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Unit10I’vehadthisbikeforthreeyears.TheSecondPeriodSectionA3a-GrammarFocus1.现在完成时表示动作或状态在过去已经开始，持续到现在可能还要持续下去，

常和for,since引导的表示一段时间的时间状语连用，谓语动词多用延续性动词。如：live,teach,learn,work,study,beopen,beclosed,keep,have,beaway,bemarried,be

asleep,beill等。如：Ihaveworkedheresince2002.自从2002年以来我就在这儿工作。TheyhavelearnedEnglishforthreeyears.他们学英语3年了。注意：1）since+

点时间，for+段时间，如：sincelastweek,fortwodays。2.短暂性动词(come,go,leave,buy…)可以用于现在完成时。但不能用于带有for或是since的肯定句中。HehasleftBeij

ingforaweek.HehasnotleftBeijingyet.(×)(√)3.短暂性动词变为延续性动词的现在完成时构成举例：buyhave/hashadborrowhave/haskeptarrive/reach/getto--have

/hasbeenin/atleavehave/hasbeenawayopenhave/hasbeenopenjoinhave/hasbeeninhave/hasbeenamemberofdiehave/hasbeendeadmarryh

ave/hasbeenmarriedcome/gohave/hasbeenin/atbegin/starthave/hasbeenonfinish/stophave/hasbeenoverfallasleepha

ve/hasbeenasleepgetuphave/hasbeenupbecomehave/hasbeenTheoldmandiedtwoyearsago.这个老人两年前死了。Theoldmanhasbeendeadfo

rtwoyears.这个老人死了两年了。Heboughtacarfiveyearsago.他五年前买了一辆轿车。Hehashadthecarforfiveyears.这辆轿车他买了五年了。LeadinT:Whatarethepeopledoinginthepictu

re?S:Theyareshopping.T:Wherearetheyshopping?S:Theyareatayardsale.Readthearticlewrittenbyafatherforanewspaper.Whatishisfamilygoingtosellattheyardsa

le?FirstreadingTheyaregoingtoselloldtoysandfootballshirts.3a1.Whydidtheydecidetohaveayardsale?2.Whatdotheywanttodo

withthemoneyfromthesale?3.Whydoesthesonwanttokeephistrainandrailwayset?SecondreadingBecausetheyhavetoomanyth

ingsinthehouseanddon’tseemtohaveenoughspace.Theywanttogivethemoneytoachildren’shome.Becausehehashaditsincehi

sfourthbirthdayandheplayedwithitalmosteveryweekuntilhewasaboutseven.Readthearticleagainandanswerthequest

ions.3b4.Howcantheoldtoysbeusefulagain?5.Haveyoueverthoughtabouthavingayardsaletosellyourthings?Whatwouldyou

dowiththemoneyyouraise?(Answerswillvary.)Possibleanswersinclude:togivetheoldtoysawaytothekidswhoneedth

em.(Answerswillvary.)lose—_______kids—__________truthful—_____many—_______sometime—eventhough—__________q

uickly—__________older—__________partwithPost-readingFindthewordsorphrasesinthearticlewhichcanbereplacedwiththeonesbelowandwritethemnexttothewords.

honestfastgrowingupalthoughalotofchildren3cawhileRewritethesentencesusingfororsince.4a1.JimisinJapan.Hearrivedtherethreedaysago.__________________

_________________________2.Theyareveryhungry.Theirlastmealwastenhoursago._______________________________________________3.Ihaveacamera.Iboughtit

in2009.______________________________________________4.IknowAnna.Ifirstmetherthreeyearsago.______________________________________________5.Lindaisil

l.ShebecameillonMonday.________________________________________________JimhasbeeninJapanforthreedays.Theyhavenoteatenfortenhours.Ihaveha

dacamerasince2009.IhaveknownAnnaforthreeyears.LindahasbeenillsinceMonday.Fillintheblankswiththecorrectformsoft

heverbsinbrackets.4b1.I______________(neverbe)tothewaterparkbefore.Iwantto_____(go)nextmonthbeforetheweathergetstoocold.2.They____

_____________(neverown)anypets,butthey__________________(alwayswant)tohaveadog.3.We_____________(have)apianosincelastNovember.We_

_________(buy)itfromtheLifamilywhentheymovedtotheUSlastyear.haveneverbeengohaveneverownedhavealwayswantedhavehad

bought4.CathyandAmy___________(notbe)backtotheirhometownfortwoyears.They______(miss)theirhometownalotandhopetovisittheplacenextyear.5.Thism

useum__________(be)hereforover20years.It_____oneoftheoldestbuildingsinthissmalltown.haven’tbeenmisshasbeenis1.Readthearticleagainafterclass.Writedown

anyusefulwords/phrasesandtrytomakesentenceswiththem.2.Learntousethepresentperfecttense.Writeasimpledialogueincludingtwosenten

cesinthepresentperfecttense.