英语人教版八年级下册Unit 10 Section A ppt课件.ppt

Unit10I vehadthisbikeforthreeyears SectionA3Grammarfocus 4c 1 Howlonghaveyouhadthatbikeoverthere I vehaditforthreeyears 2 Howlonghashissonownedthetrainandrailwayset He sowneditsincehisfourthbirthday 3 Haveyoueverplayedfootball Yes IdidwhenIwaslittle butIhaven tplayedforawhilenow Grammarfocus 现在完成时的持续型用法现在完成时还可表示过去某一时间开始并一直持续到现在 包括 现在 在内 的动作或状态 该用法中的动词多是延续性动词 常见的时态标志词有since for等 现在完成时 1 since意为 自从 以来 它既可作介词 也可作连词 作介词时 后接表示过去的时间点 表示某事开始的时间 作连词时 引导时间状语从句 从句常用一般过去时 如 WehavebeenheresincelastSunday twoyearsago Mr Joneshasworkedheresincehewastwenty five 2 for作介词 后接一段时间 表示一个动作或一种状态已经持续了多长时间 如 Ihavestudiedhereforthreeyears Shehasbeenawayforfivedays 注意 1 对since和for引导的时间状语提问时 常用howlong 如 Janehaslearnedtoplaythepianosincetwoyearsago 对划线部分提问 HowlonghasJanelearnedtoplaythepiano 2 在现在完成时中 含有for和since的句子可以相互转换 如 Theyhavelivedhereforfiveyears Theyhavelivedheresincefiveyearsago 3 在现在完成时中 表示短暂意义的动词 如come和see 在肯定句和一般疑问句中不能和表示一段时间的时间状语连用 但在否定句中是可以的 如 MikehascometoLondonforthreeweeks Theyhaven tseeneachotherforages 短暂性 短语 动词与延续性 短语 动词和与表示状态的短语之间的转化1 有些短暂性 短语 动词可转化为相应的延续性 短语 动词 常见的有 become beborrow keepbuy have owncatchacold haveacoldcome stayputon weargotosleep sleepmoveto livein 2 有些短暂性 短语 动词可转化为表示状态的短语 常见的有 leave beawaybegin start beondie bedeadfinish beoverjoin bein beamemberoffallasleep beasleepmarry bemarriedcome arrivehere behere 1 When you thenewbike I itfor2days A did have boughtB did buy havehadC did buy havebought 2015湖北恩施 中考链接 2 TheTVprogramVoiceofYouthisreallygreat Ithinkso It theheartsoflotsoffanssinceitstarted A loseandtouchB wonandtouchedC haswonandtouchedD haslostandhit 2015广东汕尾 3 Mygrandparents inthatcitysince2008 A willliveB liveC havelivedD wereliving 2015北京 4 Wehavebeenfriends A lastyearB oneyearagoC sincewemetlastyearD whenwemetlastyear 2015广西南宁 5 Howhappythegrandparentsare Yes they forfiftyyears A havebeenmarriedB havemarriedC havegotmarriedD married 2015四川眉山 6 Whatagedidyouleavehome Ilefthomeat18 Neil I yourcityforfiveyears A havegonetoB havebeentoC havebeeninD havecometo 2015江苏扬州 7 Amy canwegiveawaythesesofttoys We themformanyyears Mom butIwanttokeepthebear A boughtB hadC haveboughtD havehad 2015湖北黄冈 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 5 Thismuseum be hereforover20years It be oneoftheoldestbuildingsinthissmalltown hasbeen is 4c Fillinthequest