Unit 3 Section A（GF-4c）（讲解课件）-【优翼·学练优】2024-2025学年八年级英语下册同步备课（人教新目标）

优质教学资源合集 优翼与一线教师联合编写，为各位老师提供优质的原创资源，内含教学课件、教案、配套习题课件、原创模拟卷、课文朗读音视频等资料。 实时更新！ 扫码关注！ 原创 八年级（下） 优翼英语教学课件（RJ） Unit 3 Could you please clean your room? Section A (Grammar Focus-4c) 优翼八年级英语下（RJ） 教学课件 学习目标 Key words & phrases: pass; borrow; lend; finger; hate; chore; while; pass me that tool bag;lend me some money. Key sentences: 1. Could I borrow that book? 2. Could you lend me some money? 3. I will finish my homework while you help me with the dishes. To learn the usage of modal verb “could”. Lead in Do you know how to make requests and ask for permission politely ? Could you please make your bed? Yes, sure. www.youyi100 Could you please do the dishes? Sure, that should be OK. Could you please wash the clothes? Sorry,I can't. I have to study for the exam. www.youyi100 Could I hang out with my friends? No, you can't.You have to take the piano lesson. www.youyi100 Free talk Which do you think is the most polite one? 1. Sweep the floor, Peter! 2. Can you sweep the floor, Peter? 3. Could you please sweep the floor,Peter? www.youyi100 Grammar Focus 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. www.youyi100 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. 出去吃晚饭 喝点东西 遛狗 倒垃圾 www.youyi100 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。 www.youyi100 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. www.youyi100 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。 www.youyi100 用于征得许可 “Could I...?”意为“我能……吗？”，用于请求对方允许自己做某事。 —Could I have a look at your new watch? —Of course you can. Here you are. —Mum, could I go out for a while? —I'm afraid you can't. You have to wash your clothes first. Yes, you can. / Of course you can. /Yes, please. Sorry, you can't. /I'm afraid you can't. /No, you mustn’t. 否定回答 肯定回答 www.youyi100 特别提醒： Could/Can I come in? 表示请求允许（即请求别人允许自己做某事），could和can都可以用，但could语气更委婉。 —Could I use your pen? —Of course you can. 对别人的请求许可的回答，一般只用can，而不用could。 www.youyi100 用于表示能力 could 表示过去的能力，表示现在的能力用can。此时could是can的过去式。 Could you speak English then? Looking down from the plane, we could see the light on the runway. www.youyi100 表示推测 You could be right, but I don’t think you are. (对现在的推测) We could go there this summer. (对将来的推测) ①后接动词原形，表示对现在或将来的推测。 Where could he have gone? She couldn't have left so soon. ②后接动词的完成式，表示对过去的推测。 www.youyi100 表示建议 You could go to the station by subway. You could do housework for your mother. “You could...” 表示提建议，意为“你可以……” 。 www.youyi100 Presentation 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 that tool bag? 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 www.youyi100 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 that tool bag? 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 lend sb. sth. 把某物借给某人 www.youyi100 4b Fill in the blanks 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 don’t want to do that! It’s boring! Could do help Could fold www.youyi100 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 www.youyi100 4c Make a list of things your group needs to do for a camping trip. Then discuss who will do them and complete the chart. A: Could you please bring a tent, Liu Chang? B: Sure. And could you please...? C: Sorry, I can't. I have to... To-do list Name bring a tent Liu Chang www.youyi100 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 www.youyi100 1. Could I hang out with my friends after the movie? hang out为固定短语，此时hang的过去式和过去分词均为hung。 hang out 闲逛 She is hanging out with her friends in the shopping mall. 【拓展延伸】 含hang的其他常见短语： Language Points www.youyi100 hang hang on 抓紧；别挂电话 hang up 挂断电话 hang back 犹豫；留下，吞吞吐吐 hang together 言之成理；连贯，一致；互相支持 www.youyi100 2. Could you please pass me the salt? pass在此处为及物动词，意为“给；递”。pass sb. sth. = pass sth. to sb.，意为“把某物递给某人”。如果sth. 为代词，只能用pass sth. to sb. 结构。 pass v. 给；递；走过；通过 He passed me the magazine. = He passed the magazine to me. This ball is Owen's. Please pass it to him. www.youyi100 pass 走过；通过 及格；合格 (时间) 过去；流逝 The road was so narrow that cars were unable to pass. The days passed slowly. I was happy that I passed the exam. 【拓展延伸】 pass作动词的其他常见含义： www.youyi100 3.①Could I borrow that book? ②Could you lend me some money? borrow v.借；借用 lend v. 借给；借出 【易混辨析】 borrow与lend 含义 常用结构 borrow “借；借用”，指主语从别人处“借来”东西自己使用。 borrow sth. (from sb.) （向某人）借某物 lend (lent, lent) “借给；借出”，指主语把自己的东西“借出”给别人使用。 lend sth. to sb.=lend sb. sth. 把某物借给某人 www.youyi100 【拓展延伸】keep也可表示“借”，是延续性动词，常与表示一段时间的状语连用。keep sth. for some time表示“借用某物一段时间”。而lend与borrow是短暂性动词，不能与表示一段时间的状语连用。 【巧学妙记】主语借出用lend，主语借入用borrow，想要保存用keep。 Nick borrowed a book from the library and he lent it to me. He told me that I could keep it for a week. www.youyi100 4. I'll finish my homework while you help me with the dishes. 1) while在此处作连词，引导时间状语从句，强调在从句动作发生的同时，主句动作也在进行。 while conj. 与……同时；当……的时候；而；然而 While I was doing my homework, my father was reading a book. 2) while作连词，还可表示“而；然而”，强调两者之间的对比。 This shirt fits better while that one has a nicer style. www.youyi100 Exercises 一、单项选择。 1.—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 2.—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 www.youyi100 3.—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 doesn't matter D. Not at all 4.—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 5.Li Ming ____ speak two languages when he was eight years old. A. may B. can C. can't D. could D B D www.youyi100 6.—David, ____ you please sweep the floor and take out the rubbish? —OK. Mum. A. could B. may C. should D. must 7.—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 A www.youyi100 二、完成句子。 1.杰克，请你把垃圾倒掉好吗？ Jack, _____ _____ ______take out the rubbish? 2.下课后我们能去踢足球吗？ ______ ____ _____ fooball after class? 3.我能借你的伞用一下吗？ ______ ____ _______ your umbrella? could you please Could I borrow Could we play www.youyi100 Homework Preview the new words and phrases in Section B(1a-1e). Do the exercises in students’ book. www.youyi100 $$