八下第三单元知识点.docx

Unit 3 Could you please clean your room? 礼貌提出请求及答语 A: Could you please...... ? B: Yes, sure./All right./No problem./ Certainly. Sorry, I can’t. I have to do...... Could you（please）+ V-原形？表示委婉地提出请求 意为“请你……好吗？”其否定式为“Could you (please) not＋动词原形？”肯定回答：Yes, sure/certainly/of course.否定回答： Sorry, I cant. —Could you please answer the telephone? 请你接电话好吗？ —Sure./Sorry, I cant. Im too busy now. 当然可以。/对不起，我不能，我现在太忙。 [拓展] (1)当could用作情态动词can的过去式时，表示过去的能力，肯定和否定回答仍用could。 —Could you swim when you were five? 你五岁时会游泳吗？ —Yes, I could. 是的，我会。 (2)could 还可表示推测，意为“可能”。 —Do you know where Peter is? 你知道彼得在哪儿吗？ —He could be in the library. 他可能在图书馆。 2. Tony, could you please help out with a few things? help out动词短语，表示在某人繁忙或遇到困难时“给予帮助”。help和out之间还可以加入具体的“人”。 e.g. He helped me out with my task. 他帮我完成了任务。 a few ( adj.)一些，一点(修饰可数名词复数) 3.Could I at least finish watching this show? at least 至少 e.g. We should brush our teeth at least twice a day.  我们每天应该至少刷两次牙。 finish doing sth.完成某事 4. Yes, because Mom will be back from shopping any minute now. be back 回来 e.g. I won’t be back till 11:00. 我11点以前回不来。 any minute now 一种常见的口语表达法，相当于“随时；马上；在任何时刻”的意思，表示事情有可能在极短的时间内发生或眼下就要发生， minute还可以用second, moment, time等词替换。 e.g. Don’t worry, he will come here any minute now. 别担心, 他会马上来这儿。 5.短语 倒垃圾take out the rubbis 干家务do chores 洗餐具do the dishes 扫地sweep the floor 做饭make dinner 整理床铺make the bed 叠衣服fold the clothes 打扫客厅clean the living room 帮助解决help out 至少at least 完成（做）某事finish doing sth. 购物回来be back from shopping 看到这么凌乱 see this mess 3a 1. You watch TV all the time and ... all the time（在该段时间内）一直；向来， 一向；时时刻刻；每时每刻 e.g. I do this all the time. 我一直是这么做的。 2. I’m just as tired as you are! as ... as 意为 “和……一样” ，表示同级的比较。 其基本结构为：as +?adj./?adv.?+ as e.g.This?film?is?as?interesting?as?that?one.这部电影和那部电影一样有趣。 Your?pen?writes?as?smoothly?as?mine. 你的钢笔书写起来和我的一样流畅。 3. For one week, she did