单元知识盘点U1

1、The Present Perfect,现在完成时动词构成: have / has + v 过去分词,助动词,否定,疑问,havent hasnt,Have you? Has he,Sb. have/has just gone to 某人去了（去而未归,Sb. have/has never been to 某人去过（去而复返,Sb. have/has been in for/since 某人在,短暂性,延续性,The present perfect tense with just, already, yet, ever ,never and before,yet 与 already 用法区别,

2、So +助动词（be/do/does/will/did/have/has/情态动词)+主语。表示肯定句，也。 Neither +助动（be/do/does/will/did/have/has /情态动词)+主语。表示否定句，也不,So +主语+助动词（be/do/does/will/did/have/has/情态动词) 。表示确实如此，和上文主语相同,seem,seem + adj. seem to do It seems that,e.g. He seems ill. e.g. He seems to be ill. e.g. It seems that he is ill,5 two fi

3、fths,1 5 (one 20 percent(20,fifth,ninth twelfth third twentieth,for + 时间段,since + 一般过去时从句,since +一般过去时时间点,1.疑问词用How long 2.主句通常用现在完成时 3.谓语动词用延续性动词 4.for 2 days=since 2 days ago,短暂性动词 come - leave - get to know - die - buy- begin - borrow - marry - catch a cold - close - join - fall ill,延续性动词 be be a

4、way (from) know be dead have be on keep be married have a cold be closed be a member of / be in be ill,简析：现在完成时的时间状语常有如下四类： 现在完成时常与already，just, ever，never ，before（以前），yet 等连用。 现在完成时常与recently ，so far，in the past/“last + 一段时间”等时间状语连用。 现在完成时时常与“for +时间段或since +过去时间点”连用（含从句，从句过去时）。 现在完成时还与once（一次），twi

5、ce（两次），three times（三次），several times（几次）等表示重复次数的词语连用。表示做过某事几次,Key phrases and expressions,1. 你的旅行如何？ _ 2. 发生 _ 3. 曾去过(去而复返） _ 4. 太以至于 _ 5. 到去了（去而未归）_ 6. 上课铃响了。 _,How was your trip,take place,have/has been to,sothat,have/has gone to,There goes the bell,Thats the bell. = The bell is ringing,Key phrase

6、s and expressions,7. 照相 _ 8.暑假过得愉快_ 9.残疾儿童 10. 喂某人吃饭,take photos,have a good summer holiday,disabled children,feed sb,have (no) time/a chance to do sth. have/live a . life in order to do support family describe sth. in detail child laborers afford an education for sb. get/receive a good education Wi

7、th the development of our country,没)有时间或机会做某事 过着 的生活 为了做某事 养家 详细描述 童工 供某人上学 受到良好的教育 随着我们国家的发展,与保持联系 各种各样 在某方面取得进步 成功做某事 享受业余活动 从中选择 梦想着或憧憬 在20世纪80年代,keep in touch with sorts/kinds of make progress in succeed in doing sth. enjoy leisure activities choose from dream about In the 1980s,独生子女政策 当小皇帝 发生 最

8、近几年 增加了 增加到 实施 发展中国家 发达国家 中国现在的人口是多少,one-child policy be a little emperor take place in recent years= recently increase by +倍数或百分数 increase to +具体数字 carry out developing countries developed countries,Whats the population of China?=How many people are there in China,Its ./There are,be short of becaus

9、e of cf. because take measures to do control the population work well in doing have a long way to go face sth. so far a couple of belong to,缺少或短缺 因为 采取措施做某事 控制人口 在某方面取得良好的效果 有很长一段路要走 迄今为止 面对 一些 属于,a big green country with a small town called/named places of interest such as take sb. to keep up with

10、the quick development of modern society,有着的国家 一个叫 的小镇 名胜 例如 带某人去 跟上 的发展,hundreds of live a normal life decide on suitable ways to do homeless people people in need/in danger provide them with something provide something for sb. return to work change for the better. once,成百上千 过着正常的生活 采取合适的方法做某事 无家可归的

11、人 有危险或有困难需要帮助的人 为某人提供某物 重新工作 变得更好 曾经，一旦，一次,medical treatment train see herself. get/be used to sth./doing sth. used to do as a matter of fact = in fact be dangerous be in danger,医疗 火车或训练 亲眼看看 习惯做某事 过去常常做某事 实际上 危险的 有危险,succeed in doing make a success in doing return to a normal life street kids take

12、drugs steal things disobey=break at the same time buy sb. sth. = buy sth. for sb,成功做某事 重新过上正常人的生活 街头流浪儿 吸毒 偷东西 打破 同时 为某人买东西,lend sth. to sb.=lend sb. sth. borrowfrom Project Hope aim to do bringinto on October 30th,1989 in the past/last years/months/weeks/days,把某物借给某人 借某人的东西 希望工程 目的是做 把 带进 在1989年10月30号 在过去几年/月/周/天,表示花费 1. sb. pay . for sth. e.g. I paid ten yuan for this book. 2. sb. spend . on sth. sb. spend . (in) doing sth. e