Unit 2 Section A Grammar Focus 课件 2026-2027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表请求和许可的用法，通过家庭任务、朋友聚餐等生活场景图片及关键词示例导入，引导学生识别语义并梳理3a问答功能，搭建从理解到应用的学习支架。 其亮点在于情境化任务设计，如校园求助、社区清洁对话创编，结合语言能力（精准运用语法规则）、思维品质（分析情境逻辑）、文化意识（礼貌表达育人价值）。采用任务型教学法，通过当堂检测和分层作业巩固，助力学生迁移创新，教师可高效开展互动教学。

人教版英语八年级上册 Unit 2 Home Sweet Home Unit 2 Home Sweet Home Section A Grammar Focus Learning objectives 通过本课时的学习,学生能够: 1.能够在不同生活场景中,精准识别can/could表请求和许可的语义,清晰梳理3a中问答的语言功能,理解不同情境下can/could的表意逻辑;(学习理解) 2.能够结合不同情境,熟练使用can/could完成对话补全与创编,遵循语法规则且契合生活交流逻辑,实现有效互动; (应用实践) 3.能够迁移can/could表请求、许可的用法,自主创设新生活情境(如校园求助、家庭活动协商等),用英语开展真实交流,体现语言服务生活的育人价值。(迁移创新) Presentation Look and say Complete the sentences according to the pictures and key words. If your mom wants you to take the dog for a walk take the dog for a walk? Could you please OK, I want to watch one show first. but If your mom wants you to take out the rubbish take out the rubbish? Could you please Yes, sure/. No problem Presentation Look and say Complete the sentences according to the pictures and key words. Complete the sentences according to the pictures and key words. If you want to go out for dinner with your friends go out for dinner with my friends? Could I . Sure If you want to get something to drink after the movie get something to drink after the movie? Could we Sorry/No, you . You have a basketball game tomorrow. can’t 3a Read the questions with can or could . Notice how they are answered. 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! R Write R for requests or P for permission next to each question. P P R Read the sentences. Find out the usage of can/could. 情态动词 can & could 的用法 情态动词can和could可用于向对方提出请求,也可用于请求对方允许自己做某事。它本身不能作谓语,必须和动词原形一起构成谓语。 1. 用于提出要求或请求 Can/Could you please?(重点) 2. 用于请求许可 Can/Could I?(重点) 3. 用于表示能力 can表示现在的能力,could表示过去的能力 Can you…? 或Could you please…? 用于提出要求或请求。 肯定回答 Yes, I’ll do it at once. 是的,我立刻做。 No problem. 没问题。 With pleasure. 非常乐意。 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,我打算…… I’m afraid I can’t. I have to… 恐怕不行,我得…… I’m afraid not. 恐怕不行。 Could you please take out the rubbish? Can you help me hang up the photos? How did they make polite requests ? Could/Can you please+V.原? 否定:Could you please+not+V.原? Could / Can you do ……? / Could you please do ……? 意为“”。用来有礼貌地提出。 更礼貌委婉,更直接随意。 请你……好吗? 请求 Could you Can you Choose the answer. Could I hang out with my friends tonight? No, you couldn’t. Sorry, you can’t. 在回答用could 提出的请求时,通常不用 could而用 can。 易错题!!! Could I hang out with my friends after lunch? Can I put some flowers on the table? How did they ask for permission 请求/征求许可politely ? Could/Can I+V.原? Could/Can I do ……? 意为“”。用来委婉地请求。。 我可以……吗? 许可 Can / Could I …? 用于请求对方允许自己做某事。 肯定回答 Yes, good idea! 是的, 好主意。 Yes, you can. 是的,你可以。 Of course you can. 当然可以。 Yes, please. 是的,去吧。 否定回答 Sorry, but you have to… first. 对不起,但是你得先…… 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。 Let's think and fill in the blanks. 1.When we need to ask others for help, we should say , because it sounds more polite. 2.When we can help others, we should say. 3.When we can't help others, we should say . Could you please Sure / Of course / All right Sorry, I can't 在回答用could 提出的请求时,通常不用 could而用 can。 常见表示委婉请求的句型汇总 ① Could you please + do sth.? ② Could you + do sth.? ③ Would you please + do sth.? ④ Would you + do sth.? ⑤ Would you mind + doing sth. ? 你介意……吗? ⑥ Would you like + to do sth. ? 你愿意吗? ⑦ What about doing sth. ? 怎么样? 拓展: 常见表示请求允许的句型: ① May I + do sth. ? ② Can I + do sth. ? ③ Could I + do sth. ? ④ Might I + do sth. ? ⑤ Do you mind if I + do sth. ? 表示给予允许,只能用can/may, 不能用 could 或 might。e.g. A: Could I use your pen? B: Yes, of course you can. (不用 Yes, you could) Choose the best question to complete each conversation. 3b A. Could you give me a ride to town now? B. Can I stay out untill 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. 3.A: B: No, you can’t. You have a basketball game tomorrow, remember? You need a good rest. 4. A: Can I go the movies? B: Of course. A: B: I can’t. I have to do some work now. C D B A / n t l/ prep. 到……时;直到……为止 注意;当心 movie / mu vi/ n. 电影 =give me a lift the movies 电影院;电影产业 1. You’re 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. 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. Make up conversations for each setting, using can or could. A: Can / Could I use your phone? B: Sure. / Of course. 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. 3c 1. Can I stay out until eleven? 我能在外面待到11点吗? until / n t l/ prep. 到……时;直到……为止 (1) [介词]到……时;直到……为止 not until意为“直到……才……,常与非延续性动词连用,表示动作直到 until 所表示的时间才发生。 他们直到上个月才有一间房子。 They didn’t have a house until last month. 2. You want to call your parents, but your phone is dead. 你想给你的父母打电话,但你的电话没电了。 dead /ded/ adj. 不运行的;死的 (1)[形容词](因为缺电)不运行的 (2)[形容词] 死的 在句中作定语或表语。 the dead 死者 dead animals 死去的动物 die [不及物动词]死亡,其过去式和过去分词均为 died,现在分词为 dying。是短暂性动词,不能与时间段连用。 die of/from“死于” death [名词]死亡 dying [形容词]垂死的;临死的 只能作前置定语。 3. You want to call your parents, but your phone is dead. 你想 给你父母打电话,但是你的手机不运行了。 dead adj. 不运行的;死的 the +adj. 表示一类人, 这种结构使得形容词具有名词化的功能。常见示例: the dead 死者 the living 活着的人 the young 年轻人 the old 老年人 the rich 富人 the poor 穷人 the blind 盲人 the brave 勇敢的人 归纳总结:与dead相关的词 die v. 死 作谓语 dead adj. 不运行的;死的 作定语、表语 death n. 死亡 作主语、宾语 dying adj. 垂死的 只作定语 Choose one setting , then make a conversation using can or could. Choose one setting from your daily life, then make a long conversation using can or could. 22 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) Why should we use more polite expressions in our daily lives? Because they show respect for others and help us get along better with people around us. Summary know how to answer the questions. know the structures and functions of the sentences. know the difference between can/ could. After learning this lesson, I can Can/Could you…? (Make requests) Can/Could I…? (Ask for permission) 1. 用于请求或请求许可:could语气更委婉,有礼貌。 2. 用于表示能力:can表示现在的能力,could表示过去的能力。 肯定回答:Sure./ Certainly./ Yes, I can./ Of course./ No problem 否定回答:Sorry, I can’t. I have to…/Sorry, I’m going to 肯定回答:Sure./ Yes, you can./ Of course, you can. 否定回答:Sorry, you can’t./ I’m afraid you can’t. 按要求写出正确的单词、词组或句子。 直到 (连词) 2. 直到…才 (短语) 3.小心(短语) 4. 看电影(短语) 5. 不运行的(形容词) 6. 记笔记 (短语) 7. 打扫(短语) 8. 社区(名词) 9. 你能带手套和垃圾袋吗? 当然/没问题。 11. 我能在外面待到晚上十一点吗? 12. 你能帮我挂照片吗? until not until be careful with go to the movies dead take notes clean up community Could you please bring gloves and rubbish bags? Sure./No problem! Could I stay out until eleven? Could you help me hang up the photos? Exercises Exercises 一,根据首字母或音标写单词 1. I like the m Nezha. It's wonderful. 2. You should take n, when you have classes. 3. The environment in this c is very good. 4. Could you help me throw r ? 5.I forget to water the flower. It is too dry and d. 6.I will read books uI feel tired. ovie otes ommunity ubbish ead ntill 二.用所给词的适当形式填空 1. You should be (care) with the cars when you cross the road. 2. You must do your homework at (one). 3. Could you give (my)a ride? 4. Do you remember(wash) your clothes? They are still dirty. 5. It is easy for me(learm)English well. careful once me to wash to learn 当堂检测 根据汉语完成句子。 1. 你能帮我把这些照片挂起来吗? you help me these photos? 2. 我可以借你的自行车用一下吗? I your bike? 3. 请你帮我打扫一下客厅,好吗? you please the living room? 4. 妈妈,我放学后能和同学一起去公园吗? Mum, I go to the park with my classmates ? 5. 你能告诉我怎么到达那家花店吗? you tell me that flower shop? Could Could Could could after school Could how to get to hang up borrow help me clean Homework 基础作业:背诵 3a 对话,用 5 个生词(如 until, dead, note 等)各造 1 个句子。 进阶作业:编写在学校和同学或老师发出请求或征求允许的对话(2组)。 拓展作业:策划新家乔迁派对的准备工作。 SEE YOU NEXT CLASS! null 2013 81658.93 Lavf58.20.100 $