Unit 3 SectionA Grammar Focus-4c 课件 2024-2025学年人教版八年级英语下册

Section A Grammar Focus - 4c Unit 3 Could you please clean your room? Finish the preclass test and find your problems. Pre-class Test 1. sweep—swept (过去式) 2. take out the rubbish　倒垃圾 3. do/wash the dishes　洗餐具 4. fold one's clothes　叠衣服 5. make the bed　铺床 6. give sb. a ride 让某人搭车 7. stay out late　待在外面很晚 8. get a ride　搭便车 9. want sb. to do sth. 想让某人做某事 10. help out with sth.　帮忙做某事 11. finish doing sth.　做完某事 12. go out for dinner 出去吃晚饭 13. sweep the floor 扫地 14. be back from doing sth. 做完某事回来 15. come over 过来，来访 16. throw down　扔下--threw(过去式) 17. in surprise　吃惊地 18. to one's surprise 令某人惊讶的是 19. take sb. for a walk 带某人散步 20. all the time　频繁;反复 21. as soon as/the minute/the moment一…就… 22. walk away 走开 23. shout back 顶嘴 could 委婉 请求 否定 回答 否定句 肯定句 肯定 回答 Could you (please) + 动词原形? Sorry, I can't. I have to do my homework./ I'm afraid I can't. I am doing my homework. I'd love to, but I'm going to school. Yes, I can. / Yes, sure. / All right / Certainly / I’d love to./ No problem / With pleasure Could you (please) not + 动词原形? Could表委婉请求的用法 Grammar 情态动词could的用法 语法概述 情态动词could可用于有礼貌地向对方提出要求或请求，也可用于提出建议。它本身不能作谓语，必须和不带to的动词原形一起构成谓语。 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 Read and compare Presentation 呈现Grammar Focus中的问答句，让学生朗读，感知并对比区分could的两种功能。 T: Here’re four questions and their answers about could. Please read and compare its two different functions. 6 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 want to watch one show first. Could you please take out the rubbish? Yes, sure. Look and learn Presentation Asking people to do things(请求别人做某事) 常用句型 Could you (please) do sth.? 肯定回答 Yes, sure./Of course./No problem./With pleasure… 否定回答 Sorry, I have to…/I am afraid I can’t. I have to…/OK, but I…first. Asking for permission(请求别人允许自己做某事) 常用句型 Could I do sth.? 肯定回答 Sure./Yes, you can./Yes, please. 否定回答 Sorry, you can’t. /I am afraid you can’t. 随后呈现课件资源【知识解析】情态动词could表示请求和允许，结合图示的方式，讲解情态动词could表示请求和允许的语法内容。 T: As we know, “could” can be used for making requests and asking for permission politely. Now let’s look and learn the new grammar. 7 Language points 1. Could I borrow that book? 我可以借那本书吗？ borrow v. 借；借用 May I borrow your bike? 我可以借用你的自行车吗？ 【辨析】borrow与 lend borrow 借入 borrow sth. from ＋地点 或borrow sth. from sb. You can borrow this novel from the library.你可以从图书馆借这本小说。 lend 借出 lend sb. sth.＝lend sth. to sb. I lent it to Lucy yesterday.我昨天将它借给露西了。 B: I don’t want to do that! It’s boring! A: OK. Then ______ you _______do the dishes for me? B: Sure, no problem. But _______ we go to the movies after that? A: Sure. I’ll finish my homework while you help me with the dishes. Then we can go to the movies. could please could B: I don’t want to do that! It’s boring! A: OK. Then _____ you ______ do the dishes for me? B: Sure, no problem. But _____ we go to the movies after that? A: Sure. I’ll finish my homework while you help me with the dishes. Then we can go to the movies. could please could Presentation _____ ____ get something to drink after the movie? _____ ____ go out for dinner with my friends? Complete sentences according to each situation. The girl wants to go out for dinner. Could I The girls wants to get some drink after the movie. Could we 4a Could she speak English when you were in America? Hey, Madam, could I try on those shoes? She studied hard but still couldn’t pass the exam. Could you give me a suggestion about learning English? A: What can we do at the old people’s home? B: We could volunteer at the old people’s home to cheer them up. What does “could” mean in each sentence? Ability ask for permission Ability make request Advice _____ ____ ______ take the dog for a walk? _______ _____ _____ take out the rubbish? The mother wants the boy to take the dog for a walk. Could you please The mother wants the boy to take out the rubbish. Could you please could could could make requests ask for permission give advice A: Could you please do the laundry? B: Yes, sure. A: Could I/we use your computer? B: Sorry. I’m working on it. A: My sons have headaches. B: They could see a doctor. The summary of “could” could mean the past of can She could read by herself at the age of four. ability 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 want to watch one show first. Could you please take out the rubbish? Yes, sure. 找出句子的相同点。 出去吃晚饭 喝点东西 遛狗 倒垃圾 Grammar Focus 用于提出要求或请求 “Could you please...?” 意为 “能请你……吗？”，用于提出要求或请求。 否定形式为Could you please not...? 肯定回答 Yes, sure./Of cousre. 是的，当然可以。 No problem. 没问题。 With pleasure. 乐意帮忙。 Sure./Of course./Certainly, I can. 当然可以。 —Could you please lend me your bike? —Sure./Of course./Certainly, I can. 【注意】 keep也可表示“借”，是延续性动词，常与一段时间连用，表示“借用多长时间”。而borrow和lend是非延续性动词，不能与一段时间连用。 You can keep the book for a week. 这本书你可以借用一周。 Grammar Focus 情态动词could的功能 1. 委婉地提出要求 委婉提问: Could you please (not) + 动词原形...? “能请你(不)……吗？” 肯定回答: Sure/Certainly/Of course/No problem/With pleasure. 乐意帮忙。 否定回答: Sorry, I can’t./I‘m afraid I can’t./I'm afraid not. 我恐怕不行 2. 委婉地请求许可 委婉提问: Could I + 动词原形 ...? “我能……吗？” 肯定回答: Yes, you can. / Of course you can. /Yes, please. 否定回答: Sorry, you can't. /I'm afraid you can't. /No, you mustn’t. 【注意】回答只用can/can't，不用could/couldn't. 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... 我恐怕不能。我得…… I'm afraid not. 恐怕不行。 —Could you please go hiking with me tomorrow? —Sorry, I can't. I have to prepare for a competition. 否定回答 肯定回答及否定回答中,均不用could,而是要用can代替could。 2. Could I hang out with my friends after the movie？ 看完电影后我可以和我的朋友闲逛吗？ hang out闲逛（常用于美语口语中），还可以表示“常去某处；泡在某处”。 Where do you hang out these days？ 这些日子你们都在什么地方闲逛？ Could you please bring a tent, Liu Chang? Sure. And could you please…? Sorry, I can’t. I have to… Presentation Exercise 1. __ Do you plan to watch a talent show or a sports show tonight? __ _______.I can’t stand them. I plan to watch a sitcom. A.Neither B.Both C.None D.Either 2.Alex believe he will soon be able to play chess as____as the computer. A.well B.better C.best D.the best 3.My family will go to Yunnan as soon as the holiday_______. A.will begin B.begin C.begins D.beginning 4.__ Could you please do the cleaning ? __ ______________. A.No problem B.Sorry, I am afraid I can’t C.With pleasure D.A, B and C 5.__ How long may I_________your book? __ For a week. But you mustn’t ________it to others. A.borrow;lend B.keep;lend C.lend;borrow D.keep;borrow A: Could you please bring a tent, Liu Chang? B: Sure. And could you please bring a camera, Mary? C: Sorry, I can't. I have to prepare some food and drinks. D: I'd like to bring a camera. And could I prepare some cards? We can play a card game there. A: That's a good idea. And I'll bring some matches and a flashlight. Example Make a list of things your group needs to do for a camping trip. Then discuss who will do them and complete the chart. 4c To-do list Name bring a tent Liu Chang A: Could you please bring a tent, Liu Chang? B: Sure. And could you please...? C: Sorry, I can't. I have to... 1. 洗餐具 2. 倒垃圾 3. 叠衣服 4. 扫地 5. 叠被子 6. 打扫客厅 7. 外出就餐 8. 去看电影 1.do the dishes 2.take out the rubbish 3.fold your clothes 4.sweep the floor 5.make your bed 6.clean the living room 7.go out for dinner 8.go to the movies —Could you tell me how to pay for the food by QR code(二维码)on the phone? —_____. A. Take it easy B. It doesn't matter C. With pleasure D. You're welcome —Gina, could you please play the drums on the art festival? —_____. I can only play the guitar. A. I'm afraid I can't. B. Yes, I can. C. Sure, I'd love to. C A 1 2 Exercises —Could you please help me wash the car, Tony? —____, I'm studying for my coming English test now. A. That's right B. I'm sorry C. It doens't matter D. Not at all —Could I invite my friends to the party on Saturday, Mom? —Of course you ____. That sounds like fun. A. may B. could C. must D. can —Mum, it's too hot. ____ I swim in the lake? —No, you ____. That's too dangerous! A. Should; can't B. Need; mustn't C. Must; needn't D. Could; mustn't D B D 3 4 5 $$