文档详情

现在完成时与完成进行时.ppt

发布:2018-09-08约2.46千字共21页下载文档
文本预览下载声明
* 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) 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 gets 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.) Can you make sure ___ the gold ring? A.where Alice had put B.where had Alice put C.where Alice has put D.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 forgotten B.spoke;have forgotten C.had spoken;had forgotten D.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。 ----I’m 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 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. I’ve been told B. I’ve told C.I’m 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 I doubt whether it will remain so. A.went down B.will go down C.has gone down D.was going down 表示已发生的动作 All the preparations for the task__,and we’re ready to start. A.completed B.complete C.had been completed D.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 everywhere but still ___ it. has lost; don’t find is missing; don’t find has lost; haven’t found is missing; haven’t fo
显示全部
相似文档