Unit14Grammar精品课件.ppt

Unit 14 Have you packed it yet? Section A GrammarGrammar 现在完成时的用法现在完成时的用法 现在完成时表示过去某时发生的行为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的某个行为来说明现在的某种情况We are good friends. (现在的情况）现在的情况）I knew him in 1997.（过去的动作）（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（现在完成时把过去的动作和现在联系起来并着眼于现在）起来并着眼于现在） She has been to Beijing. (现在已不在北京，从结果上和现在联现在已不在北京，从结果上和现在联系起来）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（现在仍在北京，从时间上和现在联系起来）起来）现在完成时的三种基本用法：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、未完成用法表示动作或状态开始于过去，一直延续到现在，可能继始于过去，一直延续到现在，可能继续发展，也可能刚刚结束续发展，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 都是延续性动词都是延续性动词 b.常用的时间状语：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、反复性用法，表示过去到现在这段时间内反复发生的动作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这种用法从时间上与现在发生了联系。

系3、完成性用法，表示动作或状态到说、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. 他已经去了上海他已经去了上海 （结果：他已不在这儿）（结果：他已不在这儿）Can you make sure ___ the gold ring?A. where Alice had putB. where had Alice putC. where Alice has putD. where has Alice put 使用现在完成时表示过去发生的使用现在完成时表示过去发生的“放放”的动作对现在的影响，究竟金戒的动作对现在的影响，究竟金戒指现在指现在“在哪里在哪里”　 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 “但都忘了但都忘了”是现在的情况，要用现是现在的情况，要用现在完成时，强调结果。

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 beenC. was D. will be “(for) only a few minutes”说明几分说明几分钟前来了这里，一直到现在钟前来了这里，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 toldC. I’m told D.I told“被告知被告知”是过去的事，对现在的影是过去的事，对现在的影响响是是“我已知道我已知道”The price ___, but I doubt whether it will remain so.A. went down B. will go downC. has gone down D. was going down表示已发生的动作表示已发生的动作 All the preparations for the task__, and we’re ready to start.A. completed B. completeC. had been completedD. have been completed 过去的动作过去的动作“完成了准备工作完成了准备工作”，，对现在的影响是对现在的影响是“现在已准备出发了现在已准备出发了”。

 My dictionary ___. I have looked for it everywhere but still ___ it.A. has lost; don’t findB. is missing; don’t findC. has lost; haven’t foundD. is missing; haven’t found--Where ___ the recorder? I can’t see it anywhere.--I ___ it right here, but now it’s gone.A. did you put; have putB. have you put; putC. had you put; have putD. were you putting; have putThe CCTV has been broadcasting English programs ever since 1977.1977now表示一个事件在某个事件之前一直进表示一个事件在某个事件之前一直进行行, 用于表达事件的持续性用于表达事件的持续性You look hot and tired. Have you been exercising? I'm sorry I'm 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----Isn’t it hard to drive downtown to work?----Yes, that’s why I ____ to work by train.A.have been goingB.have goneC.was going toD.will have gone( )1. —I haven’t seen Jane for a long time. Where is she? —She _____ to New York. A. went B. goes C. has gone 【【运用运用】】选择最佳选项。

选择最佳选项C( )2. —Who _____ the dictionary? I want to use it. —Zhang Ming. He _____ it for a week. A. borrowed; borrowed B. borrowed; has kept C. borrows; borrowedB按要求完成下列各句按要求完成下列各句, 每空一词每空一词(含缩含缩写写)3. He has already finished his homework. (改为否定句改为否定句) He ______ finished his homework ____.4. They have found the lost books already. (改为一般疑问句改为一般疑问句) _____ they _____ the lost books ___? yethasn’tHavefoundyet 5. Julia hasn’t got home from school yet. (改为肯定句改为肯定句) Julia ___ _______ ___ home from school.has already got。