英语人教版八年级下册Unit 10 Section A 3.ppt

Unit10I vehadthisbikeforthreeyears SectionA3Grammarfocus 4c 1 Howlonghaveyouhadthatbikeoverthere I vehaditforthreeyears 2 Howlonghashissonownedthetrainandrailwayset He sowneditsincehisfourthbirthday 3 Haveyoueverplayedfootball Yes IdidwhenIwaslittle butIhaven tplayedforawhilenow 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 I velivedheresince1990 Ihaven tseenhimforthreeyears 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 I vehadthebookforfiveyears 句中动词的特点 1 She thisbookfornearlythreeweeks A hasborrowedB haslentC hasboughtD haskept2 Tenyearshaspassed theCCTVeventPeopleWhoMovedChinatookplacein2002 A whenB whileC beforeD since Exercises 4a Rewritethesentencesusingfororsince JimisinJapan Hearrivedtherethreedaysago 2 Theyareveryhungry Theirlastmealwastenhoursago Theyhavebeenhungryfortenhours sincetenhoursago JimhasbeeninJapanforthreeyears 3 Ihaveacamera Iboughtitin2009 4 IknowAnna Ifirstmetherthreeyearsago 5 Lindaisill ShebecameillonMonday Ihavehadacamerasince2009 IhaveknownAnnforthreeyears sincethreeyearsago LindahasbeenillsinceMonday 4b Fillintheblankswiththecorrectformsoftheverbsinbrackets 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 havehad bought haven tbeen miss