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,Presentperfecttense,现在完成时态,Presentperfecttense现在完成时态,1,一、,现在完成时谓语动词的构成：,助动词have/has(not)+V-ed（过去分词）,I_(finish)thecompositionalready.,He_(learn)Englishforthreeyears.,We/You/They.,She.,havefinished,haslearned,一、现在完成时谓语动词的构成：助动词have/has(no,2,现在完成时态的含义是表示过去发生的或已完成的动作对现在造成的影响或结果。特点是既涉及过去，又联系现在：动作是过去发生的，结果是现在存在的。,Shehasgone.(,她走了。,),从这句话中动词所用的现在完成时态可以看出“走”的动作是过去发生的，而对现在所造成的结果是她不在这里了。,现在完成时态的含义是表示过去发生的或已完成的动作对现在造成,3,HespeaksFrenchsofluently.HelearneditinParis.Hewastherefortwoyears.,HehasstudiedFrench.,(,他学过法语。,),这句话所说明的结果是他现在懂法语。,Look!Theblackboardissocleannow.,Hehascleanedtheblackboard.,(,他已经擦过黑板了。,),这句话所表示的结果是黑板现在是干净的。,HespeaksFrenchsofluently.Helea,4,这种用法常与already,just,yet,ever,never,before(句末)等连用.,I_(do)myhomeworkalready.,He_(notfinished)hishomeworkyet.,_youever_(be)toBeijing?,We_never_(see)suchanexcitingmatchbefore.,Mother_just_(clean)thehouse.Pleasedontcomein.,They_(practice)thisdialoguetwice.,havedone,hasnotfinished,Have,been,have,seen,has,cleaned,havepracticed,这种用法常与already,just,yet,ever,ne,5,注意：当在肯定陈述句中含有,already,或,just,时，在转换成否定句或疑问句时，要把句中的,already,或,just,去掉，在句末加上,yet.,Ihaventseenthefilmyet.,Ihavedonemyhomeworkalready.,Ihaventdonemyhomeworkyet.,Motherhasjustcleanedthehouse.,Motherhasntcleanedthehouseyet.,Ihaveseenthefilmalready.,注意：当在肯定陈述句中含有already或just时，在转换,6,用法2：表示动作或状态从过去开始一直延续到现在甚至将来,Mike,borrowed,thebookstwodaysago.,Mike,haskept,thebooksfortwodays.,用法2：表示动作或状态从过去开始一直延续到现在甚至将来Mik,7,切记有些动词是非延续的，在此用法中要换成其相对应的延续性动词：,buyborrow,openclose,leavedie,joinbegin,-have-keep,-beopen-beclosed,-beaway-bedead,-beamemberof-beon,get/come/arrivegetup-,finishwake-,fallill-become,catchacold-,beinbeup,beoverbeawake,beillbe,haveacold,切记有些动词是非延续的，在此用法中要换成其相对应的延续性动词,8,电影已开始十分钟了,.,这工厂开业一年了,.,他参军有,3,年了。,这辆车你买了多久了。,Jim,离开家乡年了,他们到北京有两天了,Thefilm_for10minutes.,Thefactoryhas_foroneyear.,He_thearmysince3yearsago.,Howlonghaveyou_thecar?,Jimhas_hishometownfor10years.,Hehas_inBeijingsince_.,电影已开始十分钟了.Thefilm_,9,标志词：for+一段时间,since+过去的时间点,theseyears,sofar,inthepast/lastyears,We_(learn)Englishforthreeyears/sincetwoyearsago/since2000.,Mr.Green_(be)inChinatheseyears.,They_(write)15songssofar.,Thepopulation_(grow)moreslowlyinthepasttenyears.,havelearned,hasbeen,havewritten,hasgrown,标志词：for+一段时间,since+过去的时间点,thes,10,have/hasgonetohave/hasbeeninhave/hasbeento,1.A:WheresJim,LiLei?,B:He_hisschoollibrary.,2.TheGreens_Chinaforthreeyears.,We_theGreatWalltwice.Itsverybeautiful.,hasgoneto,havebeenin,havebeento,B,A,A,B,B,stay,A,have/hasgonetohave/hasbeenin,11,她以前曾去过上海。,ShehasbeentoShanghaibefore.,他在上海,10,年了。,ShehasbeeninShanghaifortenyears,他去上海了。,HehasgonetoShanghai.,她以前曾去过上海。ShehasbeentoShanghaib,12,现在完成时和一般过去时的区别：,现在完成时，强调这一动作产生的结果对现在的影响，与现在有关。一般过去时，仅仅表示在过去某一时刻曾发生过这一动作，与现在无关。,他已学英语五年了。,HehasstudiedEnglishforfiveyears.,他曾学过五年英语。,HestudiedEnglishforfiveyears.,（说明他还继续学下去）,（只说明他过去学过五年英语，但现在不学了。）,现在完成时和一般过去时的区别：现在完成时，强调这一动作产生的,13,一般过去时与现在完成时有一些明显的时间状语。,遇到,yesterday,Lastyear,inMay,in+,过去某一年，,twodaysago,theotherday,justnow,等就用一般过去时,当有,sofar,inthepast/lastfewdays(,在过去,/,最近的几年里,),，,since,接过去时间状语或过去时的句子,等常用现在完成时,一般过去时与现在完成时有一些明显的时间状语。遇到yester,14,现在完成时和一般过去时,He_(work)inourschool,foroneyear.,He_(come)toourschoollast,year/in2002.,They_(cook)the,supperalready.,They_(cook)thesupper,halfanhourago.,hasworked,came,havecooked,cooked,现在完成时和一般过去时He_(work,15,写出下列动词的过去分词1.have_2.see_3.eat_4.change_5.know_6.live_7.turn_8.become_9.move_,10.be_11.make_12.give_用for,since填空：,Wehavebeenfriends_wewereseven,yearsold.,2.IhaveknownDaniel_sevenyears.,3.WehavelearnedEnglish_morethanone,year.,4.TheGreenfamilyhavelivedinthisstreet_,1995.,5.Mr.Wanghastaughtinthisschool_ten,years.,写出下列动词的过去分词1.have_2.se,16,Chinahas_theWTOforsomeyears.,A.takenpartinB.joined,C.beenamemberofD.entered,2.Whendidyou_thenewmotor-bike?,-Well,I_itforhalfamonth.,A.have,haveboughtB.buy,havehad,C.buy,haveboughtD.have,havehad,3.I_toCanadatwice.Itssobeautiful.,A.wontgoB.havegone,C.dontgoD.havebeen,4.Whereisyoufather?,-He_toAustraliaonbusiness.,A.hasbeenB.hasgoneC.wentD.willgo,5.Youareleavingyouschool.Howdoyoulikeit?,-Verymuch,ofcourse,I_thisschool,sinceImovedhere.,A.cametoB.havegoneto,C.havebeenatD.havebeento,Chinahas_theWTOforsomeyear,17,用所给动词的适当形式填空：,1,.Look!Thechildren_(plant)flowersinthegarden.,2.I_(know)theplaceformanyyears.3.Whereismypen?Howstrange!It_(be)herejustamomentago.4.He_(give)thebookbacktoyouifhe_(finish)readingittomorrow.5.MrDongoften_(meet)upwithhisfriendsinthenewpark.6.Howlong_you_(live)inNanjingsinceyouwere_(bear)?7.Theyonly_(meet)once.Buttheywere_(like)oldfriends.8.Tomwithhisfamily_(live)inNanjingnow,butthey_(move)toAmericasoon.9.Theyoftenmeetontheplayground_(play)football.,areplanting,haveknown,was,willgive,finishes,meets,havelived,born,meet,like,isliving,willmove,toplay,用所给动词的适当形式填空：areplantinghavekn,18,Bye-bye!,Bye-bye!,19,
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