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1、精选优质文档-倾情为你奉上现在完成时一、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 days（这几天）
2、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agofor时间段; sin
3、ce 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 find it.2.We
4、_ 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) there before.
5、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。6、 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 ; put; put
7、 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 you C. hav
8、ent known; are D. didnt know; have you been 4. Im glad to tell you that we _ the work in less time than we _ expected to. A. finished; were B. have finished; are C. have finished; were D. had finished; were 5. It _ that pleasant music keeps people from becoming tired at their work. A. finds B. has f
9、ound C. was found D. has been found 6. When I was at college I _ three foreign language but I _ all except a few words of each. A. spoke; had forgotten B. spoke; have forgotten C. had spoken; had forgotten C. had spoken; have forgotten 7. Im sorry, Mary, I _ your radio for such a long time. Never mi
10、nd. A. keep B. kept C. have kept D. am keeping 8. Where have you _ these days? I have _ to Yangzhou with my friends. A. been, gone B. been, been C. gone, been D. gone, gone9. Where is your father? We havent seen each other for weeks._. A. He has been to America B. He has gone to England C. He is goi
11、ng to Australia D. He would visit my grandparents10. They have _ since the factory opened. A. left the school B. joined the team C. become workers D. worked here11. Jim _ the Great Wall many times. A. went to B. goes to C. has gone toD. has been to12. It _ ten years since they _ to France. A. was, m
12、oved B. was, have moved C. is, have moved D. is, moved 13. _ to the United States? No, never, but I went to Canada a few years ago. A. Have you been B. Have you gone C. Did you go D. Will you go14. .I wont go to see the film tonight because I _ my ticket. A. didnt lose B. have lost C. will lose D. d
13、idnt have15. Miss Wu has taught in this school _. A. for ten years B. ten years ago C. since ten years D. for ten years ago16. I _ todays homework already. What about you? A. have finished B. finish C. to finish D. Finishing17. Ann has gone to Shanghai. So _ her parents. A. has B. had C. did D. have
14、用所给动词的适当形式填空。1. With the medicine box under her arm, Miss Zhao (hurry) 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)
15、? Two hours ago.6. _ you _(see) the film before?Yes, I _. Where _ you _(see) it? At The Queens Cinema.7. Thank you all the same, Mr. Black, but I dont eat sweets. Oh, I am sorry. I _(not know) that.8. They usually _(go) fishing when they lived there.9. How long _ she _(be) ill?10. They didnt start to work in the field until the rain _(stop).专心-专注-专业