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现在完成时与现在完成进行时概述: 现在完成时表示过去某时发生的行为对主语目前产生的影响。 即用过去发生的某个行为来说明现在的某种情况。 We are good friends.(现在的情况) I knew him in 1997.(过去的动作) We have known each other since 1997. (现在完成时把过去的动作和现在联系起来并着眼于现在) She has been to Beijing. (现在已不在北京, 从结果上和现在联系起来) She has been in Beijing for two years. (现在仍在北京,从时间上和现在联系起来)现在完成时的三种基本用法:1、未完成用法 表示动作或状态开始于过去,一直延续到现在,可能继续发展,也可能刚刚结束。He has been in the army for ten years.I have studied English since 1980.He has lived here all his life. a.be,live,study都是延续性动词。 b.常用的时间状语: since,for,in the past few years,so far, all his life.2、反复性用法,表示过去到现在这段时间内反复发生的动作。I have been to the city twice this week.I have often wondered where she makes her money all these days.这种用法从时间上与现在发生了联系。3、完成性用法,表示动作或状态到说话时已经完成,通常所产生的结果把过去的动作和状态和现在联系起来。 He has gone to Shanghai.他已经去了上海。(结果:他已不在这儿,He is not here now.)瞬间性动词如 arrive, join , die, get , come, buy, sell, leave, borrow,marry 等,以及终止性动词如start, begin, finish等,在现在完成时的肯定形式中不能与 “for + 一段时间”的时间状语连用,但可以用在否定句或这些动词对应的状态动词中。为了表述这种意思,我们常用相应的延续性动词have,keep,be.等来代替非延续性动词。1. I have joined/been in the army for ten year.2. He has been to /gone to Dalian many times.3. She has got married/been married to Roberts for a year.4. He has gone/ been away for two days.5. He has had/ has bought this book for a year.练习1.Can you make sure _ the gold ring?A.where Alice had putB.where had Alice putC.where Alice has putD.where has Alice put2.When I was at college I _ three foreign languages,but I _ all except a few words of each.A.spoke had forgottenB.spoke have forgottenC.had spoken had forgottenD.had spoken have forgotten 3.-Im sorry to keep you waiting.-Oh,not at all.I _ here only a few minutes.A.have been B.had been C.was D.will be4.The price _,but I doubt whether it will remain so.A.went down B.will go downC.has gone down D.was going down5.All the preparations for the task_,and were ready to start. A.completed B.complete C.had been completedD.have been completed现在完成进行时过去某时开始一直延续至今的动作,可能还要继续进行表示动作从过去某一时刻开始,一直延续到现在,现在这个动作可能刚刚终止,也可能仍然在进行着。The CCTV has been broadcasting English programs ever since 1977.表示一个事件在某个事件之前一直进行,用于表达事件的持续性.-You look tired. -Have you been exercising? -Im sorry Im late. -Have you been waiting long?练习1.-Hi, Tracy, you look tired.- I am tired. I _ the living room all day.A. painted B. had paintedC. have been paintingD. have painted2.She _ letters all morning and felt tired.A.has been writing B. writesC. has writtenD. had been writing3.-Isnt it hard to drive downtown to work?-Yes, thats why I _ to work by train.A. have been goingB. have goneC. was going to D. will have gone4. 1. Where have you been? We _ for you everywhere . A. look B. were looking C. have been looking D. had been looked5. I wonder why Jenny _ us recently. We should have heard from her by now. A. hasnt written B. doesnt write C. wont write D. hadnt written总结: 现在完成时现在完成进行时 动作已经完成动作在迄今为止的一段时间内曾经延续进行和目前还在进行 强调动作的结果或影响强调动作的结果或影响1.The telephone _ (ri
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