現(xiàn)在完成時(shí)的用法 完整版課件

1、the Present Perfect TenseThe 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1強(qiáng)調(diào)過去發(fā)生的動(dòng)作對現(xiàn)在產(chǎn)生的結(jié)果或影響 1. My father bought many books for me yeste

2、rday . 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 ” 用在疑問句和否定句中。I havent read thi

3、s book yet .Have you had breakfast yet ?already:Yet: “已經(jīng)”通常用于肯定句中。 I have already posted the letter.有時(shí)，也用在疑問句中表示驚訝。 Have you eaten up all the food already ?構(gòu)成：have / has +動(dòng)詞過去分詞 時(shí)間狀語：already， yet， ever， never， just， before“從來不” 用在否定句中。Is he famous ?I have never heard of him .evernever“曾經(jīng)”通常用于疑問句和肯定句

4、中。 I have ever seen this film.Have you ever been to the USA ?“以前”用在完成時(shí)中，放在句尾。have never read this kind of books before.justbefore“剛剛 ”用在陳述句中。 Ihave just bought a novel。She 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

5、this school fiveyears ago.I have taught English at this school four five years.用法2：過去發(fā)生的動(dòng)作一直延續(xù)到現(xiàn)在。 1. I am a doctor. I began to work when I was 22.Now , 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 stayedsi

6、nce 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 + 一段時(shí)間since+點(diǎn)時(shí)間一、用for和since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 ag

7、o _ last monthforsinceforsincesincesinceforforsinceforsincesince 1.Theyve known each other since_. A.1995 B. three years 2.Ive 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

8、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 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

9、? -Since_. A.last night B. two days10.-How long has she worked here? -She has worked here for_. A. 1993 B. six yearsAABAB Exercise根據(jù)所給情況，用just,already或yet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 l

10、unch )2.Joe goes out. Five minutes later,the phone rings and the caller says Can I speak to Joe? You say: Im afraid _.( 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 /

11、finish )4.You are going to a restaurant this evening.You phone to reserve(預(yù)定）a table. Later your friend says Shall 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

12、 her. You say:_? ( find ) 6.Ann went to the bank, but a few minutes ago she returned. Somebody asks Is Ann still 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(shí)和過去時(shí)的區(qū)別：*現(xiàn)在完成時(shí)所表示的是過去的行動(dòng)所早成的現(xiàn)在的情況。*一般過去時(shí)表示的是過去發(fā)生的事實(shí)現(xiàn)在完成時(shí)不能和確定的過去時(shí)間狀語連用，如：yesterday,

13、 last year, in 1976，two days ago, just now但可以和一些不確定的時(shí)間狀語連用，也可和包括現(xiàn)在在內(nèi)的時(shí)間狀語連用，如：already, yet, before, latelyrecently, once, twice, ever,never。1)She has already come.2)I havent read it yet.*gocomeleavedie等詞語表示的動(dòng)作是一時(shí)的，不能延續(xù)，不能與for、since等表示一段時(shí)間的詞連用，如不能說：He has gone for two months.(F)但可以說：He has been away

14、for 2months.總結(jié)現(xiàn)在完成時(shí)：1、構(gòu)成：have / has +過去分詞。2、概念：(1)表示過去或已經(jīng)完成的某一動(dòng)作對現(xiàn)在 成的影響或結(jié)果。常與下列狀語連用： already, just, yet, ever, never, before （2）表示過去已經(jīng)發(fā)生，持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)，可以和表示從過去某一時(shí)刻延續(xù)到現(xiàn)在（包括“現(xiàn)在”在內(nèi)）的 一段時(shí)間的狀語連用。 a.for和表示一段時(shí)間的詞組連用。如：for 3 years b.since和表示過去某一時(shí)刻的詞或詞組連用。如： since 1997, since two years ago,since last week 動(dòng)詞的

15、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(shí)專項(xiàng)練習(xí)單項(xiàng)選擇。1、Both his parents look sad . Maybe they _whats happened to him .（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

16、you met Mr Li _?. just . ago .before . a moment ago4、The famous writer _ one new book in 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 _

17、already _ at this school for two years . was ; studying . will ; study. has ; studied . are ; 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 Uni

18、ted States . Really ? When _ there ?. will they go . did they go. do they go . have they 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 years 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.