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

Unit 3 SA(4a-4c) 1 Can you find the difference ? Clean the room, Peter! Can you clean the room, Peter? Could you please clean the room? Different ways of saying. 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. Grammar Focus 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. —Could you (please) do sth? 委婉地提出请求： make polite requests Yes, sure. No problem / All right. With/My pleasure OK / Of course / Certainly. I'm afraid not. Sorry, I can’t. I have to/ I’m going… — not Would you please (not) do sth? — Could I do sth? 委婉地征求许可： ask for permission Yes, sure. No problem / All right. OK / Of course / Certainly. Sorry/No, you can’t. … — (Yes, you can.) Could 的用法 1.could为can 的过去式，表示过去的能力。可以与 be able to 转换。对过去能力的回答只能用could/couldn’t. -- ______(can) you play the piano when you were at the age of 4? --No, I ______________ Could couldn’t 2. Could you please +动词原形+其它? 一种表示请求或征询对方意见的客气委婉的说法，could 在此句型里表示请求，而不是can的过去式，could 比 can 的语气更加委婉、客气，让人易于接受.因此平日里人们更多使用could,而不用can. 否定句直接在please后加not eg. ________________ take out the rubbish? 请你倒一下垃圾好吗？ ______________________ tell him about it? 请你不要给他讲好吗？ Could you please Could you please not 3. Could 也可表示请求许可。 Eg: Could I come in？ 表示请求对方许可，准许时，对方回答时不能用could, 而要用can. Could I use your bike? Yes, of course you ______. can could 的肯定回答： Sure/Certainly/Of course/ With pleasure/No problem. Yes, you can. 否定回答： No, I am afraid not. / No, you can’t. / Certainly not. 4a.Write R for requests and P for permissions. Then match one with the correct response. 1.___Could I hang out with my friends after the movie? 2.___Could you please pass me the salt? 3.___Could I borrow that book? 4.___Could