现在完成时.ppt

1、the Present Perfect Tense,BY Yu Yizhong,现在完成时,Conclusion：现在完成时表示一个到现在时间为止已经完成了的、对现在有影响的动作或状态。（现在完成时的已完成用法）,Whats the Present Perfect Tense? 什么是现在完成时,I have visited some beautiful cities.,A friend has told me about a nice little fish restaurant near here.,They have put up a lot of high-rise buildings

2、 recently.,John Martin: Oh, look at that huge apartment block! Xiao Li: Yes, they have just completed it.,1,2,3,4,Conclusion：现在完成时表示一个从过去某一刻开始延续到现在的动作或状态，这个动作或状态也许还会持续下去，常与for,since或一段时间连用。（现在完成时的未完成用法）,Am I right in thinking that you have lived here all your life?,The family has lived in this town

3、for twenty years.,He has studied English since he was 12 years old.,I have known him since last December.,Whats the Present Perfect Tense? 什么是现在完成时,1,2,3,4,I have seen quite a lot of China. We have started a holiday club for children. They have put up a lot of high-rise buildings recently. It has be

4、en very successful, so far.,Have you collected any information about occupations? Has Tom left our town? Yes, he has. And how long has he been away? About two hours.,肯定句：主语 + have/has + 过去分词.,It has not been very successful yet. (has not=hasnt),否定句：主语 + have/has not + 过去分词.,疑问句:(疑问词)Have/Has + 主语 +

5、过去分词?,We have not finished the work. (have not=havent),1.,2.,3.,Sentence Structures 现在完成时的构成,Weve already done our best to help people find employment.,Theyve put up a lot of high-rise buildings recently/lately.,We have seen that film before.,Have you collected any information about occupations yet?

6、,Conclusion: 现在完成时的已完成用法往往同表示不确定的过去时间状语连用，如already, recently, lately, just, yet, ever, before等。,Time Expressions with Present Perfect Tense 现在完成时常用的时间短语,My wifes just bought a beautiful dress from one of the shops there.,Have you ever been to Gulangyu Island?,1,2,3,4,5,6,Conclusion: 现在完成时未完成用法往往同包含现

7、在时间在内的时间状语连用, 如so far, up to now, till now, all ones life等。,Am I right in thinking that youve lived here all your life?,Its been very successful, so far.,Up to now, Ive understood everything the teachers said.,Weve had very good weather this winter, till now.,Time Expressions with Present Perfect Te

8、nse 现在完成时常用的时间短语,1,2,3,4,Time Expressions with Present Perfect Tense 现在完成时常用的时间短语,I have never seen such a high building.,I have always lived in the same neighbourhood.,I have sometimes had letters from him.,We have often been there.,1,2,3,4,Conclusion: 现在完成时还可以与表示频度的时间状语连用，如often, sometimes, never,

9、 always, once, twice, three times等。,Ive been there twice / three times.,5,Continuous Verb OR Non-Continuous Verb 延续性动词还是非延续性动词,John Martin has come to Xiamen.,John Martin has come to Xiamen for three years.,John Martin has not come to Xiamen for three years.,Conclusion: 非延续性动词（终止性动词）的肯定式不能和一段时间的状语连用

10、，应改用相应的延续性动词或其它句型。,1,John Martin has fallen ill since he moved to Xiamen.,John Martin has been ill since he moved to Xiamen.,John Martin has not fallen ill since he moved to Xiamen.,2,3,4,5,6,leave be away,die be dead,finish be over,marry be married,join be in,fall ill be ill,buy have,borrow keep,mo

11、ve to live in,Non-Continuous Verb Continuous Verb 非延续性动词转换为延续性动词,翻译：这辆自行车我已买三年了。,1. I have had this bike for three years.,2. It has been three years since I bought this bike.,Xiao Li has gone to Gulangyu Island. Oh, can you tell me when he left?,Is that Jack speaking? Sorry, he isnt in right now. He

12、 has gone to the cinema with his aunt.,Conclusion： have been to表示去过某地(有去过某地的经历)，人可以在说话处，或其它任何地方；可与表示次数的状语连用。,John Martin has been to Gulangyu Island twice.,Conclusion： have gone to表示去某地了，人一定不在说话处，要么在去的路上，要么已经到了，要么在回来的路上。,have been to OR have gone to “去过”还是“去了”,Have you ever been to Gulangyu Island?

13、Yes, I have.,1,2,3,4,It has been six years since we last saw each other.,This is the first time (that) Ive visited your hometown.,This is the best film that I have ever seen.,If it has stopped raining, we will go to the park.,Ill return the book the library as soon as I have finished it.,Conclusion：

14、在一些特殊的句型中要使用现在完成时态。,Present Perfect Tense in Special Sentences 特殊句型中的现在完成时,1,2,3,4,5,I have been to Gulangyu Island in the last year. I went to Gulangyu Island last year.,He has returned from Paris. He returned from Paris yesterday.,He has been in the army for three years. He joined the army three y

15、ears ago.,Xiao Li has lived in Xiamen for 30 years. Xiao Li lived in Xiamen for 30 years.,Conclusion 1）一般过去时表示在确定的过去时间发生过的动作，仅陈述这一发生的动作属实，该动作和现在没有任何关系。 而现在完成时表示过去发生的动作对现在造成的影响或结果，该动作现已完成或可能持续，强调的是过去对现在的影响或结果。,1,2,3,4,Conclusion 2）一般过去时常与具体的时间状语连用, 如ago, yesterday, last week, in 1980, in October, 而现在

16、完成时通常与模糊的时间状语连用，或无时间状语。,Present Perfect Tense OR Simple Past Tense 现在完成时还是一般过去时,Review of Key Points 要点回顾,Key,Points,1. That must have been a long trip. Yeah, it _ us a whole week to get there. (2011北京) A. takes B. has taken C. took D. was taking 2. In 1492, Columbus _ on one of the Bahama Islands, but he mistook it for an island off India. (2011湖南) A. lands B. landed C. has landed D. had landed 3. In the last few years thousands of fil