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1、精選優(yōu)質(zhì)文檔-傾情為你奉上現(xiàn)在完成時(shí)一、構(gòu)成1.肯定句: 主語+have/has+過去分詞+(其他）。2. 否定句: 主語+have/has+not +過去分詞+(其他）。3. 一般疑問句 Have/has+主語+過去分詞? Yes, S+have/has. No, S+have/hasnt.二、特征詞already(肯定句)yet(否定句和疑問句)never，ever(疑問句)just (謂語動(dòng)詞之前) before(句末）so far= up to now, by now（到如今，迄今為止）in the past/last few years, (過去幾年來)these days（這幾天）

2、since/ever since（自從，從那時(shí)起）for+ 時(shí)間段 :for two years三、用法1.表示過去發(fā)生的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。 I have already seen the film.我已經(jīng)看過這部電影了。（還記得內(nèi)容） Jim has just lost his book.吉姆剛才把書丟了。（還沒找到）2.常和表示從過去某一時(shí)刻延續(xù)到現(xiàn)在的一段時(shí)間的狀語連用.如： for+時(shí)間段 for12 weeks/three minutes since+ 時(shí)間點(diǎn)(起點(diǎn)) since 9 o'clock this morning since一段時(shí)間agofor時(shí)間段

3、; since two weeks ago=for two weeks for a year=since a year ago; since 2000=for 9 years since+從句(從句常用一般過去時(shí)) The Greens have lived in Macao since they moved to Macao from Paris.格林一家從巴黎搬到澳門之后就一直住在澳門。四、時(shí)態(tài)填空：1.Are you sure you _(lose) the book?-Yes, I _(look) for it everywhere, but I still cant find it.

4、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) there be

5、fore.五、現(xiàn)在完成時(shí)與一般過去時(shí)的區(qū)別現(xiàn)在完成時(shí)與一般過去時(shí)都表示“動(dòng)作已經(jīng)發(fā)生”，但不同點(diǎn)在于：（1） 現(xiàn)在完成時(shí)強(qiáng)調(diào)這一動(dòng)作與現(xiàn)在的關(guān)系，即對(duì)現(xiàn)在產(chǎn)生的結(jié)果、影響等，而一般過去時(shí)只表示過去的事實(shí)，不表示和現(xiàn)在的關(guān)系。He has learned French for three years.他學(xué)法語已經(jīng)三年了。He learned French for three years.他曾經(jīng)學(xué)過三年法語。Who has taken my bag? I couldn't find it.誰拿走了我的包？我找不到了？He cleaned the house yesterday.他昨天打掃過

6、房間。The room is clean, for he has cleaned it already.房間很干凈，因?yàn)樗呀?jīng)打掃過了。（2） 現(xiàn)在完成時(shí)不可與表示過去的時(shí)間副詞連用，而一般過去時(shí)則可以。He has done some washing yesterday.He did some washing yesterday.他昨天洗衣服了。6、 現(xiàn)在完成時(shí)與一般過去時(shí)練習(xí)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

8、you C. havent 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. find

9、s B. has found 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

10、.    Never mind. 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, b

11、een   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 going to Australia D. He would visit my grandparents10. They have _ since th

12、e 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 to     D. has been to12. It

13、_ ten years since they _ to France. A. was, moved      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 y

14、ou 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. didnt have15. Miss Wu has taught in this school _. A. for ten years