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1、现在完成时A.表示过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。【常用时间状语】recently, lately, since+时间点,for+数字+时间名词,in thepast few months/years 等【构成】肯定形式:have/has + done否认形式: have/has + not +done一般疑问句:have或has放于句首B.现在完成时的用法1)现在完成时所表示的动作在说话之前已完成,而对现在有影响。eg. The car has arrived.车子来了。(结果:车子已在门口)Someone has broken th
2、e window.有人把窗户打破了。(结果:窗户仍破着)区另!) : have been to, have gone to, have been inhave been to,表示去过某个地方,不过现在已经回来了have gone to表示去了,但还没有回来,也许是在去的途中have been in指的是在某个地方,从过去一直延续到现在例如:你以前去过北京么? 例如:A: Is Mr.Wang at home?(他去香港了)B: No,he is not in,(他去香港了)2)现在完成时所表示的动作开始于过去,持续到现在,也许还会持续下去。常用 for 和 since 表示一段时间的状语或
3、so far, now, today, this week (month, year)等表示包括现在时间在内的状语。eg. He has studied English for 5 years. He has studied English since 2001. Now I have finished the work.注意:表示短暂时间动作的词,如:come, go, die, marry, buy等的完成时不能与for, since等表示一段时间的词连用。用来持续的动作或状态或表过去重复的动作,如live, study, be, wait等,常和since (自从)或for (经历)引导
4、 的词语连用。如:I have lived here for more than thirty years.我已在此住了 30 多年。由非延续性动词到延续性动词的转换:arrive 玲be here begin(start)-be on die fbe dead come back 玲be back leave 玲be away fall illfsick, asleep)玲be ill(sick, asleep) get up 玲be up go out farrive 玲be here begin(start)-be on die fbe dead come back 玲be back l
5、eave 玲be away fall illfsick, asleep)玲be ill(sick, asleep) get up 玲be up go out fbe out finish -be overbuy fhavecatch(a cold) have(a cold)get to know 玲know begin to study 玲study come to work 玲workclose 玲be closedgo to school 玲be a student borrow 玲keep一、典型例题( )l.When he arrived at the bus stop, the bu
6、s for 20 minutes.A. has left B. had left C. has been away D. had been away( )2.1 the League for 5 years so far.A. joined B. have joined C. have been in( )3.The factory since the February of 1988.A . has been open B. has opened C. was openD.opened( )4.Mary and Rose friends since they met in 2000.A. h
7、ave made B. have been C. madeD. havebecome( )5.You mustiYt until he comes back.A. be away B. leave C. be left( )6.The meeting for a week now.A. has finished B. has ended C. has been over()7.Miss Gao this school for nearly 5 years.A. has been in B. has come to C. has taught()8.Ben a teacher for 4 yea
8、rs.A. has been B. has become C. was D. became()9.1 home for a week.A. have returned B. have been back C. returned()10. How long he?A. diedB. has, diedC. has, been dead( )11. He at eight yesterday afternoon.D.A. sleptB. was sleeping C. has sleephad sleptD.( )12.Hethe car for a week.A. bought B. has b
9、ought C. has had( )13.-How long you ill ?-Two weeks.A. did fall B. have, fellC. have, been()14.Since 2000, he his hometown.A. has left B. has moved away C. has been away from( )15.111 lend you the book, but you can only it for 2 days.A. borrow B. keepC. take二、课后练习( )1、 Both his parents look sad. May
10、be they whafs happenedto him.A. knewB. have known C. must knowD. will know( )2、He has been to Shanghai, has he ?A. already B. neverC. everD. still()3、Have you met Mr Li?A. just B. agoC. beforeD. amoment ago( )4、The famous writer one new book in the past two year.A. is writing B. was writing C. wrote
11、D. haswritten( )5、Our country a lot so far. Yes. I hope it will be evenA. has changed; well B. changed; good C. has changed; better D. changed; better()6、 Zhao Lan already in this school for two years .A. was; studying B. will; study C. has; studied D. are; studying( )7、We Xiao Li since she was a li
12、ttle girl.A. know B. had known C. have known D. knew()8、 Harry Potter is a very nice film. I it twice.A. will see B. have seen C. sawD. see( )9、 These farmers have been to the United States .Really? When there?A. will they go B. did they go C. do they go D. have they gone( )10 you your homework yet?
13、Yes. I it amoment ago.A.Did; do; finishedB.Have; done; finishedC.Have; done; have finishedD.will; do; finish()11 His father the club since 1988.A. joined B. has joined C. was inD. hasbeen in()12 Do you know her well?Sure .We friends since ten years ago.A. were B. have been C. have become D. have mad
14、e( )13、How long have you here? About seven years.A. been B. goneC. comeD. arrived( )14 Hurry up! The program for five minutes .A. has begun B. had begun C. has been on D. began( )15 It ten years since he came Chengdu.A. isB. hasC. willD. was()16、 Miss Green isnt in the office. She to the library.A. has gone B. wentC. will goD. hasbeen( )17 My parents Shandong for ten years .A. have been in B. have been to C. have gone to D. have been()18、 He for 2 hours.A. got upB. has got upC. has been up( )19、 Tom is ill in hospital. He a cold for several days
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