Unit 2 Section A（Grammar Focus 3a-3c）-【精品课】2025-2026学年八年级英语上册同步精品课件（人教版2024）

该初中英语课件聚焦can/could表礼貌请求与征求许可的用法，通过观看美国小学英语课视频激活兴趣，结合“孩子与父母的日常活动”复习旧知，再以“家务转盘”任务呈现新句型，搭建从已知到未知的学习支架。 其亮点在于融合互动设计与真实情境，通过转盘任务、Battle Time游戏及借手机、问笔记等生活场景对话创编，提升语言能力。强调礼貌用语文化差异，培养文化意识，采用“观察-分类-练习-创编”逻辑，结合分层练习锻炼思维品质。学生能在真实语境中掌握句型，教师可借助丰富素材高效开展语法教学。

Section AGrammar Focus 3a-3c Unit 2 Home Sweet Home 01 02 03 04 教学目标 通过语法表格，引导学生进一步掌握表示提出请求与请求许可方面的句型；同时了解can/could情态动词其他方面的用法。 引导学生观察与翻译，培养其独立思考和发散性性思维，变被动学习为主动学习。 引导与培养学生如何有礼貌地提出请求与得到相应的答复。 能够根据学习目标和个人情况，选择适合的学习策略，如多观察，多反思；多记笔记，多背诵等。 Watch the video 1 Lead-in Part 1. Question What does this video talk about? If you have difficulties, you can politely ask others for help. 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 4 Review and share 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 What children want to do What parents want them to do Review and share 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 Do you still remember how they start the conversation? Can / Could I do …? Can / Could you (please) do …? Ask for permission. （征求许可） Make polite requests.（礼貌地请求） Could you please _____________? sweep the floor Yes, Mum. I’ll do it at once. Sorry, I can’t. I must _________________ first. finish my homework sweep the floor mop the floor water the flowers hang up the photos hang up the photos make the bed sort the toys pack up clothes feed the fish do the dishes take out the rubbish walk the dog Can you _____________? make the bed Yes, Mum. I’ll do it at once. Sorry, I can’t. I must _________________ first. practice the piano sweep the floor mop the floor water the flowers hang up the photos hang up the photos make the bed sort the toys pack up clothes feed the fish do the dishes take out the rubbish walk the dog Would you like to _____________? do the dishes Yes, Mum. I’ll do it at once. Sorry, I can’t. I must _________________ first. read books sweep the floor mop the floor water the flowers hang up the photos hang up the photos make the bed sort the toys pack up clothes feed the fish do the dishes take out the rubbish walk the dog 2 Presentation Part 1. 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. 3a Translate all the sentences. Could you please sweep the floor? Yes, Dad. 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! 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 10 2 Presentation Part 2. 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. 3a Pay attention to the bold words. Could you please sweep the floor? Yes, Dad. 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! Make polite requests Ask for permission Make polite requests Ask for permission 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 11 总结 提出 要求 Can you help me hang up the photos? Could you please sweep the floor? 用于请求别人做某事 请求 允许 Can I put some flowers on the table? Could I hang out with my friends after lunch? 用于请求别人允许自己做某事 Request Permission P R P R R P R R Listen to the sentences and tell us it is R or P? Let’s play a game. Battle Time Can I ______________? Could you ___________? 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。 Can you lend me your pen? Could you please tell me the way to the subway station? 提出 要求 “Can/Could you please...?”“请你……好吗？”“你能/可以……吗？” 肯定回答 Yes, you can. 是的，你可以。 Of course you can. 当然可以。 Yes, please. 是的，去吧/用吧/…… 否定回答 Sorry, you can’t. 对不起，你不可以。 Sorry, I’m afraid you can’t. 对不起，恐怕不行。 Can I watch TV after finishing my homework? Can I try on this T-shirt? Can I turn on the fan? Could I hang out with friends tonight? Can/Could I...?”“我能……吗？” 请求 允许 注意 回答时：在回答用could 提出的请求时，通常不用 could而用 can。 例如： — Could I have a look at your book? — Yes, you can.(不能用Yes, you could.) — Sorry, you can’t.(不能用Sorry, you couldn’t.) 注意 使用 could只是让请求更礼貌，但仍要注意说话时的语气和态度，面带微笑、语调温和会让你的请求更易被接受。 例如：Could I stay up a little later to finish this movie? 我可以晚点睡把这部电影看完吗？ 肯定回答：Yes, you can. But don't stay up too late.可以，但别熬太晚。 否定回答：No, you can't. You have to get up early tomorrow.不行，你明天得早起。 情态动词 can / could 情态动词can和could都可用于表示能力、请求允许和给予许可，以及提出请求和建议。 1. 表示能力 例如：Can you speak English? 你会说英语吗？ He could sing very well when he was young. 他年轻的时候歌唱得很好。 When I was five, I could swim like a fish. 我五岁时游泳游得像条鱼一样好。（could 是can的过去式） 补充内容 2.提出建议 对平级或晚辈可用 can，快速给出建议； 对上级、长辈或需要体现礼貌时用 could，避免显得生硬。 We can eat in a restaurant this evening. 今晚我们可以在餐馆吃饭。 用 can 提出直接建议（常用于口语，语气较随意） Maybe I could give you a lift to the supermarket. 也许我可以让你搭我的车去超市。 You could try reading the instructions before starting.你可以试着在开始前先读一下说明书。 用 could 提出委婉建议（语气更礼貌、含蓄，适合正式或陌生场景） I can, you can, everybody can sing, dance, jump and run. He can, she can, everybody can run, sit and stand. You can, they can, everybody can cook, clean, wash the pan. We can, you can, everybody can draw, play and have a lot of fun! can/could无人称和数的变化 can/could+v.原型 Can/Could for polite request and permission. 表达 场景示例（请求→许可） 核心逻辑 “Sure.” “Can you help me?” → “Sure.” “May I use your phone?” → “Sure.” 口语化万能同意，简洁直接 “Of course.” “Will you pass the salt?” → “Of course.” “Can I borrow your book?” → “Of course.” 礼貌且正式的肯定回应 “No problem.” “Could you pick up the package?” → “No problem.” “May I leave early today?” → “No problem.” 强调 “无阻碍” 的积极态度 “Alright.” “Can you call me later?” → “Alright.” “May I join your group?” → “Alright.” 中性偏口语的同意 “Go ahead.” “Can you start the meeting?” → “Go ahead.” “May I start eating?” → “Go ahead.” 示意 “可以行动” 的许可 以下是既能回应请求（Request） 又能回应许可（Permission） 的通用同意表达。 Can/Could for polite request and permission. 以下是既能回应请求（Request） 又能回应许可（Permission） 的通用拒绝表达。 表达 场景示例（请求→许可） 核心逻辑 “I’m sorry, I can’t.” “Can you drive me home?” → “I’m sorry, I can’t.” “May I use your car?” → “I’m sorry, you can’t.” 道歉 + 直接拒绝，请求用 “我不能”，许可用 “你不能” “Not possible.” “Could you finish it today?” → “Not possible.” “May I enter the lab?” → “Not possible.” 简洁强调 “不可行” “I’m afraid not.” “Can you attend the party?” → “I’m afraid not.” “May I bring a friend?” → “I’m afraid not.” 委婉软化拒绝语气 “Not right now.” “Can you help me now?” → “Not right now.” “May I use the computer?” → “Not right now.” 暂时拒绝，保留可能性 Exercise 1. — you remind Sally not to wear her school uniform for the picnic tomorrow?  —OK. I’ll tell her. A. Must B. Should C. Can D. Need 2. The lovely boy ride the bike at the age of six. A. must B. could C. need D. should 3. —Bill, I use your ruler? —Of course, you can. Here you are. A. can B. must C. need D. should C B A 3b Can/Could for polite request and permission. 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? 1. A: ________________ B: Of course you can. 2. A: ________________ B: Yes, if you are careful with it. 3. A: _____________________ B: No, you can’t. You have a basketball game tomorrow, remember? You need a good rest. 4. A: Can I go to the movies? B: Of course. A: _____________________ B: I can’t. I have to do some work now. 3b Can/Could for polite request and permission. 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? 3. A: _____________________ B: No, you can’t. You have a basketball game tomorrow, remember? You need a good rest. P，问句中为Can/Could I B或D 答案为：B 3b Can/Could for polite request and permission. 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? 4. A: Can I go to the movies? B: Of course. A: _____________________ B: I can’t. I have to do some work now. R，问句中为Can/Could you 答案为：A 结合句意检查无误 3b Can/Could for polite request and permission. 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? 2. A: ________________ B: Yes, if you are careful with it. P，问句中为Can/Could I C或D 答案为：D 3b Can/Could for polite request and permission. 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? 1. A: ________________ B: Of course you can. 2. A: ________________ B: Yes, if you are careful with it. 3. A: _____________________ B: No, you can’t. You have a basketball game tomorrow, remember? You need a good rest. 4. A: Can I go to the movies? B: Of course. A: _____________________ B: I can’t. I have to do some work now. C D B A 1.You are at your friend’s home. You want to call your parents, but your phone is dead. A: Can/Could I use your phone? /ded/ adj. 不运行的；死的 B: Sure./ Of course Make up conversations for each setting, using can or could. 场景 3c 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 you tell me something about yesterday’s English class? B: Sure./ Of course take notes 做笔记 3.You are holding a large box. It is difficult to open the door. Your neighbour comes. B: Surec./ Of course. A: Can/Could you help me open the door? 4. You and your classmates want to help clean up the community. Ask your classmates to bring gloves and rubbish bags. A: Can/Could you bring gloves and rubbish bags to clean up the community? B: Surec./ Of course. /kəˈmjuːnəti/ n. 社区；社团 /ˈrʌbɪʃ/ n. 垃圾 4 Production Part 1. Choose one setting from your daily life, then make a long conversation using can or could. 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 34 What are the benefits(益处) of using “make polite requests” and “ask for permission” in our daily life? Show good manners（礼仪） Further thinking Build good relationships （关系） Get positive responses （回应） Part 2. What are the benefits of using “make polite requests” and “ask for permission” in our daily life? Build good relationships Avoid conflicts Get positive responses Show good manners 情态动词 can / could的其他用法 情态动词could 为 can 的过去式，可以表示能力，表示可能性和建议。 1. 表示能力 例如：Can you speak English? 你会说英语吗？ He could sing very well when he was young. 他年轻的时候歌唱得很好。 When I was five, I could swim like a fish. 我五岁时游泳游得像条鱼一样好。（could 是can的过去式） Language points 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. 提出建议 对平级或晚辈可用 can，快速给出建议； 对上级、长辈或需要体现礼貌时用 could，避免显得生硬。 We can eat in a restaurant this evening. 今晚我们可以在餐馆吃饭。 用 can 提出直接建议（常用于口语，语气较随意） Maybe I could give you a lift to the supermarket. 也许我可以让你搭我的车去超市。 You could try reading the instructions before starting.你可以试着在开始前先读一下说明书。 用 could 提出委婉建议（语气更礼貌、含蓄，适合正式或陌生场景） Language points Exercise-翻译题 1. A：你能帮我拿一下书架上的书吗？ B：当然可以。 A: Could you get the book on the bookshelf for me? B: Sure. 2. A：我可以借用你的词典吗？B：可以，但是请明天还给我。 A: Can I borrow your dictionary? B: Yes, but please return it to me tomorrow. 3. A：你能告诉我去图书馆的路吗？ B：沿着这条街走，在第二个十字路口右转。 A: Could you tell me the way to the library? B: Go along this street and turn right at the second crossing. Summary New words until; movie; dead; note; community; rubbish make polite requests and ask for permission Grammar Expressions be careful with; the movies; take notes; clean up 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 Must-do 必做 1.Review the usage of could and can. 2.Summarize the rules and usage of mainking polite requests and asking for permission. Choose to do 选做 1. Make up sentences to ask for permission and make polite requests. Homework SEE YOU NEXT CLASS! Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 2025 Blues 2246.5305 2025 Blues 4440.825 2025 Blues 2011.4277 2025 Blues 3213.0652 2025 Blues 2768.9817 2025 Blues 2298.7756 2025 Blues 3291.4329 2025 Blues 3343.678 $$