英语人教版八年级下册Unit 10 A grammar focus-4c.ppt

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1、Unit10I'vehadthisbikeforthreeyears.SectionA3Grammarfocus–4cHowlonghaveyouhadthatbikeoverthere?I’vehaditforthreeyears.Howlonghashissonownedthetrainandrailwayset?He’sowneditsincehisfourthbirthday.Haveyoueverplayedfootball?Yes,IdidwhenIwaslittle,butIhaven’t

2、playedforawhilenow.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。现在完成时P95过去的动作或状态，一直持续到现在，for、since把时间带。1.e.g.Myunclehasworkedatthisfactoryfortenyears.=Myunclehasworkeda

3、tthisfactorysincetenyearago.2.I’ve lived heresince1990．3.I haven’t seen himforthree years.我三年没有看见他了。4.She’s been at this schoolsincefive years ago =She’s been at this schoolforfive years .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。Ihav

4、eboughtthebookforfiveyears.()I’vehadthebookforfiveyears.()×√句中动词的特点2.你哥哥参军多长时间了？Howlonghasyourbrotherjoinedthearmy?()Howlonghasyourbrotherbeeninthearmy/beenasoldier?()×√*Hisgrandmahasdiedforninemonths.XHisgrandmahasbeendeadforninemonths.Itisninemonthssin

5、cehisgrandmadied.*HehascometoBeijingfortwoyears.XHehasbeeninBeijingfortwoyears.ItistwoyearssincehecametoBeijing.1.转换为相应的延续性动词，用于现在完成时。P95borrow—keepbuy—haveputon—wearcatchacold—haveacoldgettoknow—knowgettosleep—sleep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

6、”begin/start—beongoout—beoutclose—beclosedopen—beopengetto/arrive/reach—be(in)die—bedeadleave—beawayfinish—beoverfallsleep—beasleepjoin—bein/beamemberofbecome—bemakefriends—befriendscome/go/—be+相应的介词短语转化为“be+形容词/副词/介词/名词”KittyhasleftBeijingfortwodays.Kit

7、tyleftBeijingtwodaysago.KittyhasbeenawayfromBeijingfortwodays.Kittyhasboughtherpursesincelastyear.Kittyboughtherpurseayearago.Kittyhashadherpurseforayear.√√√√Theoldmandiedtwoyearsago.这个老人两年前死了。Theoldmanhasbeendeadfortwoyears.这个老人死了两年了。Heboughtacarfiveyea

8、rsago.他五年前买了一辆轿车。Hehashadthecarforfiveyears.这辆轿车他买了五年了。1.She_______thisbookfornearlythreeweeks.A.hasborrowedB.haslentC.hasboughtD.haskept2.Tenyearshaspassed____theCCTVeventPeopleWhoMovedChinatookplacein2002.A.whenB.whileC.