现在完成时1

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1、The Present Perfect Tense （ 现在完成时现在完成时 ）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 ?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

2、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等等连用连用. .也也可以和表示从过去某一时刻延续到现在（包括可以和表示从过去某一时刻延续到现在（包括“现在现在”在在内）的一段时

3、间的状语连用，如内）的一段时间的状语连用，如for，since，so far, now，today，this month，this year等等. 现在完成时表示动作或状态从过去某一时现在完成时表示动作或状态从过去某一时刻开始、一直持续到现在，多与刻开始、一直持续到现在，多与“since +点点时间时间”或或“for +段时间段时间”连用。连用。for表示表示“经经过过(一段时间一段时间)”，而，而since表示表示“自从自从(以以来来)”。 常见结构如下：常见结构如下：4.现在完成时现在完成时- since 和和 for 的用法的用法for +表示一段时间的状语表示一段时间的状语 一段时间一

4、段时间+ agosince + 表示过去的某一时间点表示过去的某一时间点 从句从句He has lived here for 16 years. 他住在这里有十六年了。他住在这里有十六年了。He has lived here since 16 years ago. 他从十六年前起就住在这里了。他从十六年前起就住在这里了。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 _ (f

5、inish) 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

6、” (” (助动词助动词have/ /has+过去分词过去分词) 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：用，若要接一段时间，需要做一些相应的变换：borrow buy die open close leave come get/arrive 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。keephavebe deadbe openedbe closedbe awa

7、y frombebe in be a member ofeg. He hasnt come here for a week.eg. The dog has been dead for two days. He has kept this book for a week.Correct the mistakes:1. The film has begun for half an hour.2. The baby has caught a bad cold since last night.3. He has borrowed the magazine for a few days.4. How

8、long has he joined the army?The film has been on for half an hour.The film began half an hour ago.The baby have had a bad cold since last night.The baby had a bad cold last night.He has kept the book for a few days.He borrowed the book a few days ago.How long has he been in the army?How long has he

9、been a member of the army. When did he joined the army?A.He has lived in Beijing for 8 years.B.He lived in Beijing for 8 years.A 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 8年了，可能年了，可能还会继续住下去。还会继续住下去。B B句指的是他在北京住过句指的是他在北京住过8 8年，年， 现在不在北京了。现在不在北京了。现在完成时和一般过去时的比较（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

10、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）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 week，ago, in 1980, in October, just now等等.而现在完成时通常与而现在完成时通常与 just, already,ever, never, yet, 等副词和等副词和 for, since, so far,these days 等表示一段时间的状等表示一段时间的状语连用，或无时

11、间状语。语连用，或无时间状语。（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, study, 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.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.The newspaper is here. It _(come) a moment ago. I (not read) it yet.2. I _ (lend) my CD player to her yesterday, but

12、 she _ (not return) it to me yet.3. Have you _ ( borrow) this book before? Yes, I _ ( borrow) it last week.4. _ you _ (copy) all the new words? Yes, I _ (copy) them half an hour ago.5. Where is Jack? He _ (go) swimming already. - He _ (go) out 20 minutes ago.6. _ you _(see) the film before? Yes, I _

13、 . When _ you _(see) it? A month ago.camehavent readlentborrowedhasnt returnedborrowedHavecopiedcopiedhas gonewentHaveseenhavedidseeFill 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 te

14、rm. (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 closedChoose one topic and make a dialogue:1. in the library2. talk about a place you have just been to