U6grammar现在完成时

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1、choosesent left leftbreakleavegivefeelkeepfallgetfindsent broke brokensentsentsentsentsentsentsentsentsentsentbuymakehearchose chosenfell fallenfelt felt got gotfound foundgave givenheard heardbought boughtmade madekept keptsendsent said saidseesayswimspeakwritesleepspendstandsent saw seensentsentse

2、ntsentsentsentsentsentsentsenttellteachtake sent sentslept slept spoke spoken spent spentstood stoodswam swumtook taken told toldtaught taughtwrote written现在完成时现在完成时 StructureUsageTime phrasesTemporary VS Continuous verbshave been VS have gone I have learnt to use chopsticks.She has learnt a bit of

3、tai chi.We have learnt a lot about Chinese culture.It has been a fantastic experience so far.We have tried to paint pictures ourselves.They have made many new friends.+have has+主语主语+have/has+done(过去分词过去分词)The Present Perfect Tense(现在完成时现在完成时)nowfuturepastI often do my homework at night.I am doing my

4、 homework now.I did my homework just now.I will do my homework soon.nowfuturepast 现在完成时现在完成时I have already done my homework.past now I finished my homework just now.I have finished my homework;so I can play now.强调强调过去发生的动作过去发生的动作对对现在产生现在产生的的结果或影响结果或影响 1.My father has bought many books for me.Now I h

5、ave a lot to read.2.I have finished my homewrok.Now I can give it to the teacher.3.I have seen the film.Now I dont want to see it again.What has just happened to him?He has just lost his job(失业失业).What has just happened to her?She has just got a love letter.now past I began to teach English at this

6、school two years ago.I have taught English at this school for two years.过去发生的动作一直过去发生的动作一直延续延续到现在。到现在。.How to use?2.2.动作始于过去动作始于过去,并持续到现在或还可能并持续到现在或还可能延续下去延续下去eg.I have lived in Shenzhen for ten years.He has learned English since he was five.has workedhave stayed 1.He is a doctor.He began to work wh

7、en he was 22.Now he is 26.He _ for four years.2.We went to the USA last Monday.Today is Monday.We _ in the USA since last Monday.Sam got sick two days ago.Sam has been sick for two days.Sherry got her drivers license(执照执照)in 1999.Sherry has got her drivers license since 1999.He hasnt ever been to th

8、e Red Woods.A:Have you surfed the internet(上网上网)?B:Yes,I have./No,I havent.现在完成时的结构基本的句型转换：肯定句：肯定句：We/I/You/They have done He/She/It has done否定句：否定句：We/I/You/They have not/havent done He/She/It has not/hasnt done一般疑问句：一般疑问句：Have you/we/I done?Has he/she/it done?I/You/We/They have -I ve/Youve/Weve/Th

9、eyve He/She/It has -Hes/Shes/Its have not -havent has not -hasnt I _(do)my homework already.He _(not finish)his homework yet._you ever _(be)to Hawaii?have donehas not finishedHavebeen We _ never _(see)such an exciting match before.-Have you ever been to Shanghai?-Yes,I _./No,_.Mother _ just _(clean)

10、the house.Please dont come in.haveseenhavecleanedneverhave以前；放在句末以前；放在句末justbefore刚刚刚刚;陈述句陈述句;句中句中I have just bought a novel.I have never read this kind of books before.还还；疑问句和否定句；句末；疑问句和否定句；句末alreadyyet已经；肯定句中；句中已经；肯定句中；句中 I have already read this book.I havent read this book yet.Have you had break

11、fast yet?从来不；否定句句中从来不；否定句句中evernever曾经；用于疑问句和肯定句；句中曾经；用于疑问句和肯定句；句中I have ever seen this film.Have you ever been to the USA?Is he famous?I have never heard of him.just(刚刚刚刚;句中句中)before(以前以前;句末）句末）already(已经已经;肯定句肯定句;句中句中)yet(还还;否定句和疑问句否定句和疑问句;句末句末)never(从来不从来不;否定句否定句;句中句中)ever(曾经曾经;肯定句和疑问句肯定句和疑问句;句中句

12、中)1.Have you _ been to Beijing?No _.2.I have _ finished my work.3.I have finished my work_.4.Have you finished your work_?just,before;yet,already;ever,nevereverneveralready/justyetbeforein the past/last few years(过去几年来过去几年来)so far=up to now/by now (到目前为止到目前为止)these days/recently/lately(最近最近)The Gree

13、ns have been in China since he found a job in Shenzhen.He has been to China twice.He is in the USA now.He has gone to China.He will be back tomorrow.have/has been to 曾经去曾经去过过(已返回已返回)have/has gone to 去去了了某地某地(没有回来没有回来)have/has been in 去去了了某地某地(留下留下)BAABB stay Ahave gone tohave been inhave been to1.Wh

14、ere is your father?He _ _ _ London.2.-How many times _ you _ _ Beijing?-Never.has gone to have been to3.They _ _ _ Beijing for many years.have been in I bought a new computer last year.I have already bought a new computer;so I dont need a new one.I have bought a new computer for one year.I have had a new computer for one year.returnbe onbeginfinishbe backbe opencloseopenbe overbe awayleavebe closed短暂性动词与延续性动词的转换短暂性动词与延续性动词的转换borrowbe in/a member ofjoindiekeepbe friendsput onmake friendsbe deadhavebuywear短暂性动词与延续性动词的转换短暂性动词与延续性动词的转换borrowdiekeepbe deadhavebuybeginleaveopenbe awaybe openbe on