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1、THE PRESENT PERFECT TENSE The key isnt in his pockets now. He has lost his key.They are in the room now.They have come into the room.past now Yesterday , we cleaned the classroom.Now , the classroom is clean because we have cleaned it.用法用法1強調強調過去發(fā)生的動作過去發(fā)生的動作對對現(xiàn)在產生的現(xiàn)在產生的結果或影結果或影響響 1. My father bought

2、 many books for me yesterday . Now , I have a lot to read because _ 2. I saw this film last week. Now, I know this film because I_. 3. I finished my homework yesterday. Now, I can give it to the teacher because I_my father has bought many books for me.have seen it before have finished it. “仍然，還仍然，還

3、” 用在疑問句和否定句中。用在疑問句和否定句中。I havent read this book yet .Have you had breakfast yet ?already:Yet: “已經已經”通常用于肯定句中。通常用于肯定句中。 I have already posted the letter.有時，也用在疑問句中表示驚訝。有時，也用在疑問句中表示驚訝。 Have you eaten up all the food already ?構成：構成：have / has +動詞過去分詞動詞過去分詞 時間狀語：時間狀語：already， yet， ever， never， just， bef

4、ore“從來不從來不” 用在否定句中。用在否定句中。Is he famous ?I have never heard of him .evernever“曾經曾經”通常用于疑問句和通常用于疑問句和肯定句中?？隙ň渲小?I have ever seen this film.Have you ever been to the USA ? “以前以前”用在完成時中，用在完成時中，放在句尾。放在句尾。have never read this kind of books before.justbefore“剛剛剛剛 ”用在陳述句中。用在陳述句中。 Ihave just bought a novel。Sh

5、e began to work in 1999.She still works here now. She has worked at this school for 2 years. now past I began to teach English at this school fiveyears ago.I have taught English at this school four five years.用法用法2 2：過去發(fā)生的動作一直過去發(fā)生的動作一直延續(xù)延續(xù)到現(xiàn)在。到現(xiàn)在。 1. I am a doctor. I began to work when I was 22.Now

6、, I am 26. I _ for four years.2. We went to the USA last Monday. Today is Monday . We _ (stay) in the USA since last Monday. have workedhave stayedsince and forThe woman has worked at this school for 2 years.( since two years ago)since 2 years agosince 1998;since she came to the school)for + for + 一

7、段時間一段時間since+since+點時間點時間一、用一、用FOR和和SINCE填空。填空。_three hours_three oclock_two days_yesterday afternoon_I came here_last Sunday_a week_a long time_1997 _two weeks_three years ago _ last monthforsinceforsincesincesinceforforsinceforsincesince 1.Theyve known each other since_. A.1995 B. three years 2.Iv

8、e been interested in Chinese for_. A. last year B. one year 3. She has been a doctor for_. A. two years B.two years ago 4. Ive had a headache since_. A. I got up this morning B. five hours 5. Weve been here for_. A. one hour B. one oclock AABAB6. My parents have owned this house for_. A. a long time

9、 B. many years ago7. Theyve been in love since_. A. last spring B. three months8. We have known each other since_. A. one year B. last year9. -How long have you been like this? -Since_. A.last night B. two days10.-How long has she worked here? -She has worked here for_. A. 1993 B. six yearsAABAB Exe

10、rcise根據(jù)所給情況，用根據(jù)所給情況，用just,already或或yet造句。造句。1.After lunch you go to see a friend at her house.She saysWould you like something to eat? You say: No, thank you. Ive just had lunch. ( have lunch )2.Joe goes out. Five minutes later,the phone rings and the caller says Can I speak to Joe? You say: Im afra

11、id _.( go out )he has just gone out3.You are eating in a restaurant this evening. The waiter thinks you have finished and starts to take your plate away.You say: Wait a moment !_ ( not / finish )4.You are going to a restaurant this evening.You phone to reserve(預定）預定）a table. Later your friend says S

12、hall I phone to reserve a table? You say: No,_ it (do)I havent finished it yet.I have already done 5.You know that a friend of yours is looking for a job. Perhaps she has been successful.Ask her. You say:_? ( find ) 6.Ann went to the bank, but a few minutes ago she returned. Somebody asks Is Ann sti

13、ll at the bank ? You say: No, _. (come back) Have you already found the jobShe has already came back比較現(xiàn)在完成時和過去時的比較現(xiàn)在完成時和過去時的區(qū)別：區(qū)別：*現(xiàn)在完成時所表示的是過去現(xiàn)在完成時所表示的是過去的行動所早成的現(xiàn)在的情況。的行動所早成的現(xiàn)在的情況。*一般過去時表示的是過去發(fā)一般過去時表示的是過去發(fā)生的事實生的事實現(xiàn)在完成時不能和確定的過去現(xiàn)在完成時不能和確定的過去時間狀語連用，如：時間狀語連用，如：yesterday, last year, in 1976，two days ago

14、, just now但可以和一些不確定的時間狀語連但可以和一些不確定的時間狀語連用，也可和包括現(xiàn)在在內的時間狀用，也可和包括現(xiàn)在在內的時間狀語連用，如：語連用，如：already, yet, before, latelyrecently, once, twice, ever,never。1)She has already come.2)I havent read it yet.*gocomeleavedie等詞語表示等詞語表示的動作是一時的，不能延續(xù)，的動作是一時的，不能延續(xù)，不能與不能與for、since等表示一段等表示一段時間的詞連用，如不能說：時間的詞連用，如不能說：He has gon

15、e for two months.(F)但可以說：但可以說：He has been away for 2months.總結現(xiàn)在完成時：總結現(xiàn)在完成時：1、構成：、構成：have / has +過去分詞過去分詞。2、概念：、概念：(1)表示過去或已經完成的某一動作對現(xiàn)表示過去或已經完成的某一動作對現(xiàn)在在 成的影響或結果。常與下列狀語連用：成的影響或結果。常與下列狀語連用： already, just, yet, ever, never, before （2）表示過去已經發(fā)生，持續(xù)到現(xiàn)在的動作或）表示過去已經發(fā)生，持續(xù)到現(xiàn)在的動作或狀態(tài)，可以和表示從過去某一時刻延續(xù)到現(xiàn)在（包狀態(tài)，可以和表示從過去

16、某一時刻延續(xù)到現(xiàn)在（包括括“現(xiàn)在現(xiàn)在”在內）的在內）的 一段時間的狀語連用。一段時間的狀語連用。 a.for和表示一段時間的詞組連用。和表示一段時間的詞組連用。如：如：for 3 years b.since和表示過去某一時刻的詞或詞組連用和表示過去某一時刻的詞或詞組連用。如：如： since 1997, since two years ago,since last week 動詞的過去式以及過去分詞AAA: put put put letlet letABB: standstood stoodABA:becomebecamebecomeABC: eat ateeaten現(xiàn)在完成時專項練習現(xiàn)在完

17、成時專項練習單項選擇。單項選擇。1、Both his parents look sad . Maybe they _whats happened to him .（呼和浩特（呼和浩特. Knew . have known . must know .will know2、He has _B_ been to Shanghai , has he ?. already .never .ever . still 3、Have you met Mr Li _?. just . ago .before . a moment ago4、The famous writer _ one new book in

18、the past two year . is writing .was writing .wrote .has written5、Our country _ a lot so far .Yes . I hope it will be even _ . has changed ; well . changed ; good. has changed ; better . changed ; better 6、Zhao _already _ at this school for two years . was ; studying . will ; study. has ; studied . a

19、re ; studying7、We _ Xiao Li since she was a little girl . know . had known . have known . knew8、Harry Potter is a very nice film .I_ it twice . will see . have seen . saw .see9、These farmers have been to the United States . Really ? When _ there ?. will they go . did they go. do they go . have they

20、gone 10、_ you _ your homework yet ? Yes . I _ it a moment ago . Did ; do ; finished . Have ; done ; finished. Have ; done ; have finished . will ; do ; finish11、 His father _ the Party since 1978 . joined . has joined . was in . has been in 12、Do you know him well ? Sure .We _ friends since ten year

21、s ago . were . have been . have become . have made 13、How long have you _ here ?About two months . been . gone . come . arrived 14、Hurry up! The play _ for ten minutes . has begun . had begun. has been on . began15、 It _ ten years since he left the army . is . has . will . was16、 Miss Green isnt in

22、the office . she_ to the library .has gone . went .will go . has been 17、My parents _ Shandong for ten years . have been in . have been to. have gone to . have been18、The students have cleaned the classroom, ? A. so they B. dont they C. have they D. havent they19、 has Mr White been a member of Greener China since he to China?A. How soon, comes B. How often, got C. How long, came D. How far, arrived 20、 His uncle for more than 9 years.A. has come here B. has started to work C. has lived there D. has left the university