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1、现在完成时的复习,Grammar 现在完成时的用法 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）He has been dead for two years.(die 的这种状态的延续。),现在完成时的几种基本用法：1、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
2、 in the army for ten years.I have studied English since 1980.He has lived here all his life.,a.be,live,study 等都是延续性动词。b.常用的时间状语：since+时间点 for+时间段 in the past/last few years,so far,all his life.,2 表示动作发生在过去对目前造成的影响。通常有yet,already,ever,never,just 等副词。-Have you finished your homework yet?-No,not yet.(现
3、在的结果)-The room is tidy now.-Yeah!I have just cleaned up,3 现在完成时的特殊结构 I have been to the city twice this week.(现在人不在这个城市）He has gone to Hongkong on business.（人到了香港或在途中）She has been in Beijing for two years.(呆在北京或来北京两年了),Can you make sure _ the gold ring?A.where Alice had putB.where had Alice putC.whe
4、re Alice has putD.where has Alice put 使用现在完成时表示过去发生的“放”的动作对现在的影响，究竟金戒指现在“在哪里”。,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“但都忘了”是现在的情况，要用现在完成时，强调结果。,-Im sorry
5、 to keep you waiting.-Oh,not at all.I _ here only a few minutes.A.have been B.had beenC.was D.will be“(for)only a few minutes”说明几分钟前来了这里，一直到现在。,-_ the sports meet might be put off.-Yes,it all depends on the weather.A.Ive been told B.Ive toldC.Im told D.I told“被告知”是过去的事，对现在的影响是“我已知道”。,The price _,but
6、 I doubt whether it will remain so.A.went down B.will go downC.has gone down D.was going down表示已发生的动作,All the preparations for the task_,and were ready to start.A.completed B.completeC.had been completedD.have been completed 过去的动作“完成了准备工作”，对现在的影响是“现在已准备出发了”。,My dictionary _.I have looked for it ever
7、ywhere but still _ it.A.has lost;dont findB.is missing;dont findC.has lost;havent foundD.is missing;havent found,-Where _ the recorder?I cant see it anywhere.-I _ it right here,but now its gone.A.did you put;have putB.have you put;putC.had you put;have putD.were you putting;have put,The CCTV has bee
8、n broadcasting English programs ever since 1977.,4 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 hot and tired.Have you been exercising?Im sorry Im late.Have you been waiting long?,-Hi,Tracy,you look tired.-I am tired.I _ the living room all day.A.painted B.had paintedC.have been paintingD.have painted,She _ letters all morning and felt tired.A.has been writing B.writesC.has writtenD.had been writing,-Isnt it hard to drive downtown to work?-Yes,thats why I _ to work by train.have been goinghave gonewas going towill have gone,
