Unit 3 Section A Grammar-4c课件 2023-2024学年人教版八年级英语下册

Unit 3 Could you please clean your room? Section A Grammar Focus-4c —Could you please …？ do the dishes sweep the floor take out the trash make your bed fold your clothes clean the living room open the door Yes, I can. All right. “Yes” Sure. No problem. Certainly. No , I can’t… I have to … “No” Sorry, I can’t… I have to … Make polite requests go out for dinner go to the movies stay out late get a ride Could I 搭便车 Sure. / Yes, sure./All right./No problem. Sorry. You have to ... Accept: Refuse: Peter asks his father for permission(请求别人允许） Read the following sentences and observe the questions. Ask for permission. Make polite requests. Grammar 情态动词could的用法 情态动词could可用于有礼貌地向对方提出要求或请求，也可用于提出建议。它本身不能作谓语，必须和不带to的动词原形一起构成谓语。 用于提出要求或请求 “Could you please...?” 意为 “能请你……吗？”，用于提出要求或请求。 否定形式为Could you please not...? 肯定回答 Yes, sure./Of cousre. 是的，当然可以。 No problem. 没问题。 With pleasure. 乐意帮忙。 Sure./Of course./Certainly, I can. 当然可以。 —Could you please lend me your bike? —Sure./Of course./Certainly, I can. Sorry, I can't. I have to... 对不起，我不能，我得…… Sorry, I'm going to ... 对不起，我将…… I'm afraid I can’t. I have to... 我恐怕不能。我得…… I'm afraid not. 恐怕不行。 —Could you please go hiking with me tomorrow? —Sorry, I can't. I have to prepare for a competition. 否定回答 肯定回答及否定回答中,均不用could,而是要用can代替could。 用于征得许可 “Could I...?”意为“我能……吗？”，用于请求对方允许自己做某事。 —Could I have a look at your new watch? —Of course you can. Here you are. —Mum, could I go out for a while? —I'm afraid you can't. You have to wash your clothes first. Yes, you can. / Of course you can. /Yes, please. Sorry, you can't. /I'm afraid you can't. /No, you mustn’t. 否定回答 肯定回答 1. — ________ you give me a hand? I can’t move the box by myself. —No problem. A. Could B. Should C. Must D. Need 语法精练 2.