests礼貌地提出请求导入4情态动词could的用法及礼貌地提出请求和征求许可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?Write R for requests and P for permissions. Then choose a right answer.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.测一测Write R for requests and P for permissions. Then choose a right answer.1. Could I hang out with my friends after the movie? 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.d. Yes, but don’t come back too late.PWrite R for requests and P for permissions. Then choose a right answer.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. Yes, here you are. 2. Could you please pass me the salt? RWrite R for requests and P for permissions. Then choose a right answer.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.3. Could I borrow that book?c. Yes, sure. No problem. I finished reading it last night.PWrite R for requests and P for permissions. Then choose a right answer.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.4. Could you help me do the dishes?e. No, I can’t. I cut my finger and I’m trying not to get it wet.RWrite R for requests and P for permissions. Then choose a right answer.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.5. Could you lend me some money?b. Hmm. How much do you need?R1. Could I ...? 和 Could you please...? 这两个句型中，could 不是用作can的过去式，而是使用could语气更加委婉。类似的礼貌的表示请求或建议的句型有：1. Would you like +sth. / to do sth.?2. Shall we + do sth.?3. May I + do sth.?4. What / How about + sth. / doing sth.?5. Would you mind + sth. / doing sth.?知识点讲解2. Could I ...? 和 Could you please...? 这两个句型中，回答 时要用 can 或 can't，不能用could 或couldn't. -- Could I turn the television up? -- Yes, you can. / Sorry , you can't. -- Tom, could you please sweep the floor? -- Sure, I can. / Sorry, I can't. I have to practice the piano. 根据提示完成下列句子。1. The math problem is difficult. Mary wants to ask the teacher for help: Could you please help me with the math problem? 2. Mary wants to go to the movies after dinner. She may ask her mother: Could I go to the movies after dinner? 3. -- Could you come and play basketball with us? -- I’m afraid I ______. I have to do my homework.4. -- Could I go out with my friends tonight, mum? -- Of course, you _____. But you must be back by 11:00.can'tcan试一试请求允许问句：1. Can / Could / May I ...? 我可不可以.......？2. Can / Will you please ...? 你能......吗?3. Would you mind ( not) ...?你介意(不)......吗?4. I wonder if I could /can... 我想知道我能否.....5. Would you please..? 你能......吗?6. I wonder if... 我想知道是否.....7.Do / Would you mind if...? 你是否介意我......?表示不介意/同意的回答:1. Yes. / Sure. / Of course./ Yes, I will.当然可以。2. No, not at all. 不，一点儿也不介意。3. Yes, do please. / Go ahead, please. 请吧。4. That's OK. / AII right.好的。5. Please hurry. 请快点儿。6. No, I don't mind. 不，我不介意。7. Certainly not. /Of course not. 当然不介意。8. No, go ahead. 不介意，你干吧。9. Sure, I'll be glad to... 当然可以,我将会很高兴......表示介意/不同意的回答:1. Sorry, I'm afraid I can't.对不起，我恐怕不行。2. You'd better not.你最好不要。3. I'm afraid not.恐怕不行。4. I'm sorry you can't...很抱歉，你不能.....记一记Learn more about “could”could 与 can 都是情态动词，could 除了可以表达礼貌地提出请求和许可外，还有以下用法：1. could 是can 的过去式，表示一种能力。Example: Lisa could play the violin when she was 6. 莉萨在她六岁的时候就会拉小提琴了。选用正确的情态动词填空。1. When I was young, I _____ play different kinds of instruments.2. My little sister _____ speak English well.couldcan2. could 还可以用来表示推测，表示“有可能，也许”，语气 缓和，较委婉。Example: The French book could be Alice's. She studies French. 这本法语书很可能是爱丽丝的。她学法语。3. 表示建议。Example: You could buy your mother a handbag as her birthday present. 你可以给你的妈妈买一个手提包作为她的生日礼物。1. -- Excuse me, could you help me with the heavy box? -- _____. A. Yes, I do B. It doesn’t matter C. Of course2. -- Could I have your name, please? -- _______. A. Sorry, I’m not B . Yes, you could C. You can call me Jenny3. -- Could I use your bike? -- Sure, you _______. A. might B. can C. should4. -- Could you please clean the room? -- ______ I have to do my homework. A. Yes, sure. B. Why not? C. Sorry, you can’t. D. Sorry, I can’t.5. — Would you like to come to my birthday party? —I’d love to, _____I’m too busy. A. and B. if C. so D. but课堂练习 could的用法can 的过去式I could jump high when I was a little girl.表推测It could be Mary's hair band. She likes pink very much.表建议You could ask your English teacher for help.礼貌地请求Could you please make your bed?请求许可Could I go out for dinner with may friends?小节A polite person can travel the world.有礼貌的人能走遍天下。