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动词1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。 2.时间状语:in the past few years, over the years, since then, so far, up to now, already ,yet ,never ,ever, just, before, ,once, twice etc.since+ 过去的点时间/ 一般过去时从句。 for+ 一段时间,3.基本结构: have/has + done(动词的过去分词v.pp)4.否定形式: have/has + not +done. 5.一般疑问句: 把have或has放于句首。6.反义疑问句: 直接用has /have 进行反问7.注意:1).have been to /have gone to /have been in 的区别 have been to +地点 表示曾经去过某地,现人已返回。(once ,twice .) have gone to +地点 表示人已去了某地,人还未返回。(where is sb ?) have been in +地点 表示在某地呆多长时间。(for./ since .)2).与时间段连用时,短暂性动词应改为相应的延续性动词。 come/go to - be at /in leave -be away from buy -have borrow /lend -keep open -be open close-be closed die-dead start/begin -be on join-be in /be a member of /be a soldier become be make friend -be friend get up -be up fall asleep -be asleep catch a cold have a cold reach/get/arrive-stay/be 4).现在完成时与一般过去时的区别现在完成时与现在有关的时态,他侧重于过去的动作对现在造成的影响。而一般过去时侧重于表示过去的动作与现在无关,若询问该动作发生的具体的时间时,只能用一般现在时。has he returned the library book ? yes, he has.when _ he _(return) it ?he _ (return)it yesterday afternoon .练习:填空. a. 用 already或 yet1) have they taken down the old pictures _? no, not _.2) most of us have finished our compositions _3) he said he hadnt visited the exhibition _.b.用 since或 for1) we have learned five lessons _ the beginning of this term.2) mrs liao has been in hospital _last week.3) i have stayed at my aunts _two weeks.c. 用have gone或 have been1) where are the boy students ? they _ to the school factory.2) is your father in ? no, he _ to shenzhen. _he ever _ there before ? yes, he _ there several times3)the old man _in that factory for ten years. 选择填空1. i _ the way. i _ here for quite many years.a. knewhave lived c. knewlive c. knowhave lived d. knowlive2. _ you ever _ america ? yes, i have.a. havegone to b. havegone in c. havebeen to d. have been in3. my brother _college for over three years.a. has gone to b. has been to c. has been in d. has been at4. both his parents look sad . maybe they_whats happened to him .a. knew b. have known c. must know d.will know5.he has _ been to shanghai , has he ?a. already b.never c.ever d. still6.have you met mr li _?a. just b.ago c.before d. a moment ago7.the famous writer _ one new book in the past two year .a. is writing b.was writing c.wrote d.has written8.our country _ a lot so far . yes . i hope it will be even _ .a. has changed ; well b. changed ; goodc. has changed ; better d. changed ; better9.zhao lan _already _in this school for two years .a. was ; studying b. will ; study c. has ; studied d. are ; studying10.we _ xiao li since she was a little girl .a. know b. had known c. have known d.knew11.harry potter is a very nice film .i_ it twice .a. will see b. have seen c. saw d.see12.these farmers have been to the united states .really ? when _there ?a. will they go b. did they go c. do they go d. have they gone13._ you _ your homework yet ?yes . i _it a moment ago .a. did ; do ; finished b. have ; done ; finishedc. have ; done ; have finished d. will ; do ; finish14.his father _ the party since 1978 .a. joined b. has joined c. was in d. has been in15.do you know him well ? sure .we _friends since ten years ago .a. were b. have been c. have become d. have made16.how long have you _ here ? about two months .a. been b. gone c. come d.arrived17.hurry up! the play _ for ten minutes .a. has begun b. had begun c. has been on d. began18.it _ ten years since he left the army .a. is b.has c.will d.was19.miss green isnt in the office . she_ to the library .a.has gone b.went c.will go d.has been20.my parents _shandong for ten years .a. have been in b. have been to c. have gone to d. have been21.the students have cleaned the classroom,_?a. so they b. dont they c. have they d. havent they22. _has mr white been a member of greener china since he_to china?a. how soon, comes b. how often, got c. how long, came d. how far, arrived23.his uncle_for more than 9 years.a. has come here b. has started to workc. has lived there d. has left the university24.how long has he been away? a.two hours before. b. since two hours. c.two hours ago. d. for two hours. 25.i have _ the bike for a year. a. bought b. sold c. buy d. had 26.china has _ the host for the 2008 olympic games since july 13 2001. a. become b. been c. became d. turned 27.her grandfather _ for over five years. a. has been dead b. has been died c. died d. has died 28. _ the market _ for many years? -no, it _ only one year ago. a. hasopened was open b. is opened was opened c. has been open opened d. was opened was opened 29.i m sorry to hear that the boy _ home for two days. a. has left b. has been away from c. left d. is away from 30.chen ping _ the cd player for a week. a. has bought b. has had c. had had d. has borrowed 31.his father died _. a. at the age of his six b. for six years c. when he was six d. his age was six 32.how long have you _ it? a. come b. got c. arrived d. been 33.mother _me a new coat yesterday. i _ it on. it fits me well.a. had madehave tried b. madehave tried c. has madetried d. madetried34 “he _to draw horses already”. “when _ he ?” “ last year “ a. learnedhas b. learneddid c. has learnedhas d. has learneddid35.tom _up into the tree. look, he _ high up there !a. has gotis b. has climbedwas c. got was d. climbedis36._ you _ the text yet ? yes, we _ it two hours ago.a. didcopydid b. havecopiedhave c. havecopieddid d. did copyhad37. _you _ the film before ? where _ you _ it ?a. have seendidsee b. did seedidwatchc. haveseenhaveseen d. did seehaveseen38.you _ me waiting for two hours. i _ for you since five.a. keptwaited b. have keptwaited
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