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The Present Perfect TenseWhat have you done this morning ?I have seen a little accident this morning.I saw a little accident this morning.Fill in the form:1. I _ (know)Li Lei for three years 2. I _ (live) here since 1980 3. -_ you _ (finish) your work yet？-Yes，I _I _ just _ (finish) it 4. -_ you ever_ (be) to a chicken farm？-No，I _ never _ (be) to a chicken farm 5.She _ (be) at this school for over fourteen yearshave knownhave livedHavefinishedhavehavefinishedHavebeenhavebeenhas been The form of the Present Perfect Tense (现在完成时的现在完成时的构成构成):“have/has + donehave/has + done” (” (助动词助动词have/ /has+过去分词过去分词)Make sentences, using the Present Perfect Tense:1.go abroad 2. Work , factory, three years3. Study , in No.3 middle School ?4. learn English words, 20005. spit in public places ?6. to, be , Peter, Australia, not only, America, also but, 7. never, we, watch, anyone, surf, on beach, in, the,China Peter has been to not only America but also Australia.We have never watched anyone surfed on the beach in China.Fill in the form:1.Mary _ (sing ) this song already. Let her have a rest.2. He _ never _ (travel) on a train.3. Mr Green _ (teach) English since 1990.4. Jim _ (be) to Wuhan twice.5. Where is Jim? He _ (go) to Wuhan for business. 6. She _ (work) in that factory for 20 years. 7._ you _ (see) the film before? No, not yet.have sunghastravelledhas taughthas beenhas gonehas workedHaveseen Discussion:1.When is the Present Perfect Tense used?2.Whats the difference between have/has gone to and have/has been to ?3.What kinds of words or phrases can be used in the Present Perfect Tense ?DiscussionDiscussion1. When is the Present Perfect Tense used?2.Whats the difference between have/has gone to and have/has been to ?3.What kinds of words or phrases can be used in the Present Perfect Tense ?现在完成时的用法现在完成时的用法:（1）表示过去发生或已经完成的某一动作对现在造成的影响或结果）表示过去发生或已经完成的某一动作对现在造成的影响或结果; ;（2）表示过去已经开始，持续到现在的动作或状态）表示过去已经开始，持续到现在的动作或状态.我们可以简记为：过去对现在，过去到现在我们可以简记为：过去对现在，过去到现在have/has been和和have/has gone的区别：的区别： have/has been表表示示“曾到过某地曾到过某地”；have/has gone表示表示“到某地去了到某地去了” 。现在完成时现在完成时常与常与already，just，yet，ever，never, before等连用等连用. .也也可以和表示从过去某一时刻延续到现可以和表示从过去某一时刻延续到现在（包括在（包括“现在现在”在内）的一段时间的状语连用，如在内）的一段时间的状语连用，如for，since，so far, now，today，this month，this year等等.DiscussionDiscussion用所给动词的适当形式填空：用所给动词的适当形式填空：1.1.The newspaper is here. It _(come) a The newspaper is here. It _(come) a moment ago. I _(not read) it yet.moment ago. I _(not read) it yet.2. I _ (lend) my CD player to her 2. I _ (lend) my CD player to her yesterday, but she _ (not return) yesterday, but she _ (not return) it to me yet.it to me yet.3. Have you _ ( borrow) this book 3. Have you _ ( borrow) this book before? before? Yes, I _ ( borrow) it last week. Yes, I _ ( borrow) it last week.4. _ you _ (copy) all the new words?4. _ you _ (copy) all the new words? Yes, I _ (copy) them half an hour ago. Yes, I _ (copy) them half an hour ago.5. Where is Jack? He _ (go) swimming 5. Where is Jack? He _ (go) swimming already. He _ (go) out 20 minutes ago.already. He _ (go) out 20 minutes ago.6. _ you _(see) the film before? 6. _ you _(see) the film before? Yes, I _ . When _ you _ (see) it? Yes, I _ . When _ you _ (see) it? A month ago.A month ago.camecamehavent havent readreadlentlentborrowedborrowedhasnt hasnt returnedreturnedborrowedborrowedcopiedcopiedcopiedcopiedhas gonehas gonewentwentHaveHaveseenseendiddidhavehaveseeseeHaveHave现在完成时和一般过去时的比较现在完成时和一般过去时的比较（1 1）一般过去时表示过去某时发生的动作或单纯叙述）一般过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时为过去发生的，强调过去的事情，强调动作；现在完成时为过去发生的，强调过去的事情对现在的影响，强调的是影响。过去的事情对现在的影响，强调的是影响。 （2 2）一般过去时常与具体的时间状语连用，如：）一般过去时常与具体的时间状语连用，如：yesterday, last weekyesterday, last week，ago, in 1980, in October, just ago, in 1980, in October, just nownow等等. .而现在完成时通常与而现在完成时通常与 just, already,ever, never, just, already,ever, never, yet,yet, 等副词和等副词和 for, since, so far,these days for, since, so far,these days 等表示一段时等表示一段时间的状语连用，或无时间状语。间的状语连用，或无时间状语。（3 3）现在完成时可表示从过去持续到现在的动作或状态，）现在完成时可表示从过去持续到现在的动作或状态，动词一般是延续性的，例如：动词一般是延续性的，例如：live, teach, learn, work, live, teach, learn, work, study, knowstudy, know , , 一般过去时则没有这一用法一般过去时则没有这一用法. . Correct the mistakes: Correct the mistakes:1. 1.The film has begun for half an hour.The film has begun for half an hour.2.2. The baby has caught a bad cold since last night.The baby has caught a bad cold since last night.3. 3. He has borrowed the magazine for a few days.He has borrowed the magazine for a few days.4. 4. How long has he joined the army?How long has he joined the army?The film has been on for half an hour.The film has been on for half an hour.The film began half an hour ago.The film began half an hour ago.The baby have had a bad cold since last night.The baby have had a bad cold since last night.The baby had a bad cold last night.The baby had a bad cold last night.He has kept the book for a few days.He has kept the book for a few days.He borrowed the book a few days ago.He borrowed the book a few days ago.How long has he been in the army?How long has he been in the army?How long has he been a member of the army. How long has he been a member of the army. When did he joined the army? When did he joined the army? 关于瞬间动词：关于瞬间动词：1. 1. 瞬间动词可以有现在完成时态，瞬间动词可以有现在完成时态， 但不可以与表示一段时间的状语连用，但不可以与表示一段时间的状语连用，若要接一段时间，需要做一些相应的变换：若要接一段时间，需要做一些相应的变换：borrow borrow buy buy diedie open open close close leave leave come come get/arrive get/arrive join join 2.但是瞬间动词的否定形式可以与表示一段时间的状语连用。但是瞬间动词的否定形式可以与表示一段时间的状语连用。keepkeephavehavebe deadbe deadbe openedbe openedbe closedbe closedbe away frombe away frombebebe in be in be a member ofbe a member ofegeg. . He hasnt come here for a week.He hasnt come here for a week.egeg. The dog . The dog has been deadhas been dead for two days. for two days. He He has kepthas kept this book for a week. this book for a week.Fill in the form, using different tenses :1.Han Mei _ to England once a year. (go)2.Last year, Jim _ to Shanghai. (travel)3.We _ nearly 2000 words by the end of next term. (learn)4.The old man _ on the lonely island all his life. (live)5.Sometimes Mr Green _ Mr Smith with presents. (visit)6.No news _ good news. (be)7.The factory _ for several years. (close)goestravelledwill learnhas livedvisitsishas been closedThere has had a lot of big factories in my hometown since 1994.There has been a lot of big factories in my hometown since 1994.I Im sure that we have seen the film ago.m sure that we have seen the film ago.Im sure that we have seen the film Im sure that we have seen the film beforebefore. .A.He has lived in Beijing for 8 years.B.He lived in Beijing for 8 years.A句指的是到目前为止他在北京住了句指的是到目前为止他在北京住了8年了，可能年了，可能还会继续住下去。还会继续住下去。B句指的是他在北京住过句指的是他在北京住过8年，年， 现在不在北京了。现在不在北京了。Jim, for, so, has, tonight, is, Shanghai, tomorrow, leaving, to, bed, early, go, he, to. - Jim is leaving for Shanghai tomorrow, so he has to go to bed early tonight.王叔叔离开家已经有几天了，他去大连出差了。王叔叔离开家已经有几天了，他去大连出差了。 Uncle Wang has been away from his home for several days. He has gone to Dalian on business.我是半小时以前开始写作文的，我是半小时以前开始写作文的，现在还没有写完呢。现在还没有写完呢。 I began to write my composition half an hour ago and I havent finished it yet.seen, I, book, you, havent, your, put, history, it, the, just, teachers, now, desk, on.I havent seen your history book.You put it on the teachers desk just now.Choose one topic and make a dialogue:1. in the library2. talk about a place you have just been to Thank you !Thank you !Goodbye!Goodbye!
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