初中现在完成时讲解与练习省公开课一等奖全国示范课微课金奖PPT课件.pptx
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初中现在完成时讲解与练习省公开课一等奖全国示范课微课金奖PPT课件.pptx

初中现在完成时讲解与练习省公开课一等奖全国示范课微课金奖PPT课件.pptx

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现在完成时have/has+过去分词now过去分词组成1)表示到现在为止已经完成或刚才完成动作。Nowwehaveplantedallthetrees.Hehasjustcomeback.Theyhavebuiltmanybuildingsinthiscity.2)表示过去发生动作,强调结果或对现在影响。Someonehasbrokenthewindow.(窗户现在是坏)Ihavealreadylostthekey.(我现在没有钥匙)Ihaven’treadthatbookyet.(不了解书内容)Ihavejustcleanedmyhands.(手是洁净)在以上两种使用方法中常跟already,not…yet,never,just,before,ever,recently等时间继续下去状语。3)表示过去已经开始,连续到现在,可能还会继续下去动作或状态,常与包含现在在内一段时间状语连用。ShehaslearnedEnglishfor5years.HehaslivedinBeijingsincehewasborn.HashelivedinShenzhenfor4years?since用来说明动作起始时间—“自从……”for用来说明动作延续时间长度—“长达……”Ihavelivedhereformorethantwentyyears.IhavelivedheresinceIwasborn.Myaunthasworkedinacompanysince1949.Ihavenotheardfrommyuncleforalongtime.现在完成时Presentperfect句型Ihavenot(haven’t)seenthefilm.I’vealreadyhaddinner.I________________dinner________.2.Hehasjustfinishedhishomework.He________________hishomework_________.3.Mum’scookedthedinner.Mum_______________thedinner.4.Susan’slearnedEnglishatschool.Susan________________Englishatschool.Haveyoueatenyourbreakfast?I’vealreadyhaddinner.2.Hehasjustfinishedhishomework.3.Mum’scookedthedinner.4.Susan’slearnedEnglishatschool.(for+表示一段时间词组,since+表示过去某一时刻词或词组)谓语只可用延续性动词.注意:瞬间动词不能和时间段连用.method1:他爷爷已经逝世2年了。Nick从军3年了.他离开深圳好长时间了。这本书我已借了4个月了.method2:Hedied10yearsago.---Hehasbeendeadfor10years/since10yearsago.2.Heborrowedthebook2weeksago.---Hehaskeptthebookfor2weeks.3.Heboughtthemotorbikeamonthago.---Hehashadthemotorbikeforamonth.4.Hearrivedherethreedaysago.---Hehasbeenheresincethreedaysago.5.Theyturnedonthelight2hoursago.---Thelighthasbeenonfor2hours.6.Helefthere2yearsago.---He____________fromherefor2years.7.Thefilmbegan30minutesago.---Thefilm____________for30minutes.8.Theyopenedthedooranhourago.---Thedoor____________foranhour.9.Theyclosedthedooranhourago.---Thedoor____________foranhour.10.Hejoinedthearmylastyear.---He________a____forayear.---He____________thearmyforayear.---It____ayear____hejoinedthearmy.2)普通过去时常与详细表示过去时间状语连用;现在完成时通常与含糊时间状语连用,或无时间状语。Hehasgon
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