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1、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/hasn t.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 days(这几天)sin
2、ce/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for12weeks/three minutessince+ 时间点 (起点 )since 9 o'clock this morningsince一段时间ago for时间段 ;sin
3、ce two weeks ago=for two weeksfor a year=since a year ago;since 2000=for 9 yearssince+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。1四、时态填空:1.Are you sure you _(lose) the book?-Yes, I _(look) for it everywhere,but I still can t find it.2.We _
4、 already _(copy)these words.3. Jim _(just, watch) a football match. He is so tired and hungry.4. _youever _(travel) ona 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) there before.五、现在完成
5、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 couldn't find it. 谁拿走了我的包?我找不到了?He cleaned the house yesterday.他昨天打扫过房间。The roo
6、m 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 can t see it anywhere.- I _(put) it right here. But now it s gone.A. did ; put; putB.
7、have; put; putC. did; put; have putD. have; put; have put2.We haven t heard from Jane for a long time. What do you suppose _ to her?A. was happeningB. happensC. has happenedD. happened3. Hello, I _ you were in London. How long _ here?A. don t know; were youB. hadn t known; are youC. haven t known; a
8、reD. didn t know; have you been24.I m glad to tell you that we _ the work in less time than we _ expected to.A. finished; wereB. have finished; areC. have finished; wereD. had finished; were5.It _ that pleasant music keeps people from becoming tired at their work.A. findsB. has foundC. was foundD. h
9、as been found6. When I was at college I _ three foreign language but I _ all except a few words of each.A. spoke; had forgottenB. spoke; have forgottenC. had spoken; had forgottenC. had spoken; have forgotten7. I m sorry,Mary, I _ your radio for such a long time. Never mind.A. keepB. keptC. have kep
10、tD. am keeping8. Where have you _ these days? I have _ to Yangzhou with my friends.A. been, goneB. been, beenC. gone, beenD. gone, gone9. Where is your father? We haven t seen each other for weeks. _.A. He has been to AmericaB. He has gone to EnglandC. He is going to AustraliaD. He would visit my gr
11、andparents10. They have _ since the factory opened.A. left the schoolB. joined the teamC. become workersD. worked here11. Jim _ the Great Wall many times.A. went toB. goes toC. has gone toD. has been to12. It _ ten years since they _ to France.A. was, movedB. was, have moved3C. is, have movedD. is,
12、moved13. _ to the United States? No, never, but I went to Canada a few years ago.A. Have you beenB. Have you goneC. Did you goD. Will you go14. .I won t go to see the film tonight because I _ my ticket.A. didn t loseB. have lostC. will loseD. didn t have15. Miss Wu has taught in this school _.A. for
13、 ten yearsB. ten years agoC. since ten yearsD. for ten years ago16. I _ today s homework already. What about you?A. have finishedB. finishC. to finishD. Finishing17. Ann has gone to Shanghai. So _ her parents.A. hasB. hadC. didD. have用所给动词的适当形式填空。1.With the medicine box under her arm, Miss Zhao(hurr
14、y) off to look after the man.2.Jim(make) many friends since he(come) to China.3. They _(know) each other for about ten years.4. He _ already _(write) a letter to the factory to ask them to stop making noise.5. When _ she _(leave)? Two hours ago.6. _ you _(see) the film before? Yes, I _. Where _ you _(see) it? At The Queen s Cinema.7. Thank you all the
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