英语语法-时态-现在完成时.ppt
,Daniel,现在完成时,2009 Senior I,Time:Nov.27th Friday the 4th classPlace:Class 18,Senior ILecturer:Zou qingqianMaterial:Present perfect tense,Welcome,Daniel,现在完成时,2009 Senior I,The past is history，The future is unknown，Only now is a precious gift，So now is called present.,Time consists of(is made up of)three periods,that is,Past,Present and Future.,Daniel,现在完成时,2009 Senior I,过去,1.一般过去时2.过去进行时3.过去完成时4.过去将来时5.过去完成进行时,现在,1.一般现在时2.现在进行时3.现在完成时4.现在完成进行时,将来,1.一般将来时2.将来进行时3.将来完成时,Daniel,现在完成时,2009 Senior I,现在完成时I.Formation:have（has）+过去分词(done),注意特殊动词的过去分词,Daniel,现在完成时,2009 Senior I,II：Usage:1。表示过去发生的某一动作对现在造成 的影响或结果,例如 I have just cleaned my hands.我刚洗过手。（“洗手”是发生在过去的动作，对现在造成的结果是“手干净了”）I have just had my breakfast.(对现在的影响：不饿),Daniel,现在完成时,2009 Senior I,2。表示过去已经开始，持续到现在的动作 或状态，也可以表示可能继续下去 的动作 或状态。通常和 for（段时间）,since（点时间）引导的时间状语连用.以及 so far,by now,these days,in the last/past ten years 等连用。I have lived here for over ten years.He has studied here since 2006.,Daniel,现在完成时,2009 Senior I,III：Tips,which you should pay attention to when learning the tense.,Daniel,现在完成时,2009 Senior I,He _ football regularly for many years when he was young.（2008天津卷）A.was playing B.played C.has played D.had played2.-You speak very good French!Thanks.I _ French in Sichuan University for four years.（2009四川卷)A.studied B.study C.was studying D.had studied*注意点一：句中有时间的段未必要用现在完成时.,B,A,Daniel,现在完成时,2009 Senior I,Right or Wrong？He has left home.He has left home for 20 days.I have bought the car for three years.I have received his letter for a month.I havent received his letter for a month.*注意点二:终止性动词有完成时,但不能带时间 的段.非延续性动词的否定形式可以与表示延续时间的状语连用。,（）,（）,（）,（）,（）,Daniel,现在完成时,2009 Senior I,How to solve the problem？状态可以延续 a.这部车我买了三年了.b.他离家两个星期了.c.他入伍六年了.I have had the car for three years.b.He has been away from home for two weeks.c.He has been a soldier(in army)for six years.,Daniel,现在完成时,2009 Senior I,2.用句型:It is+时间的段+since从句(从句中的谓语动词是终止性动词)a.这部车我买了三年了.b.他离家两个星期了.c.他入伍六年了.a.It is three years since I bought the car.b.It is two weeks since he left home.c.It is six years since he joined the army.,Daniel,现在完成时,2009 Senior I,Edward,you play so well.But I _ youplayed the piano.(2009全国I)A.didnt know B.hadnt knownC.dont know D.havent known,A,Daniel,现在完成时,2009 Senior I,-Where _ the recorder?I cant see it anywhere.-I _ it right here.But now its gone.have you put,put had you put,putC.did you put,have put D.were you putting,have put,A,*注意点三:一般过去时和现在完成时的区别 现在完成时强调过去的动作对现在的影响,跟现在有联系.一般过去时只表示过去的动作或状态.,Daniel,现在完成时,2009 Senior I,A:Have you seen the film?B:Yes,I have.A:When did you see it?B:I saw it last year.,Make a dialogue with your partner like this.,So far this year we _ a fall in house prices by between 5 and 10 percent.（2008福建卷）A.saw B.see C.had seen D.have seen,D,2.-What is the price of petrol these days-Oh,it _ sharply since last month.(09江西卷)A.is raised B.has risen C.has arisen D.is increased3.I like these English songs and they _many times on the radio.（2008安徽卷）A.taught B.have taught C.are taught D.have been taught,B,D,4.The population of Jiangsu _ to more than twice what it was in 1949.The figure is now approaching 74 million.(09江苏卷)A.has grown B.have grown C.grew D.are growing5.In recent years many football clubs _ as business to make a profit.(2008年上海卷)A.have run B.have been run C.had been run D.will run,A,B,Have you grasped(understood)the usage of present perfect tense?,Homework:Exercise on page 8,Thank you,
