U2 第3课时 Section A Grammar Focus- 3d（课件PPT）-【鼎成中考·活页好题】2026-2027学年八年级上册英语授课课件(人教版·新教材)

该初中英语课件聚焦情态动词can和could用于请求与许可的用法，通过观察例句中大写的can/could引导学生发现语法点，结合复习旧词和引入新词搭建学习支架，从用法讲解到情境练习形成完整知识脉络。 其亮点在于通过真实场景对话（如借手机、请求开门）培养语言能力，区分can和could的礼貌程度与场景选择提升思维品质，分层练习和复习巩固增强学习能力。采用情境教学法，学生能灵活运用语法，教师可高效实施教学。

Unit 2 Home Sweet Home 第3课时 Section A Grammar focus-3d Learning Goals Knowledge Objective: Master new words, key phrases and the grammar rules of modal verbs can and could for requests and permission. Language Ability Objective: Distinguish can and could, and create polite dialogues in different daily situations. Key and Difficult Point Key Point: Grasp the usage differences between can and could and master standard polite question-and-answer structures. Difficult Point: Choose can or could properly according to scenes and flexibly write original conversations with correct modal verbs. 精准备考用 专注中考命题研究与精准备考服务 1. 打包 2. 挂起，挂断电话 3. 客厅 4. 把……加入…… 5. 去购物 6. treasure hunt 7. 开车顺便送某人 8. 为...做准备 9. 等不及要做某事 Review 1.pack up 2.hang up 3.living room 4.add...to... 5. go shopping 6. 寻宝游戏 7. give sb. a lift/ride 8. get ready for 9.can’t wait to do sth. 精准备考用 专注中考命题研究与精准备考服务 until prep.到……时;直到……为止 be careful with 注意;当心 movie n.电影 the movies 电影院;电影产业 dead adj.不运行的;死的 note n.笔记;记录;便条; v.注意;指出 take notes 做笔记 clean up清扫 community n.社区;社团 rubbish n.垃圾 Word bank 精准备考用 专注中考命题研究与精准备考服务 Lead-in Observe the capitalized words: I can swim. Could you please lend me a pen? Can I have another one? What do you know about these red words? 精准备考用 专注中考命题研究与精准备考服务 Explanation I can swim. Could you please lend me a pen? Can I have another one? 用法：can/could都可以表示能力、表达请求、表达许可 Can: 通常表示现在的能力、许可或用于非正式/一般性的请求。 Could: 是 can 的过去式形式，用于表示过去的能力或许可。但在请求和许可的语境中，它更多地用作 can 的更礼貌、更委婉或更不确定的现在时形式 精准备考用 专注中考命题研究与精准备考服务 一、表达请求 (Requests)：请求别人为自己做某事。 Could 比 Can 更礼貌、更委婉、更正式。Can 在非正式场合或熟人之间很常用。 时间： 都是针对现在或将来的请求。 常用句型 Can you...? (非正式/一般性请求) eg:Can you pass me the salt, please? Could you...? (更礼貌/正式的请求) eg: 1. Could you please open the window? (更客气) 2.Could you tell me the way to the station? (向陌生人询问) Explanation 精准备考用 专注中考命题研究与精准备考服务 二、表达许可 (Permission) 定义： 请求允许自己做某事或给予/拒绝别人做某事的许可。 礼貌程度： Could 比 Can 在请求许可时更礼貌、更委婉。Can 在给予许可时非常常用且自然。May 在正式场合有时用来替代 can/could 请求或给予许可，但 can/could 在日常英语中最普遍。 时间： 都是针对现在或将来的许可。过去许可通常用 was/were allowed to。 常用句型 ： Can I...? (非正式/一般性请求) eg:Can I leave early today? (同事/朋友之间) Could I...? (更礼貌/正式的请求) Could I ask you a question, Professor? (更尊敬) Could I see your ID, please? (较正式场合，如工作人员) Explanation 精准备考用 专注中考命题研究与精准备考服务 Could I possibly/please...? (非常礼貌的请求) eg: Could I possibly have another cup of coffee? May I...? (正式请求许可 比 could 更正式) May I come in? (正式场合) 给予许可 (Giving Permission): Yes, you can. / Sure, you can. / Of course you can. (最常用和自然) eg: A: Can I borrow your umbrella? B: Yes, of course you can. Yes, you may. (正式给予许可) eg: You may begin the exam now.(正式指令) Explanation 精准备考用 专注中考命题研究与精准备考服务 拒绝许可 (Refusing Permission): No, you can't. (直接拒绝) eg: A: Can I park here? B: No, you can’t. It’s a no-parking zone. I’m afraid you can’t. / I’m sorry, you can’t. (较委婉拒绝) I’m afraid you can’t smoke in here. 恐怕这里不能吸烟。 No, you may not. (正式拒绝) eg: You may not leave the classroom during the test.(更礼貌地解释原因) eg: A: Could I use your phone? B: I’m sorry, it’s out of battery. Explanation 精准备考用 专注中考命题研究与精准备考服务 Grammar Focus 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? 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! 精准备考用 专注中考命题研究与精准备考服务 1. A: ________ B: Of course you can. Let me show you the way. 2. A: _________ B: Yes, if you are careful with it. 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? 3b Choose the best question to complete each conversation. C Grammar Focus D 精准备考用 专注中考命题研究与精准备考服务 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 Choose the best question to complete each conversation. Grammar Focus B A 精准备考用 专注中考命题研究与精准备考服务 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./ Ofcourse. 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. ___________________________________________________________________ 3c Make up conversations for each setting, using can or could. Grammar Focus A：Can/Could I borrow your notes to read? B: Sure./Of course. 精准备考用 专注中考命题研究与精准备考服务 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. _________________________________________________________________ 3c Make up conversations for each setting, using can or could. Grammar Focus A：Can/Could you open the door, please? B: No problem. A: Can/Could you bring gloves and rubish bag? B: Yes, we can 精准备考用 专注中考命题研究与精准备考服务 1. Can I stay out until eleven? stay out 呆在外面 2. If you are careful with it. be careful with sth. 对...小心 be careful (not) to do sth. （不）小心做某事 eg：You have to be careful to talk with the mean girl. 3. Can I go to the movies? go to the movies 去看电影 language points 精准备考用 专注中考命题研究与精准备考服务 4. Your friend went to an English class and took notes. take notes =make/write notes 做笔记 5. It is difficult to open the door. It is +adj.+to do sth.做某事是...的 eg: It is easy for me to finish my homework. 6. Ask your classmates to bring gloves and rubbish bags. ask sb. to do sth. 要求某人做某事 language points 精准备考用 专注中考命题研究与精准备考服务 一、用情态动词 can, can’t, could 和 couldn’t 完成句子 1. — _______ you make biscuits? I remember your mother ______ make delicious biscuits. — No, I ______. I have no time to learn that. 2. — ____________ I have your signature（签名）on my book, Mr Brown? — Of course you __________. It’s my pleasure. 3. — ____________ you please sweep the floor, Daming? — Sorry, I ________. I’m busy cooking. 4. — Did you find your pet dog? — No, I looked for it, but I _________ find it anywhere. Exercise Can can can’t Can/Could can/could Can/Could can’t couldn’t 课堂练习来自《活页好题》分层作业本 精准备考用 专注中考命题研究与精准备考服务 Exercise 二、按要求完成句子 (每空一词) 1. I can help wash the dishes at home.（改为一般疑问句） ____________ ______ ______ wash the dishes at home? 2. Would you mind turning down the music a little?（改为同义句） _____________________ you please ______ down the music a little? 3. —Can I have a look at the photos of your trip last week?（作肯定回答） —______ _________ /______ _________. Here you are. 4. —Dad, could I hang out with my friends after dinner?（作否定回答） —______, ______ ______. It’s too late. Can/Could you help Can/Could/Will/Would turn Of course No problem No you can’t 精准备考用 专注中考命题研究与精准备考服务 Memorize words and phrase. Finish your exercise book of this period. Memorize the notes you took. Homework 精准备考用 专注中考命题研究与精准备考服务 $