现在完成时课件.ppt

Ivehadthisbikeforthreeyears.,义务教育教科书（人教）八年级英语下册,Unit10,Period2,SectionA(3a-4c),表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的一段时间状语”连用，如“for+时间段”、“since+过去时间点”、“since+过去时的从句”、“since+一段时间+ago”。且for与since引导的时间状语可以相互转换。,PresentPerfectTense,现在完成时,e.g.Myunclehasworkedatthisfactoryfortenyears.=Myunclehasworkedatthisfactorysincetenyearago.Ivelivedheresince1990自从1990年以来我就住在这里。Ihaventseenhimforthreeyears.我三年没有看见他了。,含有for，since的现在完成时的用法歌诀:过去的动作或状态，一直持续到现在，for、since把时间带。,歌诀,Shesbeenatthisschoolsincefiveyearsago.自从五年前以来她就在这个学校。,此种用法中表示持续性的动作或状态的动词必须是延续性动词(否定句除外)。1.这本书我买了5年了。Ihaveboughtthebookforfiveyears.()Ivehadthebookforfiveyears.(),句中动词的特点,2.你哥哥参军多长时间了？Howlonghasyourbrotherjoinedthearmy?()Howlonghasyourbrotherbeeninthearmy/beenasoldier?(),1.转换为相应的延续性动词，用于现在完成时。borrowkeepbuyhaveputonwearcatchacoldhaveacoldgettoknowknowgettosleepsleep,非延续性动词和延续性动词之间的转换,2.转化为“be+形容词/副词/介词/名词”begin/startbeongooutbeoutclosebeclosedopenbeopengetto/arrive/reachbe(in)diebedeadleavebeaway,finishbeoverfallsleepbeasleepjoinbein/beamemberofbecomebemakefriendsbefriendscome/go/be+相应的介词短语,1.She_thisbookfornearlythreeweeks.A.hasborrowedB.haslentC.hasboughtD.haskept2.Tenyearshaspassed_theCCTVeventPeopleWhoMovedChinatookplacein2002.A.whenB.whileC.beforeD.since,Exercises,1Ifitwillraintomorrow,wewontholdthesportsmeeting.2Ihaveboughtthedictionaryhalfayearago.3Hisgrandpahasdiedfortowyears.4Peterwontgotoseethefilmbecausehelosthisticket.5WhereisTom?HehasbeentoGuangzhou.,rains,beendead,haslost,gone,、选择填空根据题意,选择最佳选项。()26.I_noreplyfromheryet.A.haveB.havehadC.had()27._haveyoubeeninFrance?Fortwoyears.A.HowsoonB.HowoftenC.Howlong()28.HaveyouevereatenChinesefood?Yes,butIve_triedsuchadeliciousdish.A.neverB.everC.yet()29.Thefilmhas_forabouttenminutes.A.beenonB.finishedC.begun,B,C,A,A,()30._you,Iwassavedfromdrowning.Amillion_yourhelp.A.Thanksfor;thankstoB.Thanksto;thanksforC.Thank;thanks()31.Youdbetter_thedrawersofyourdesk.Theyarefullofoldpaper.A.giveoutB.selloutC.cleanout()32.Iam_busytoday.Ihave_worktodo.A.toomuch;toomuchB.toomuch;muchtooC.muchtoo;toomuch()33.Inourschooltherearetwo_teachers.Onethirdoftheteachersarewomen.A.hundredsB.hundredC.hundredsof()34.Ifyouwanttoseethesunrise,watchthe_skyinthemorning.A.easternB.southernC.western,B,C,C,B,A,()35.I_travelingalonearoundChina.usedtoB.prefertoC.lookforwardto()36.Imsorry,MissZhang.Ileftmyhomeworkathome._Dontforgettobringittomorrow.A.Imsorrytohearthat.B.Itdoesntmatter.C.Yourewelcome.()37.Youhavetocleantheblackboardtoday.No,itsyour_todoittoday.stepB.turnC.purpose()38.Youhavehandedinyourhomework,_?A.mustntyouB.haventyouC.didntyou,C,B,B,B,Ihavealreadycleanedtheclassroom.我已经打扫过教室了。Motherhaswateredtheflowers.妈妈已浇过花了Ihaveneverheardofhimbefore.我以前从未听说过他。Thewatchhasntworkedforthreedays.这块表已经3天没走了Mybrotherhasjustreturnedthebooktothelibrary.我弟弟刚刚把那本书还给了图书馆Hasnthearrivedyet?Notyet.他还没到吗?_还没呢.,1.Ihaveboughtabook.Ihave_thisbookfor3weeks.2.Iborrowedthisbookthreedaysago.Ihave_thisbookforthreedays.3.Jimlefttwohoursago.Jimhas_fortwodays.4.HejoinedtheArmylastyear.Hehas_fortwoyears.,3）某些非延续性动词现在完成时在否定结构中可与since,for短语连用。,Ihaventboughtanythingforayear.,had,kept,beenaway,beenintheArmy,注意,1.我已在这儿2年半了。I-fortwoandahalfyears.2.自从1989来，他搜集了300张邮票。He-300stampssince1989.3妈妈刚刚离开3分钟。Mymother-for3minutes.4这本书你已借过多长时间了。Howlonghaveyou-thebook?,havebeenhere,hascollected,hasjustbeenaway,kept,5这台电脑他刚刚买5天。,6Tom自从8岁来，就没来过这。Tom-sincehewaseightyearsold.7Mary在北京7年整了。Mary-Beijingfor7years.8他们自从1996年来就住在这They-heresince1996.。,Hehasjust-thecomputerfor5days.,had,hasntcomehere,hasbeenin,havelived,我在这两小时了,Ihave_fortwohours.,他已在北京三年了。,Hehas_BeiJingforthreeyears.,我父亲去日本三周了。,Myfatherhas_Japanfor3weeks.,beenhere,beenin,beenin,-Hi,Tracy,youlooktired.-Iamtired.I_thelivingroomallday.A.paintedB.hadpaintedC.havebeenpaintingD.havepaint