Unit 2 Home Sweet Home 第3课时 Section A (3a-3c)课件 2025-2026学年人教版（2024）英语八年级上册

该初中英语课件聚焦情态动词can/could用于礼貌请求和征求许可的句型及回应，通过视频导入（“What does this video talk about?”）引发思考，结合家庭场景例子（如整理物品、打扫房间等）搭建学习支架，先呈现基础句型，再通过分类练习巩固，为语法聚焦和实际应用铺垫。 其亮点在于以语言能力和思维品质培养为核心，设计真实语境任务。例如3c的情景对话（借手机、借笔记等）和Pair Work的日常场景对话，让学生在互动中提升语言表达和理解能力。Exercises的辨析题（如could与can的区分）和对话补全，培养逻辑思维和问题解决能力。资料贴近生活主题，Summary系统梳理词汇、短语和语法点，帮助学生构建知识体系。对学生而言，真实情景激发学习兴趣，提升应用能力；对教师而言，分层活动设计和详细语言点解析可直接用于课堂，提高教学效率。

Unit2: Home Sweet Home. 八上英语RJ 第3课时: Section A (3a-3c) What can you do for your home? Learning goals 1. grasp the sentence patterns of making requests and asking permission. 2. understand other usages of the modal verbs "can" and "could". 3. learn how to make polite requests and receive appropriate responses. Vocabulary Pre-reading What does this video talk about? If you have difficulties, you can politely ask others for help. Make polite requests.(礼貌地请求) Can / Could you (please) do …? Ask for permission.(征求许可) Can / Could I do …? hang out with friends after lunch keep some fish grow some flowers sort things into boxes hang up the photos sweep the floor clean up the room 用于请求别人做某事 用于请求别人允许自己做某事 Review and fill What children want to do What parents want them to do hang out with friends after lunch sort things into boxes keep some fish take care of them every day help me hang up the photos grow some flowers sweep the floor invite friends to our new house help me clean up the room help put the new clock on the wall move this chair to their room put some flowers by the window take me to the flower shop later Ask for permission.（征求许可） Can / Could I do …? Make polite requests.（礼貌地请求) Can / Could you (please) do …? 3a Grammar Focus 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! R P P R 立刻，马上 Language points 1.用于委婉地请求别人做某事 常用句型 Could you (please) do sth? Can you do sth? 肯定回答 Yes, sure./Of course. 好的，当然可以。 No problem. 没问题。 With pleasure. 乐意帮忙。 Sure/Of course/Certainly. 当然可以。 否定回答 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... 恐怕不行。我得…… I’m afraid not. 恐怕不行。 Language points 常用句型 Can / Could I do sth? 肯定答语 Yes, good idea. / Yes, you can. /Certainly. / Yes, please. / … 否定答语 Sorry, you can’t./ Sorry,I’m afraid you can’t. / … 2.用于委婉地请求别人允许自己做某事 无论是“Could you (please) ... ?”还是“Could I ...?” ，问句中的 could 都可用 can 来代替，但是 could 更委婉。且答语中一般都避免使用 could 来回答。 注 意 Language points could 的其他用法如下： (1)could 为 can 的过去式，表示能力 He could ride a bike at the age of five. 他五岁时就会骑自行车了 拓 展 (2)表示可能性，指对过去、现在或将来的某种可能的推测 The book could be Lily’s because she likes reading books. 那本书可能是莉莉的，因为她喜欢看书 (3)表示建议。 You could go there by bus. 你可以乘公共汽车去那儿 Exercises 1. --- My English is poor. Could you help me with it? --- . A. Thank you B. Me, too C. No problem D. See you 2. ---Mom, could I surf the Internet after finishing my homework? --- .You’d better go out for a walk. A. Go ahead B. Sorry, you can’t C. Of course you can 3. --- you give me a hand? I can’t move the box by myself. ---No problem. A. Could B. Should C. Must D. Need 4. --- Helen, could you please water the flowers in my garden? --- . They are so lovely. A. That’s too bad B. With pleasure C. You’re welcome D. I’m afraid not 单项选择 C B A B Exercises 选词填空 1. Could you please (take/taking) out the rubbish? 2. David, my pen is broken. (Should/Could) I use yours? 3. (Can/Could) you play basketball when you were in primary school? 4. — Could you please sweep the floor, Jenny? —Sorry, I (can’t/couldn’t). I’m doing my homework. 5. —Could I give away these books to the poor children, Dad? —Sure, you (can/could). take Could Could can’t can Grammar Focus 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, could I go to the toilet? D. Could I use your computer? A: ______________________________ B: Of course you can. Let me show you the way. A: ______________________________ B: Yes, if you are careful with it. A: ______________________________ B: No, you can’t. You have a basketball game tomorrow, remember? You need a good rest. A: Can I go to the movies? B: Of course. A: ______________________________ B: I can’t. I have to do some work now. Mr Lake, could I go to the toilet? Could I use your computer? Can I stay out until eleven? Could you give me a ride to town now? until（介词 & 连词）到……时；直到……为止 be careful with 注意；当心 同义短语：be careful of/about 当心；留意 Be careful with the glass. 小心玻璃 Grammar Focus 3c Make up conversations for each setting, using can or could. 1. You’re at your friend’s home. You want to call your parents, but your phone is dead. A: Can / Could I use your phone? B: Sure. / Of course. 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. _______________________________________________________________________ 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. _______________________________________________________________________ _______________________________________________________________________ A: Can / Could I borrow your notes? B: Of course. Here are my notes. A: Can / Could you help me open the door? B: Sure. / Of course. A: Can / Could you bring gloves and rubbish bags for cleaning up the community? B: Sure. / Of course. 做笔记 It’s + adj.+ to do sth. 做某事是……的。it是形式主语，真正的主语是后面的动词不定式短语 社区；社团 清扫 Language points 1. Can I stay out until eleven? 我可以在外面待到十一点吗？ (1)（介词）到……时；直到……为止; 后接具体的时间。 She worked until 10 p.m. yesterday. 昨天她一直工作到晚上 10点。 (2)（连词）到……时；直到……为止; 常用于引导时间状语从句。 I waited until they finished talking. 我一直等到他们谈完为止。 He didn’t come out until the meeting was over. 主句 until引导的时间状语从句 主句 until引导的时间状语从句 Language points 2. You and your classmates want to help clean up the community. 你和同学们想要帮助清扫社区。 clean up 清扫，是“动词+副词”型短语，当人称代词作宾语时，需要放在clean与up之间。 The yard is full of rubbish. Let’s clean it up. 院子里到处是垃圾。我们来清扫一下吧。 Pair Work Choose one setting from your daily life, then make a long conversation using can or could. A: Ouch! I've fallen. B: Are you okay? That looks painful. A: My knee really hurts. Could I ask you to help me up? B: Absolutely(绝对地). Do you think you can stand steadily(稳定地)? A: I'm not certain. Could I hold your hand for more support? B: Of course. Do you think you can walk? A: I don't know. Could you help me walk to that bench over there? B: No problem. Let's take it slow. Summary New words Expressions Grammar until; movie; dead; note; community; rubbish be careful with; the movies; take notes; clean up make polite requests and ask for permission Make polite requests: 用于请求别人做某事 Ask for permission: 用于请求别人允许自己做某事 Exercises 1. Could you please pass me the book? 2. Can I use your pen? 3. Could you help me carry the box? 4. Can l go out for a walk ? 5. Could you open the window? 基础巩固 I. 根据句子含义, 将“R”(表示提出请求)或“P”(表示征求许可)写在横线上 R R R P P Exercises 1. She waited at the bus stop the bus arrived. 2. People in the often help each other. 3. They left a for their neighbour to explain they'd be away. 4. The actor in the story was thought to be , but he came back in the end. 5. We are going to watch a new at the theatre tonight. 基础巩固 II.用方框内的单词完成句子 community movie until dead note until community note dead movie Exercises 技能提升 Ⅲ. 选择恰当的句子补全对话, 其中有两项多余 A. That would be great B. can you help me carry the box C. I'm not sure where to put this bookshelf D. do you think this picture looks good here E. we need to buy some green plants F. I'll go and get them right away G. Let's paint the walls light blue Tom: There are a lot of things to do in our new home. Lily: Yes. 1. . Tom: Good idea. Light blue will make the room look bigger. But first, 2. ? It's so heavy. Lily: Sure. Where do you want to put it? Tom: Over there, against the wall. After that, 3. . They can make our home more lively. Lily: I agree. We can go to the flower market later. Oh, 4. Tom: Hmm, it's a bit too high. Maybe lower it a little. Lily: OK. And we also need to arrange the furniture(家具). 5. Tom: How about near the window? We can read books there. Lily: Great! G B E D C 1. Review the new words and phrases. 2. Review the usage of could and can. 3. Make up sentences to ask for permission and make polite requests. Homework Goodbye Lavf60.4.100 $