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1、Unit3 Could you please clean your room?一情态动词 could 的用法1.提出礼貌的要求 Could you please (not) do sth ? 请你（做）.好吗？用于提出请求，希望得到对方的肯定回答，说话的语气比较客气委婉。Could 不是 can 的 过去式，是委婉、礼貌的说法。回答用 can. 肯定回答： Yes,sure./ Yes, I can./Of course,I can./ Certainly./No problem./ With pleasure .否定回答： Sorry , I cant / Im afraid I cant.
2、 I have to ,Im going to(说明理由)2.表示请求许可 Could I do a sth? 我可以做.吗？肯定回答：Yes, you can ./ Yes ,please / Of course / Certainly./ No problem. 否定回答：Sorry , you cant / Im afraid you cant.3.could 为 can 的过去式，表示过去的能力。= was / were able toSection A1. take out the rubbish 把垃圾带出去2. do the dishes = wash the dishes 洗碗
3、碟3. fold your clothes 折衣服4. sweep the floor 扫地5. make your bed 整理床铺6. clean the living room 打扫起居室7. do some washing/ shopping/ cleaning 洗衣服/ 购物/ 做清洁8. go out for dinner 出去吃晚饭9. go to the movies 去看电影10. stay out late/ until nine 呆到很晚/ 呆到 9 点钟11. get a ride 撘车12. give sb a ride to town 开车送 sb 到镇上13. n
4、eed to do something 需要做14. have to do something 不得不做15. help out with a few things 帮助做些事情16. at least 至少,多指数量或程度上的最低限度。(反) at most 至多，不超过17. finish doing something 完成做18. two hours of TV 两个小时的电视 表示时间、距离、金额、度量等词语作主语时， 被视作整体，谓动用单数。19. be/ come back from shopping 购物回来20. any minute/ second/ moment now
5、随时21. be angry with对生气22. solve the problem 解决问题23. throw down 扔下，随手丢下。throw at 向扔去（恶意）throw to 扔给 throw away 扔掉24. the minute/ as soon as / the moment 一.就(引导时间状语从句， 主将从现)1. come over 过来 ，顺便来访1. take the dog for a walk= take a walk with 遛狗2. reply angrily 生气地回答128. all the time 一直 all day 一整天 all ev
6、ening 整晚29. shout back 吼回去 talk back 顶嘴30 neither / nor +助动词/be 动词/情态动词 +主语 “某人也不”neither 两者都不 neither nor 既不也不 (就近原则 ) neither of us 我们两个都不31 in surprise 惊讶地32 find +宾语+ adj / n. / prep 短语 find sb. doing sth 发现某人 做某事find it + adj. + to do sth 发现做某事很find it difficult/ hard to do sth 发现做某事很困难33. shar
7、e the housework 分担家务 share sth with sb . 和某人分享某物34. hang out with sb 和某人一起闲逛 hang up 把.悬挂/挂起35. pass sb sth= pass sth to sb 把某物递给某人 Pass on 传递36. borrow s from sb 从某人那里借某物37. lend sth to sb = lend sb sth把某物借给某人 keepfor +一段时间：借 一段时间38. hate to do / doing sth 讨厌做33. try (not) to do sth努力（不）做某事。try one
8、s best to do sth= do ones best to do sth 尽某人最大努力做某事try on 试穿 try to do sth 努力做某事 【侧重尽力做】 try doing sth 试图做 某事 【侧重尝试做】40. while conj. “在期间； 当的时候” While 引导的时间状语从句的谓语动 词只能是延续动词.(进行时)Section B1. invite v invitation n 邀请 (1) invite sb. to do sth 邀请某人做某事 (2) invite sb. to +地点 邀请某人去某地1. enough stress from
9、school 来自于学校的足够的压力 under the stress of 在 的压力之下2. a waste of time 浪费时间 waste v “浪费” waste time/money on sth / (in) doing sth 在。浪费时间/金钱4. 人：spend on sth 钱人：pay for sth 物 ：sth cost sb +金(in) doing sth It takes sb +时间 to do sth.5. in order (not) to do sth 为了做6. get into a good university 进入好大学7. there i
10、s no need for sb to do sth 对于某人来说没必要做5. provide sth. for sb.= provide sb. with sth.为某人提供某物（为应急等做好准备而 “提 供； 供给” ）offer sb. sth. = offer sth to sb. 侧 重 表 示 “ 愿 意 给 予 ” offer to do sth 主动提出干某事Supply sb. with sth=supply sth. to sb. 定期 “ 供应 ” , 强调替代或补充所需物 品9. depend on 依靠依赖，由而决定10. develop children s ind
11、ependence 养成孩子的独立（习惯） development 2developed / developing11. the idea of fairness 公平意识12. have no idea = don t know 不知道13. fall ill 生病14. grades drop 成绩下降15. as a result 因此，结果 as a result of 由于作为的结果16. Its fair/ unfair for sb to do sth 对于某人来说，做是（不）公平的。 17. get something to drink 买饮料18. be careful with 小心对待19. a few other things 另处几件事18. Do ones part (in) doing sth .尽自己的职责做某事19. the earlier.the better 越早越好.3