Unit 2 Section A(3a-3c)(第3课时)-【绿卡初中创新题】2026-2027学年八年级上册英语同步课件(人教版·新教材)河北专版

该初中英语课件核心围绕can和could表示请求与许可的用法展开，课堂导入通过“挂衣服、整理房间”等日常家务活动的对话练习，以旧知can的基本用法为基础，构建“问题-回答”表格、角色互动等学习支架，帮助学生逐步理解委婉表达及应答规则。 其亮点在于情境化任务设计与语言能力培养，通过“借手机、借笔记”等真实场景编对话（3c），引导学生运用语言知识参与交流，提升思维品质。采用“输入-内化-输出”教学法，教师可借助结构化练习（3a、3b）高效教学，学生能在实践中掌握礼貌沟通技巧。

第 3 课 时 (3a~3c) Unit 2 Home Sweet Home Section A What can you do for your home? 单词： until， movie，dead，note， community， rubbish 短语： be careful with， go to the movies， take notes, clean up 掌握can和 could 表示请求和许可的用法。 Learning Goals 1 2 能礼貌地向他人提出请求或征求他人的许可。 3 3 Can/Could you please…? hang up the clothes tidy the room Have a talk. wash the clothes Lead in 4 play basketball hang out with friends Can/Could I…? 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! Read the questions with can or could. Notice how they are answered. 3a ____ ____ ____ ____ 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 P P R Read the questions with can or could. Notice how they are answered. 3a can和could表示请求、许可 Grammar 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 3b 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. 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? B A 12 Make up conversations for each setting, using can or could. 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? 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. ____________________________________________________________ A: Can/Could I have a look at your notes? B: Sure. 3c 3. You are holding a large box. It is difficult to open the door. Your neighbour comes. ___________________________________________________________ A: Can/Could you (please) help me open the door? B: No problem. 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 (please) bring gloves and rubbish bags? B: OK. We'll do it. Language points 1. Can I stay out until eleven?我能在外面待到11点吗？ until〔介词 & 连词〕到……时；直到……为止　 用作介词时后面跟一个表示时间的名词（短语）；用作连词时引导时间状语从句。 I will stay here until twelve o’clock.我将在这里待到十二点钟。 He waited until the children fell asleep.他一直等到孩子们入睡。 注意：①当until 用于肯定句时，句子的谓语动词一般是延续性的，动作延续到until 所表示的时间为止。 ②当until 用于否定句时，构成not...until...“ 直到……才……”，句子的谓语动词一般是非延续性的，动作直到until 所表示的时间才发生。 You can’t leave until you finish your work. 直到完成工作你才能离开。 2. Yes, if you are careful with it. 可以，如果你当心的话。 be careful with 注意；当心 相当于be careful of/about，其后常接名词或代词等。 Be careful with the knife. 当心那把刀子。 You should be careful of your pronunciation.你应该注意你的发音。 拓展 be careful　小心，当心 单独使用时，常用来提醒他人，以引起注意。 Be careful! The stairs are wet. 当心！楼梯很湿。 3. You and your classmates want to help clean up the community. 你和你的同学们想帮助清扫社区。 clean up　清扫 它是“动词+ 副词”型短语。名词作宾语时，名词可放于clean 与up 之间，也可放于up 之后。人称代词作宾语时，人称代词须放于clean 与up 之间。 We clean up our bedroom every day. 我们每天都打扫卧室。 Our classroom is very clean because we clean it up every day. 我们的教室很干净，因为我们每天都清扫它。 一、按要求完成句子 1. You can lend your bike to my daughter. （ 用一般疑问句表达委婉请求） ________ ________ please lend your bike to my daughter？ 2. —Could I go to my friend’s party？（作否定回答） —No, ________ ________. 3. —Could I hang out in the park after dinner？（作肯定回答） —Of course ________ ________. 4. Would you mind turning off the lights when you leave？（改为同义句） ________ ________ ________ ________ off the lights when you leave？ 5. —Sir, we are watching the movie. Could you please _______ _______（talk）on the phone here？ —Oh, sorry . （ 根据提示完成句子） Practice Could you I can’t you can Could you turn off not talk 二、根据汉语意思完成句子 1. 做饭时小心用刀。 ________ ________ ________ the knife while cooking. 2. 我们去电影院看《哪吒2》吧。 Let’s ________ ________ ________ ________ to see Ne Zha 2. 3. 我的老师要求我在看书的时候做笔记。 My teacher asks me to ________ ________ while I’m reading a book. 4.［传统文化］在中国，人们通常在春节前清扫房屋 以扫除厄运。 In China, people usually ________ ________ their houses to sweep away bad luck before the Spring Festival. 5. 他的父母不让他在外面待得很晚。 His parents won’t let him _______ _______ late. Be careful with go to the movies take notes clean up stay out 1. Review the grammar of this unit. 2. Preview Section B. Homework 绿卡图书—走向成功的通行证 $