Unit 2 Lesson 3（讲解课件）-【优翼·学练优】2025-2026学年八年级英语上册同步备课（人教版2024）

Unit 2 Home Sweet Home Section A What can you do for your home? Grammar Focus (3a-3c) Learning Objectives In this lesson, you will: 1.master the usage of can/could for polite requests and permission. 2.learn how to respond to polite requests and permission properly. 3.make up conversations based on settings using target language. Look and Say Peter and his friends had a wonderful time in the new house, but the party left the place quite messy. What chores need to be done to make the house clean and tidy? do the dishes sweep the floor clean the kitchen put away things wipe the table Peter was too tired to do the chores alone so he decided to ask his family for help. Let’s make up conversations using Can/Could between Peter and his family in pairs. Pair Work Mum, could you please help me do the dishes? Sorry, Peter. I have to take out the rubbish and then take the dog for a walk. Could I do the dishes later? I am tired and I want to take a break. Of course, you can. Grammar Focus 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 P P R 3a Think and Share What’s the situation when we use Could/Can you...? What’s the situation when we use Could/Can I...? It’s used for making requests or asking others to do something politely. It’s used for asking for permission or asking others to allow us to do something politely. Could is more polite and formal than Can. 表达请求的句型 Can you +动词原型+…？ 用于向对方提出请求，语气较为直接，适合用于非正式场合或熟悉的人之间。例如： Can you help me with my homework? Can you pass me the salt? Could you (please)+动词原型+…？用于向对方提出请求，语气比 Can you...? 更委婉、更礼貌，适合用于正式场合或不熟悉的人之间。例如： Could you please speak more slowly? Could you tell me the way to the station? 肯定回答：Yes, sure. / Of course./Certainly./Sure./No problem./ Yes, I can./... 否定回答：Sorry, I can’t. I have to.../I’m afraid I can’t. I have to.../I’m afraid not./... 对于请求句型的回答 对于Could you ...? 表示请求的回答，均不能用could,而要用can。 征得允许的句型 Can I/we +动词原型+…？用于征得对方的允许，语气较为直接，适合用于非正式场合或熟悉的人之间。例如： Can I borrow your book? Can I use your phone? Could I/we +动词原型+…？用于征得对方的允许，语气比 Can I...? 更委婉、更礼貌，适合用于正式场合或不熟悉的人之间。例如： Could I have a cup of coffee? Could I hang out with my friends this weekend? 对于征得允许句型的回答 肯定回答：Yes, please. / Of course you can./ Certainly. / Sure. / Yes, you can./... 否定回答：Sorry, you can’t./I’m afraid you can’t. /No, you can’t. You have to.../... 对于Could I/we ...?表示征得允许的回答，均不能用could而要用can。 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? 3b 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 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 Make up conversations for each setting, using can or could. 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. ——————————————————————————— A: Can / Could I use your phone? B: Sure./ Of course. A: Can / Could I borrow your English notebook? B: Sure. 3c 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. —————————————————————————— A: Could you please open the door for me? B: Certainly. A: Could you please bring gloves and rubbish bags? B: Of course. Try to expand the conversations above using the target language . A: Can / Could I borrow your English notebook? B: Sure. A: Can / Could I borrow your English notebook? B: Sure. But I left it at school. Can I give it to you tomorrow? A: Of course. Thank you. Could you explain something difficult for me? B: OK. Group Work Work in groups of four to come up with a setting and make up a conversation based on the setting using the target sentence patterns. $