Unit 2 Home Sweet Home SectionA Grammar Focus 课件- 2025-2026学年人教版英语八年级上册

该初中英语课件聚焦情态动词can/could表示请求与许可的用法，通过对比礼貌表达（如“I want to drink...”和“Can/Could I drink...”）导入，结合口诀“求你做是请求，求己做是许可”、例句及表格归纳，构建学习支架，帮助学生区分语义差异。 其亮点是结合生活化场景（借手机、打扫房间等）和易记口诀，将语法知识转化为语言技能，提升语言能力。通过R/P分类标记、礼貌程度对比培养思维品质，渗透跨文化意识。学生能流畅开展日常交流，教师可借助结构化习题和总结表格提高教学效率。

人教版（2024）八年级英语上册 Unit 2 Home Sweet Home SectionA Grammar Focus Unit 2 Home Sweet Home Section A What can you do for your home? 课时： Grammar Focus 课型：语法课 学习目标 能够识别 can、could 在请求和许可语境中的语义差异，清晰区分不同情境下的用法。（学习理解） 01 通过 3a - 3c 练习及拓展活动，提升学生在不同生活场景中运用 can / could 进行听、说、读、写的能力，实现语法知识向语言技能的转化，能够流畅开展日常请求与许可交流。（应用实践） 02 借助生活场景对话创作与交流，让学生感受英语在实际沟通中的价值，增强用英语解决生活问题的信心，理解不同语气背后的文化礼仪，培养跨文化交流意识。（迁移创新） 03 What is Request and Permission? ♥ Hi again! I’m all about letting people do what they want. ♥ When you want to go out, borrow something, or try a new activity, you talk to me! Sentences like “Could I use your phone?” or “Can I leave early?” are my special language. ♥ If you hear “Sure!” or “No problem,” I’ve given the green light. But “I’m afraid not”? That’s me saying “not this time”! What is Request and Permission? 《请求许可一句诀》 “求你做是请求，求己做是许可” 例 1（请求）：Could you help clean the room?（求你帮忙） 例 2（许可）：Can I buy a gift for Grandma?（求己买礼物） Lead-in I want to drink some water, Mr. Brown. Can / Could I drink some water, Mr. Brown? Which one do you think is more polite? What is Request and Permission? 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! 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 R P P R Request Permission P R P R R P R R Listen to the sentences and tell us it is R or P? I want to drink some water, Mr. Brown. Can / Could I drink some water, Mr. Brown? Let’s think and talk. less polite more polite Presentation What’s the differences between Can and Could? 1c Mum: Could you please sweep the floor? Peter: OK, mum. Dad: Helen, can you move the chair to their room?  Helen: No problem, Dad. Helen: Can I put some flowers by the window?   Dad: Yes, good idea! Grandma loves flowers.  Helen: Mum, could you take me to the flower shop later?   Mum: No problem. Let’s go after lunch!   2a 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! Write R for requests or P for permission next to each question. R P P R can\could questions response response for polite requests Can you take care of them every day？ Could you please help me hang up the photos? Could you please sweep the floor? Sorry, I have to … for permission Could we keep some fish here? Can I grow some flowers there? can I hang out with my friends after lunch? Yes,you can. OK. Sorry, you have to … Yes. \OK. Sure.\Of course. Sum up Lead-in —Could I hang out with my friends after lunch? —Sorry,Jim,but you have to pack up your things first. Textbook 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! 1. We ________ visit the Great Wall during the summer holiday.​ 2. They need to _____________ improving their English grades next term.​ 3. Do you have __________ the coming weekend?​ ① plan to do sth 计划做某事 ② make a plan (to do sth) 制订计划 (做某事) ③ a plan/plans for... ……的计划 plan to​ make a plan to​ a plan for​ 易混词 意义及用法 borrow 意为“借; 借用”,为非延续性动词,不能和表示一段时间的状语连用。强调从别人那里/某处把东西借来。常用搭配: borrow sth from sb/ somewhere lend 意为“借给; 借出”,为非延续性动词, 不能和表示一段时间的状语连用。强调把东西借给别人使用。常用搭配:lend sb sth =lend sth to sb keep 意为“保存; 保留”,为延续性动词,能和表示一段时间的状语及how long连用。通常表示持有某物多长时间。常用搭配:keep sth for+一段时间 用 borrow、lend、keep 的适当形式填空​ 1. Can you ______ me your dictionary? I need to look up a word.​ 2. How long can I ______ this book? I haven't finished reading it yet.​ 3. He often _________ books from the school library.​ lend​ keep​ borrows​ 情态动词can\could 情态动词can 表示能力，意为“能，会”Can you swim？你会游泳吗？ can是情态动词，没有人称和数的变化，但有时态的变化，它的过去式为could，其后可直接接动词原形 注意事项 -情态动词could作为can的过去式时，表示过去的能力和可能性，其否定形式为could not，可缩写为couldn’t 含义 用法 对提出请求或征询许可的句型做否定回答时，通常以sorry或I’m sorry开头 表示许可，意为“可以”，相当于may(比may更口语化，may较正式)。Can you help me？你能帮我吗？ 情态动词could可用于礼貌地提出要求或征询许可，此时并非can的过去肯定回答：Of course./Certainly./OK./Sure./No problem.等 否定回答：Sorry./Certainly not./I’m afraid I can’t./No, you can’t等.+说明理由式 用于提出邀请。对其作肯定回答通常用“Sure./Of course./Certainly./Yes，I'd love (like) to.”等，作否定回答通常用“Sorry/No，I can't.”等。 情态动词could Grammar 1.can是情态动词，没有人称和数的变化，但有时态的变化，它的过去式为could，其后可直接接动词原形，其用法如下： 情态动词can的用法 1)表示能力，意为“能，会”。Can you answer the question？你能回答这个问题吗？ (2)表示许可，意为“可以”，相当于may(比may更口语化，may较正式)。此外，could也可以表示许可，语气更加委婉。Could you help me find it？你能帮我找到它吗？ (3)用于提出邀请。对其作肯定回答通常用“Sure./Of course./Certainly./Yes，I'd love (like) to.”等，作否定回答通常用“Sorry/No，I can't.”等。 —Can he come to my party？他能来参加我的宴会吗？ —Yes.He'd love to.是的。他很乐意。 Textbook 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! R R P P Textbook 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 There are about fifty ____________(community) in that city. We didn’t know if she was ______(die) or alive. Look! There ____(be) some plastic rubbish and paper bags on the beach. —Could you please _________( not say ) bad words about our hero? —Sorry, I won’t. The students should make ______(笔记) in class. I don’t have time to go to the m_____ with you this evening. 一、根据句意及所给提示完成句子。 随堂练 communities dead is not say notes ovies 一你能告诉我WiFi密码吗? 一当然，WiFi密码是88888888。 一____ ___ ____ ___ the WiFi password? 一Sure, the WiFi password is 88888888. 我可以用你的笔记本电脑几个小时来完成我的项目吗? ___ ____ ____ your laptop for a few hours to finish my project? 一明天请你来参加我的聚会，好吗? 一可以，我很乐意。 一______ _____ _____ _____ to my party tomorrow? 一Yes, I’d love to. 一杨小姐，我可以从图书馆借书吗? 一对不起，你不能。 一 _____ ___ ______ the books from the library, Miss Yang? 一Sorry, ____ ______. 二、完成句子。 随堂练 Can you tell me Could I use Could you please come Could I borrow you can’t can句式变化 can句式变化 (1)在变否定句时，直接在后面加上“not”，写作can't或cannot。如： I can speak French.我会讲法语。 →I can't speak French.我不会讲法语。 (2)在变一般疑问句时，can直接移到主语前(原主语的首字母改成小写，第一人称应变为第二人称)即可。如： I can play the piano.我会弹钢琴。 →Can you play the piano？你会弹钢琴吗？ 其肯定回答可用yes，OK或of course等；否定回答可用no或sorry等。如： —Can you look after my books，please？你能照看一下我的书吗？ —OK.可以。 Textbook 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. 4. A: Can I go to the movies? B: Of course. A:_____________________________________ B: I can’t.I have to do some work now. B A 新人教八年级上册 Thank you! 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 $