Unit3 Section A Grammar Focus-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 学习目标 通过本节课的学习，同学们将能: 1.学会用could礼貌地提出请求。 2.学会用could征询许可。 Could I go out for dinner with my friends? Sure, that should be OK. Could we get something to drink after the movie? No, you can’t. You have a basketball game tomorrow. Could you please take the dog for a walk? OK, but I want to watch one show first. Could you please take out the rubbish? Yes, sure. Can you find the common features of these sentences? 出去吃晚饭 喝点东西 遛狗 倒垃圾 Grammar Focus 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。 语法概述 情态动词could的用法 常用句式结构为： “Could you please do...?” 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。 Sure/Of course/Certainly, I can. 当然可以。 With pleasure. 乐意帮忙。 No problem. 没问题。 —Could you please lend me your bike? —Sure/Of course/Certainly, I can. 否定回答 Sorry, I can’t. I have to... 对不起，我不能，我得…… 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. 特别提醒： 表示请求允许（即请求别人允许自己做某事），could和can都可以用，但could语气更委婉。 Could/Can I come in? 对别人的请求许可的回答，一般只用can，而不用could。 —Could I use your pen? —Of course you can. 1 2 Exercise. （1）—Could we go to the zoo this Sunday?(作否定回答) —______,_____ ______. （2）—Could you please help do the dishes?(作肯定回答) —_____,_____ ____. （3）Could you please move the box?（改为否定句） Could you please _____ _______ the box? （4）—Could you please ______(pass) me the salt? —Yes,sure. No you can’t Yes I can not move pass （5）—Your father is sleeping.Would you mind turning down the TV? —______.I’ll do it right away. A.Not at all B.Of course C.No way D.Sounds good （6）Could you please ______ my child when I’m away? A.look for B.look at C.take care of D.care of A C （7）—Could I go to the store? —Yes,________. A.you can B.you could C.you do （8）—Could you please make your bed? —______I have so much h