1、Unit 5 现在完成时（一）现在完成时的用法一、表示现在提起已经发生的动作。在对话之前已经发生的动作，由于要对动作的结果进行讨论，因此现在提起。也就是说,动作或状态发生在过去但它的影响现在还存在。 通常和副词never, ever, just, already, yet等连用。I / You / We / Theyhave madea lot of new friendshave not madeHave I / you / we / theymade a lot of new friends?Yes,you / I / we / theyhave.No,have not.He / She
2、/ Ithas madea lot of new friends.has not madeHashe / she / itmade a lot of new friends?Yes,he / she / ithas.No,has not.形式是：have/has（已经）+ done（动词的过去分词）例句：Sarah has already seen many places of interest in Beijing.Have you seen the Great Wall yet?No, I have not seen the Great Wall yet.Have you ever vis
3、ited the Summer Palace?No, I have never visited the Summer Palace.二、表示过去已经发生的动作持续到现在。在对话之前已经发生的动作，持续到现在才进行讨论。常和时间状语before, recently, once, twice, for, since, yet, so far, up to now, many times等连用。例句：I have known him before.I have been to Japan once.I have been to Beijing for many times.I have lived
4、in Shenzhen for 10 years.I have studied since 2004.I have finished half homework so far / up to now.现在完成时的结构肯定句主语+ have/has+过去分词(done)+其他.He has just copied all the new words. Weve just cleaned the classroom.否定句主语+have/has +not+过去分词+其他.I havent finished my homework yet.She hasnt travelled on a train
5、. 一般疑问句Have/Has+主语+过去分词+其他？肯定回答：Yes, 主语 + have/has. 否定回答：No, 主语 + havent/hasnt.No, not yet./No , never.-Have you ever made dumplings? -Yes, I have. / No, I havent.-Has she ever been abroad?-No, never. 特殊疑问句特殊疑问词+have/has+主语+过去分词+其他？-How long have you lived in Beijing?-I have lived in Beijing for ten
6、 years.【注：动词的过去分词构成规则】规则变化 大部分动词在词尾直接加-edclean cleaned help helped 以不发音的e结尾的，直接加-dlike liked live lived 以辅音字母+y结尾的单词，变y为i再加edtry tried study studied 重读闭音节词尾只有一个辅音字母的，需要双写最后这个辅音字母再加-ed.plan planne stop stopped【即学即练】1. 写出下列单词的过去分词形式work _ finish _ arrive_change_ see_ have_marry_ visit_ miss_meet_ be _
7、2.Its nice to see you again. We each other since 2014.A. wont seeB. dont seeC. havent seenD. didnt see3. -_ you ever _ Han Hong sing live ? -Of course. A couple of times in different cities. A. Have, seen B. Did, see C. Do, see D. Are, seeing【参考答案】1. worked; finished; arrived; changed; seen; had; ma
8、rried; visited; missed; met; been2-3 CA综合练习1. Shared bikes _ quite popular among big cities in China since last April. A. becameB. have beenC. will becomeD. becomes2. - Have you heard from him_？- Yes, Ive_heard from him. A. yet, alreadyB. already, yetC. yet, ever3. In the past few years , great chan
9、ges _ in Sichuan. A. take place B. took placeC. have been taken place D. have taken place4. John, have you _ the book I lent you?A. bringB. broughtC. bringsD. bringing5. John _ in Shanghai since he left his hometown. A. livesB. livedC. has livedD. will live6. Ken went to Canada five years ago and _
10、a Chinese teacher for adults since then. A. has beenB. has becomeC. wasD. became7. My life _a lot in the last five years. A. have changedB. has changedC. changedD. will change8. The student _ his homework at home again. That makes Mr. Wu very angry. A. has forgottenB. forgotC. has leftD. left9. - Lo
11、ok! Someone _ the book self back to the corner. - Well, it wasnt me. I didnt do it.A. is moving B. was movingC. has moved10. - How long_you _Beijing?- For about nine years. A. have, arrived inB. have, taught inC. have, got toD. did, reach11. We _in the same school since three years ago. A. are study
12、ingB. have studiedC. will studyD. study12. He_English for 5years. Now he can speak English very well. A. studiedB. has studiedC. studyD. studies13. The professor reached Nanjing last Wednesday. He there for 10 days. A. has beenB. has gotC. has reachedD. has arrived14. - Why dont you go to the movie
13、with me, Linda?- Because I it twice. A. seeB. sawC. will seeD. have seen15. Diana can t go to the farm with her classmates because she a bad cold. A. will catchB. is catchingC. has caughtD. is caught当堂练习一、单项选择( ) 1. Shanghai Disney Park will be opened on June 16th. But the tickets for the first day
14、have_sold out.A. ever B. just C. neverD. already( ) 2. - I havent watched the movie_. How about you?- Oh, I have_watched it twice.A.yet, alreadyB. already, yetC.already, alreadyD.yet, yet( ) 3. - Have you been to the Great Wall_.- No, not_.A. already, yetB. yet, already C. yet, yetD. already, alread
15、y( ) 4. - Has your sister finished reading _?- Yes. She has_finished it.A. yet, yetB. yet, alreadyC. already, yet( ) 5. I have_finished my homework. I finished it an hour ago.A. yet B. already C. everD. never( ) 6. - Who will teach_oral English next term?Can it be a new teacher?- Perhaps.But our hea
16、d teacher hasnt told us_.A. your, alreadyB. you, yetC. you, alreadyD. your, yet( ) 7. - What a nice dress! How long _ you _ it？- Only 2 weeks. A. willbuy B. didbuyC. are havingD. havehad( ) 8. - _ free lunches _ to students in all schools in China？ - No, only in the countryside. A. Are, servedB. Do,
17、 serveC. Is, served D. Have, served( ) 9. Your parents _you many things in their lifetime, but you may notrealize that until they are gone. A. give B. gave C. have given D. were given( ) 10. - Do you know the film Big Hero 6？ - Sure. I like it very much and I _ it three times since it was on. A. see
18、 B. saw C. have seen D. am seeing( ) 11. - Would you care for a cup of tea？ - I one. Thank you all the same. A. have hadB. Had C. would have D. will have( ) 12. - Lets go to see the show. - I _ it. Its very interesting. A. sawB. see C. am seeing D. have seen( ) 13. - The TV program Voice of Youth is
19、 really great. - I think so. It_the hearts of lots of fans since it started. A. lose and touch B. won and touchedC. has won and touched D. has lost and hit( ) 14. I_this dictionary yesterday. A. have bought B. bought C. have had D. buy( ) 15. School violence_much attention of the whole society and p
20、eople are calling on the government to make laws against it as early as possible. A. drew B. will draw C. has drawn D. was drawing二、根据句意用since或for填空，使句子意思完整、通顺。根据句意用since或for填空,使句子意思完整、通顺。1. I have lived in Shenzhen_ten years ago.2. My father has worked in Guangzhou_twenty years.3. His cousin has be
21、en in Ireland_Monday.4. Alice has been in Shenyang_three weeks.5. Mr Brown has lived in Canada_over three years.6. David is in his office.He has been there_8 oclock.7. We have studied English_more than five years.8. The bus has been away_over twenty minutes.9. Those houses have been empty_last year.
22、10. His grandfather has been ill in hospital_four days.三、根据句意用所给动词的正确形式填空。1.Mr Smith_(taste) many kinds of Chinese food.2.My friend Brian_(live) in Guangzhou for three years.3.Tony_(finish) all his work.Look! He is relaxing himself.4.We_(plant) all the trees already.四、按要求完成句子，每空限填一词。1.Tony came here
23、 ten minutes ago. (变成同义句)Tony_ _ _for ten minutes.2.They have seen the film already. (改为否定句)They_ _ seen the film_.3.My cousin bought a new bike last week. (改为同义句)My cousin has_ a new bike_ last week.4.Susan has been a volunteer in the hospital for three years. (对画线部分提问)_ _has Susan been a volunteer
24、 in the hospital?课后巩固一、选择题。1. Jack is my classmate. We _ each other since he came to our school.A. knew B. have knownC. will know2. - Why not go to see the dolphin show with me?- Because I _ it. A. sawB. will seeC. seeD. have seen3. - Is Miss Green in the office?- No, she _to the library. A. goesB.
25、wentC. has beenD. has gone4. Betty _ several celebrities (名人) since she worked in this broadcast station. A. is interviewingB. had interviewedC. interviewedD. has interviewed5. Steve in our school since he came to Beijing. A. worksB. workedC. has workedD. will work6. - _ you _ your silk scarf yet? -
26、 No. I think I have to buy a new one today. A. Did, findB. Have, foundC. Are, findingD. Had, found7. Mary Chinese since she moved to China with her parents. A. learnsB. learnedC. is learningD. has learned8. Sarah _many places of interest in Beijing already. A. visitedB. has visitedC. will visitD. vi
27、sits9. The number of students in our school _ by over 20percent in the last three years. A. is fallenB. has fallenC. have fallen10. Mr. Smith _ in our school for three years. A. will workB. has workedC. worksD. worked11. - Is Richard still living here?- No, he_ to London already. A. movesB. movedC.
28、will moveD. has moved12. Tim and Bob _ us a lot of beautiful photos since they arrived in London. A. sendB. sentC. have sentD. are sending13. - Lisa, were leaving in five minutes. Are you ready?- No, I _my jeans and raincoat yet. A. dont pockB. didnt packC. havent pack. 14. - Where is Alice? The fil
29、m will begin soon. - Dont worry. I _ her and she is already on the way. A. callB. will callC. have calledD. was calling15. - Lucy, is your uncle a teacher?- Yes, he is. He history for nearly 20 years. A. teachesB. has taughtC. is teachingD. will teach参考答案综合练习1-5 BADBC 6-10 ABCCB11-15 BBADC当堂练习一、1-5 DACBB 6-10 BDDCC11-15 ADCBC二、1.since 2.for 3.since 4.for 5.for 6.since 7.for 8.for 9.since 10.for三、1.has tasted 2. has lived 3.has finished 4. have planted四、1.has been there 2.have, not, yet 3.had, since 4.How long课后巩固1-5 BDDDC 6-10 BDBBB 11-15 DCCCB
