Unit 2 Section A Grammar Focus (3a～3c) 课件2025-2026学年人教版（2024）英语八年级上册

Home Sweet Home Home Sweet Home Section A Grammar Focus (3a~3c) What can you do for your home ? Unit 2 学习目标 能够归纳总结情态动词can和could用于礼貌地提出请求和征询许可的结构特征功能及用法。 能够根据实际情况运用have to , need to 等表达，得体地对请求或许可征询问题给出回应。 能够在真实语境中灵活运用can和could礼貌地提出请求和征询许可。 Review In this unit, the mainly grammar we learn is how to use “Can I... / Could you ...”. Do you know how to use tthem ? Do you know the difference between them ? Now let’s practice them. Review _________ help me clean their room? Sure. Could you Use “Can I / Could you” to fill in the blanks. Review ________invite my friends to our new house ? Yes, you can. Can I Use “Can I / Could you” to fill in the blanks. Review __________help me put a new clock on the wall ? Of course. Could you Use “Can I / Could you” to fill in the blanks. Review __________ put some flowers by the window ? Yes, you can. Can I Use “Can I / Could you” to fill in the blanks. Review __________ move this chair to their room ? No, problem. Could you Use “Can I / Could you” to fill in the blanks. Review ________ keep some fish in the living them ? Yes, but you need to take care of them. Can I Use “Can I / Could you” to fill in the blanks. Review __________ grow some flowers there ? Sure, you can. Can I Use “Can I / Could you” to fill in the blanks. Review __________ take me to the shop flower ? Yes, you can. Could you Use “Can I / Could you” to fill in the blanks. 3a Read the questions with can or could. Notice how they are answered. Then write R for requests or P for permission next to each question. Could you please sweep the floor? OK, Mum. I’ll do it at once. Could I hang out with my friends after lunch? Sorry, Jim, but you have to pack up your things first. Can I put some flowers on the table? Yes, good idea! Can you help me hang up the photos? Sure./No problem! Ask for request: R Ask for permission: P Ask for permission: P Ask for request: R Language points Can / Could 的用法： 均为情态动词，后接动词原形 can 表示能力：意为 “能，会” I can swim. / I can’t sing. 表示请求，征询许可：意为 “能，可以” Can I watch TV, mum ? Can you help your sister ? could could 为 can的过去式 (表能力时） 表示请求，征询许可：意为 “能，可以” I couldn’t swim before, but now I can. Could I come in ? Could you water plants Tips: 当can/could都是 表示请求，许可时： could 比can 语气 更委婉，礼貌 Language points “Can/Could you please...?” 用于提出要求或请求, 意为 “ 你能/可以........吗？” 肯定回答 Sure. / Of course . No problem . With pleasure. Yes, I can . 否定回答 Sorry, I can’t . ( I have to ....) Sorry, I have to ..... Sorry, I’m afraid not. ( I must .....) Sorry, I’m afraid I can’t. ( I need to ....) Tips: could 提问, can来回答。 could 不要 出现在答语中。 I’d love to, but ....... Exercise 1. -- Could you help me feed my cat ? -- ________________. I ‘d like to look after cats. 2. -- Could you please clean the living room ? -- ____________. I have to water plants. 3. -- Could you pass the eraser to me ? -- ________________. Here you are. 4. -- Could you please sweep the floor ? -- ___________________. I must go out now Sure. / Of course Sorry, I can’t Sorry, I’m afraid not No problem Language points “Can/Could I please...?” 用于征询许可，即请求对方允许自己做某事, 意为 “ 我能/可以........吗？” 肯定回答 Yes, you can. Of course you can. Sure. / Of course. Yes, good idea . 否定回答 Sorry, you can’t . Sorry, you have to ..... No, you can’t . Sorry, I’m afraid you can’t. Tips: could 提问, can来回答。 could 不要 出现在答语中。 Exercise 1. -- Can I sit here for a while ? -- ________________. Please sit down. 2. -- Can I borror your bike this weekend ? -- _______________. I’m riding it to visit my grandparents 3. -- Can I grow some flowers on the balcony ? -- ________________. That’s a good idea. 4. -- Can I hang out with my friends? -- ___________________. You have to look after your young sister. Of course you can Sorry, you can’t No, you can’t Yes, you can 3b Choose the best question to complete each conversation. A. Could you give me a ride to town now? B. Can I stay out until eleven? C. Mr Lake, can I use your toilet? D. Could I use your computer? 1. A:_____________________________ B: Of course you can. Let me show you the way. 2. A:_____________________________ B: Yes, if you are careful with it. C D give sb. a ride to sp. give sb. a lift to sp. not...until.. show sb. the way (to sp.) be careful with sth: 小心 当心 注意 3b Choose the best question to complete each conversation. A. Could you give me a ride to town now? B. Can I stay out until eleven? C. Mr Lake, can I use your toilet? D. Could I use your computer? 3. A:_____________________________ B: No, you can’t. You have a basketball game tomorrow, remember? You need a good rest. B 3b Choose the best question to complete each conversation. A. Could you give me a ride to town now? B. Can I stay out until eleven? C. Mr Lake, can I use your toilet? D. Could I use your computer? 4. A: Can I go to the movies? B: Of course A:______________________ B: I can’t. I have to do some work now. A 3c Make up conversations for each setting, using can or could. 1.You are at your friend’s home. You want to call your parents, but your phone is dead. ___________________________________________________________ 2. You were sick at home yesterday. Your friend went to an English class and took notes. You want to know more about the class. ______________________________________________________________________________________________________________________ A: Can/Could I use your phone? B: Sure./ Of course die -- dead dead: 不运行的 死的 A: Can / Could I borrow your English notes? B: Of course you can. 3c Make up conversations for each setting, using can or could. 3.You are holding a large box. It is difficult to open the door. Your neighbour comes. ___________________________________________________________ 4. You and your classmates want to help clean up the community. Ask your classmates to bring gloves and rubbish bags. ______________________________________________________________________________________________________________________ It is adj. to do sth A: Can / Could you please open the door? B: Sure. / Of course. A: Can / Could you please bring gloves and rubbish bags to clean up the community? B: No problem. ask sb. to do sth. Summary Function Questions Yes No Requests Could you (please) ...? Can you ....? Permission Could I... ? Can I ...? can / could 的用法 Sure. / Of course . No problem . With pleasure. Yes, I can . Sorry, I can’t . Sorry, I have to ..... Sorry, I’m afraid not. Sorry, I’m afraid I can’t. I’d love to, but ....... Yes, you can. Of course you can. Sure. / Of course. Yes, good idea . Sorry, you can’t . Sorry, you have to ..... No, you can’t . Sorry, I’m afraid you can’t. Thank you ! Thank you ! Unit 2 $