八年级英语下册Unit10I’vehadthisbikeforthreeyearsSectionA3a-4c人教新目标版.ppt

SectionA3a-4c,Unit10Ivehadthisbikeforthreeyears.,1.Tolearntheusageofforandsince.2.TousetheGrammarFocussentencestocreatesimpleconversation.3.Toreviewthepresentperfecttense.4.Tolearnnewwords.,TeachingAims,3a,Readthearticlewrittenbyafatherforanewspaper.Whatishisfamilygoingtosellattheyardsale?,Mychildrenaregrowingupfast.Mydaughteris16andmyboyisalreadyinjuniorhighschool.Astheygetbigger,ourhouseseemstogetsmaller.Sowewanttosellsomeofourthingsinayardsaleandgivethemoneytoachildrenshome.Wehavealreadyclearedoutalotofthingsfromourbedrooms.Wehavedecidedtoeachsellfivethingsthatwenolongeruse.Mysonwasquitesadatfirst.Althoughhehasnotplayedwithhisoldtoysforalongtime,hestillwantedtokeep,them.Forexample,hehasownedatrainandrailwaysetsincehisfourthbirthday,andheplayedwithitalmosteveryweekuntilhewasaboutseven.Andhedidnotwanttolosehistoymonkey,either.Hesleptnexttothemonkeyeverynightwhenhewasachild.Mydaughterwasmoreunderstanding,althoughshealsofeltsadtopartwithcertaintoys.Asforme,Ididnotwanttogiveupmyfootballshirts,but,tobehonest,Ihavenotplayedforawhilenow.Iamgettingolder,too!,Son:atrainandrailwaysetthetoymonkeyDaughter:certaintoysFather:footballshirts,Whatishisfamilygoingtosellattheyardsale?,3b,Readthearticleagainandanswerthequestions.,1.Whydidtheydecidetohaveayardsale?Theydecidedtohaveayardsalebecausetheyhavetoomanythingsinthehouse.2.Whatdotheywanttodowiththemoneyfromthesale?Theywanttogivethemoneytoachildrenshome.3.Whydoesthesonwanttokeephistrainandrailwayset?Hewantstokeephistrainandrailwaysetbecausehehashaditsincehisfourthbirthdayandheplayedwithitalmosteveryweekuntilhewasaboutseven.,4.Howcantheoldtoysbeusefulagain?Oldtoyscanbringjoytochildrenwhodonthavethemoneytobuytoys.5.Haveyoueverthoughtabouthavingayardsaletosellyourthings?Whatwouldyoudowiththemoneyyouraise?Yes,Ihave.IwouldgivethemoneyIraisetomyfavoriteanimalsheltertohelptheanimalsthere.,3c,Findthewordsorphrasesinthearticlewhichcanbereplacedwiththeonesbelowandwritethemnexttothewords.,lose_kids_truthful_many_sometime_eventhough_quickly_older_,partwith,children,honest,alotof,awhile,although,fast,growingup,GrammarFocus,for和since在现在完成时中的应用,for与since都能与现在完成时连用，但区别较大：（1）for后须接“时间段”HehasstudiedEnglishforfiveyears.他学英语5年了。（2）since后须接“时间点”HehasstudiedEnglishsince1999.他从1999年开始学英语。,（3）二者可以转换for+一段时间=since+一段时间+agoHehasbeenhereforfiveweeks.=Hehasbeenheresincefiveweeksago.他到这儿已经有五个星期了。（4）since能引导时间状语从句(主句用现在完成时，从句用一般过去时)，而for则不能。HehastaughtheresincehecametoChina.自从他来到中国就在这儿教书。Wehavebeenfriendssincewemetinschool.我们从在学校见面起就成为了好朋友。,（5）现在完成时常用句型：Itis(hasbeen)+时间段+since+时间状语或从句ItisfourdayssincelastFriday.从上周五到现在已经四天了。（6）均须与延续性动词连用，也可以与非延续性动词的否定式连用。,非延续性动词和延续性动词的转换,leavebeawaygetupbeupcomeherebehereborrowkeepjoinbeon+组织机构/beamember组织机构,gotherebetherebecomebecomebackbebackfallasleepbeasleepbuyhavebegin/startbeondiebedeadfallillbeillfinishbeoveropensthkeepsthopen,4a,Rewritethesentencesusingfororsince.,1.JimisinJapan.Hearrivedtherethreedaysago.2.Theyareveryhungry.Theirlastmealwastenhoursago.3.Ihaveacamera.Iboughtitin2009.,JimhasbeeninJapanforthreedays.,Theyhavenothadmealfortenhours.,Ihavehadacamerasince2009.,4.IknowAnna.Ifirstmetherthreeyearsago.5.Lindaisill.ShebecameillonMonday.,IhaveknownAnnaforthreeyears.,LindahasbeenillsinceMonday.,4b,Fillintheblankswiththecorrectformsoftheverbsinbrackets.,1.I_(neverbe)tothewaterparkbefore.Iwantto_(go)nextmonthbeforetheweathergetstoocold.2.They_(neverown)anypets,butthey_(alwayswant)tohaveadog.,haveneverbeen,go,haveneverowned,havealwayswanted,3.We_(have)apianosincelastNovember.We_(buy)itfromtheLifamilywhentheymovedtotheUSlastyear.4.CathyandAmy_(notbe)backtotheirhometownfortwoyears.They_(miss)theirhometownalotandhopetovisittheplacenextyear.5.Thismuseum_(be)hereforover20years.It_(be)oneoftheoldestbuildingsinthissmalltown.,havehad,bought,havenotbeen/haventbeen,miss,hasbeen,is,4c,Fillinthequestionsandasktwostudent