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1、Review Of Tenses,现在完成时态,不同时间发生的动作，动词要用不同形式,已学习过的时态,1.v原形 2. v三单,am/is/are+v-ing,1.will/shall+v原形 2.am/is/are going to +v原形,1.v-ed（规则动词） 2.不规则动词,was/were+v-ing,判断下列句子的时态,1.She works in a factory. 2.I was doing my homework at this time yesterday. 3.We are going to have a picnic this Sunday. 4.They hel
2、d a sports meeting last week. 5.Are you helping your mother .,一般现在时,过去进行时,一般将来时,一般过去时,现在进行时,现在完成时,1.过去发生的动作对现在造成的影响或结果。,2.过去已经开始，持续到现在的动作或状态,动词构成：have/has+v过去分词,had breakfast,I have just had my breakfast.,(现在我不饿),Im not hungry now,moved here in 2009,I still live here,I have lived here for three year
3、s.,I have lived here since 2009/three years ago.,now,现在完成时动词构成: have / has + v 过去分词,助动词,否定,havent hasnt,疑问,Have you? Has he?,动词的过去分词形式,1.规则动词: 2.不规则动词:,finish-finished-finished live-lived-lived carry-carried-carried stopstopped-stopped,gowentgone see-sawseen forgetforgot-forgotten,am/is-was-been are
4、-were-been begin-began-begun break-broke-broken do-did-done draw-drew-drawn drink-drank-drunk drive-drove-driven eat-ate-eaten fall-fell-fallen fly-flew-flown forget-forgot-forgotten give-gave-given go-went-gone,grow-grew-grown hide-hid-hidden know-knew-known lie-lay-lain ride-rode-ridden ring-rang-
5、rung show-showed-shown see-saw-seen sing-sang-sung speak-spoke-spoken take-took-taken come-came-come run- ran run become-became-become,I, finish, homework,I havent finished my homework.,Have you finished your homework? Yes, I have. / No, I havent.,I have finished my homework.,1. 她成为一名护士已经三年了。 2. 我五年
6、前就认识李雷了。 3. 那些相片我已经寄给他了。（post） 4. 我来到这个学校后，他就一直教我。 5. 我刚丢了我的历史书。,She has been a nurse for three years.,I have known Lilei since five years ago.,I have already posted the photos to him.,He has taught me since I came to the school.,I have just lost my history book.,现在完成时句中常见的时间 A.表从过去一直持续到现在,不能是具体过去时间
7、.,( 1).for+表示一段时间的短语 ( 2).since+表示过去时间点的词语 ( 3).since+表示过去时间的时间状语从句,eg.I have been a teacher _ a year. He has been at this school _ 1992. We have learned 1,000 English words _ we came to this school.,for,since,since,B. just, already, yet, before/ ever, never 有此类副词时,常强调动作完成,不强调动作的持续.,eg.Have you _bee
8、n to Japan? I have _ finished my homework. I have finished my homework _. I havent finished my homework _.,ever,just,already,yet,already - yet 已经 用于肯定句 用于否定句，疑问句,She has not seen this film . She has seen this film. I have cut my hair. Have you cut your hair ? He has watched a video. He has not watch
9、ed a video .,yet,already,already,already,yet,yet,has/have been to have/has gone to have/has been in,去过某地表示某人的一种经历,和once,twice,already,ever,never等连用.,去某地了,说话时某人已离开此地,在去某地的途中或已在某地,逗留在某地(已经一段时间).常和for ten days,since I came here等连用.,1.where is Jim? He Wuhan. 2. My parents the Great Wall twice. They like
10、 there very much. you ever the Happy valley? How long Peter the West Hill farm? My sister the shop. She will be back in two hours. She Shanghai. She isnt here. She Shanghai. She is here. She Shanghai for two years,has gone to,have been to,Have,been to,has,been in,has gone to,has gone to,has been to,
11、has been in,区分短暂性动词与持续性动词. 表示短暂性(瞬间性)的动词在现在完成时的句中不能和一段时间连用.即for,since短语或how long问句,come/go - go out - leave - begin - buy - borrow - join - die - arrive-,be (in),be off,be away (from),be on,have,keep,be a member of,be dead,be here/there,改错:,How long have you become a league member？ For more than one
12、 year. Have you arrived here since last night. Yes，youre right. The dog has died for a month. He has gone to Shanghai twice. How long have you been at this school? Since two years .,been,been,been dead,been,ago.,For,近义句转换： Jack joined the League five months ago. Jack a League member five months ago
13、2.Its a long time since we met last. We each other for a long time since we met last.,has been for,havent seen,现在完成进行时态,have + been +v+ing,现在完成,进行,has,Eg: I have been learning English for five years.,Li Lei has been dancing since 2000.,现在完成进行时构成:,多用于延续性动词，如work, live, study, skate, collect,概念:表示从过去某
14、时开始一直持续到现在的动作，并还将持续下去。 The Chinese have been making paper for two thousand years. 中国有2000年的造纸历史。（动作还将继续下去） I have been learning English since three years ago. 自从三年前以来我一直在学英语。（动作还将继续下去） We have been waiting for you for half an hour. 我们已经等你半个钟头了(人还没到，还继续等),也可表示现在以前这段时间反复发生的事情。 Weve been seeing each ot
15、her quite a lot recently. 最近我们经常见面。,I started teaching English in 2006.,I am still teaching English now.,How long have I been teaching English?,I have been teaching English,for 6 years.,since 2006.,*He started teaching math when he was 20 years old. He is 50 years old now and he is still teaching math.,How long has he been teaching math?,He has been teaching math,30 years ago.,for 30 years.,since,he w
