八年级下册十单元.pptx

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1、八年级（下）Goforit!学练优英语教学课件学练优八年级英语下（RJ）教学课件SectionA(3a-4c)Unit10I'vehadthisbikeforthreeyears.LeadinReviewtheconversationtheylearnedinlastclass.Howlonghaveyouhadthatbikeoverthere?A:Doyouhavea(n)_______?B:Yes,Ido.A:Howlonghaveyouhadit?B:I’vehaditfor/since

2、…Pairwork3bReadthearticleagainandanswerthequestions.1.Whydidtheydecidetohaveayardsale?2.Whatdotheywanttodowiththemoneyfromthesale?3.Whydoesthesonwanttokeepthetrainandrailwayset?4.Howcantheoldtoysbeusefulagain?5.Haveyoueverthoughtaboutayardsaletoselly

3、ourthings?探究点一Reading3cFindthewordsorphrasesinthearticlewhichcanbereplacedwiththeonesbelowandwritedownthemnexttothewords.lose—partwithkids—_______truthful—_______many—_______sometime—_______eventhough—_____quickly—_________older—__________Summary现在完成

4、时用法（二）此用法需注意两点：1）常与for,since引导的时间段的时间状语连用。2）动词使用延续性动词。since,for的用法:since:自…...以来1)since+时间点He has stayed heresince 5 o’clock.2)since+时间段+agoHe has stayed heresince 5 hours ago.3)since+从句(句子要用一般过去时态）She has taught Englishsince he came here.for:(长达）for

5、+时间段Hehaskeptthebookfor2weeks.since＋一段时间＋ago＝for＋时间段;sincetwoweeksago=fortwoweeks;Ihavekeptthelibrarybookforaweek.=Ihavekeptthelibrarybooksinceaweekago.在现在完成时态中，for与since引导的时间状语可以相互转换。Itis+时间段+since+一般过去时的句子.1.他的爷爷已经去世2年了。2.Nick参军三年了。3.他离开深圳好长时间了。4.这

6、本书我已借了4个月了。Itis2yearssincehisgrandpadied.Itis3yearssinceNickjoinedthearmy.ItisalongtimesinceheleftShenzhen.Itis4monthssinceIborrowedthebook.含有for，since的现在完成时的用法歌诀:过去的动作或状态，一直持续到现在，for,since把时间带。歌诀常见非延续性动词和延续性动词的转变第一类：短暂动词be+adj.diefinishopen/closefal

7、lill/asleepmarrysb/getmarriedto第二类：短暂动词be+介词.start/beginleavejoinbedeadbeawayfrombein/beamemberofbeopen/closedbeonbeoverbeill/asleepbemarriedto第三类：短暂动词另一个动词buyborrowbecomeputonkeephavebewear巧记瞬间性动词的转换：开始离去借来还，出生入死买到家，穿衣入睡要感冒，开开关关变结束。1beginbeon6return

8、beback2leavebeawayfrom7joinbein3gobeoff8diebedead4borrowkeep9buyhave5comebehere10arrivebehere10reachbehere11putonwear12fallasleepbeasleep13catchacoldhaveacold14openbeopen15closebeclosed16becomebe17end/finishbeover4aRewritethesentencesusingfororsince.