现在完成时与一般过去时附比较练习(5页).doc
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1、-现在完成时与一般过去时附比较练习-第 5 页现在完成时一、构成1.肯定句: 主语+have/has+过去分词+(其他)。2. 否定句: 主语+have/has+not +过去分词+(其他)。3. 一般疑问句 Have/has+主语+过去分词? Yes, S+have/has. No, S+have/hasnt.二、特征词already(肯定句)yet(否定句和疑问句)never,ever(疑问句)just (谓语动词之前) before(句末)so far= up to now, by now(到如今,迄今为止)in the past/last few years, (过去几年来)these
2、 days(这几天)since/ever since(自从,从那时起)for+ 时间段 :for two years三、用法1.表示过去发生的某一动作对现在造成的影响或结果。 I have already seen the film.我已经看过这部电影了。(还记得内容) Jim has just lost his book.吉姆刚才把书丢了。(还没找到)2.常和表示从过去某一时刻延续到现在的一段时间的状语连用.如: for+时间段 for12 weeks/three minutes since+ 时间点(起点) since 9 oclock this morning since一段时间agof
3、or时间段; since two weeks ago=for two weeks for a year=since a year ago; since 2000=for 9 years since+从句(从句常用一般过去时) The Greens have lived in Macao since they moved to Macao from Paris.格林一家从巴黎搬到澳门之后就一直住在澳门。四、时态填空:1.Are you sure you _(lose) the book?-Yes, I _(look) for it everywhere, but I still cant fin
4、d it.2.We _ already _(copy) these words.3. Jim _(just, watch) a football match. He is so tired and hungry.4. _you ever _(travel) on a train?5. -_ they _(see) the film yet?-Yes.They_(see) it already.-When_they_(see) it? -They _(see)it just now.6.- _ her sister _(be) to Nanning?-No,she_( never,be) the
5、re before.五、现在完成时与一般过去时的区别现在完成时与一般过去时都表示“动作已经发生”,但不同点在于:(1) 现在完成时强调这一动作与现在的关系,即对现在产生的结果、影响等,而一般过去时只表示过去的事实,不表示和现在的关系。He has learned French for three years.他学法语已经三年了。He learned French for three years.他曾经学过三年法语。Who has taken my bag? I couldnt find it.谁拿走了我的包?我找不到了?He cleaned the house yesterday.他昨天打扫过
6、房间。The room is clean, for he has cleaned it already.房间很干净,因为他已经打扫过了。(2) 现在完成时不可与表示过去的时间副词连用,而一般过去时则可以。He has done some washing yesterday.He did some washing yesterday.他昨天洗衣服了。六、 现在完成时与一般过去时练习1. - Where _you _ (put) the book? I cant see it anywhere. - I _(put) it right here. But now its gone. A. did
7、; put; put B. have; put; put C. did; put; have put D. have; put; have put 2. We havent heard from Jane for a long time. What do you suppose _ to her? A. was happening B. happens C. has happened D. happened 3. Hello, I _ you were in London. How long _ here? A. dont know; were you B. hadnt known; are
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