UNIT3 Section A 知识点.ppt

Ask for permission礼貌地取得同意 A: Could I use your computer? B: Sorry. Im going to work on it now. A: Well, could I watch TV? B: Yes, you can, but first you have to clean your room./ No, you cant.... A: Could I use your …? B: Sorry. Im going to … . A: Well, could I …? B: Yes, you can. But … / No, you cant… Either 1.adj.两方任一方的；二者之一 He sat in the car with a policeman on either side of him. 2.conj.或是…或是，不是…就是 Either you come in person,or you entrust someone with the matter. 3.ad(用于否定句末)也 If he doesn’t go,I won’t either. 1.Either she or her parents are right. Either her parents or she is right. 2.Neither she nor her parents are right. Neither her parents nor she is right. 观察以上句子总结either…or 和neither…nor 结构谓语用法。 When 和while I’ll finish my homework while you help me with the dishes. While 表示与…同时；当…的时候引导时间状语从句，从句谓语动词需要用延续性动词。强调主句动作是在从句动作过程中发生的，或是主从动作同时发生，且延续一段时间。When 表示“当…时候”，从句谓语可以是延续性，也可以不是。 例句 1.I was sleeping while Tom was watching TV. 汤姆在看电视时，我在睡觉。 2.Jim was writing a letter when I came in. 我进来时，吉姆在写信。 * A: Could you please...... ? B: Yes, sure./All right./No problem./ Certainly. Sorry, I can’t. I have to do...... Sorry, I can’t. I am doing...... Make polite requests礼貌提出请求 take out the rubbish do chores do the dishes sweep the floor make dinner wash the car make the bed fold the clothes clean the living room 1. 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。 They helped (us) out with the clean-up. 他们帮助我们做大扫除。 P18 2d 2. 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。 3. 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。 minut