英语人教版八年级下册Unit 10 Section A Grammar.ppt

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1、Unit10I'vehadthisbikeforthreeyears.SectionAGrammar找出2d中的现在完成时的句子1.I'vehadthismagazineforacoupleofmonths.2.I'vehadthemsinceIwasachild.3.Mymom'shaditforalongtime.语法总结：现在完成时接的时间1.for+时间段“持续...”2.since+时间点/过去时的从句“自从...以来”你在这里学习多久了？Howlonghaveyoustudiedhere?Iha

2、vestudiedherefor2years.Ihavestudiedheresince2yearsago.Ihavestudiedheresince2015.IhavestudiedheresinceIwas12.总结：1.for+时间段“持续多久”2.since+过去的时间+agosince+过去的时间点since+过去时的从句“自从......以来”你在株洲多久住了？HowlonghaveyoulivedinZhuzhou?IhavelivedinZhuzhouformorethan20years.I

3、havelivedinZhuzhousincemorethan20yearsago.IhavelivedinZhuzhousince1995.IhavelivedinzhuzhousinceIwasachild.我已经有5年没有见过我阿姨了。Ihaven'tseenmyauntfor5years.Ihaven'tseenmyauntsince5yearsago.Ihaven'tseenmyauntsince2010.Ihaven'tseenmyauntsincemyninthbirthday.自从我到中国以

4、来已经两年了。ItistwoyearssinceIcametoChina.总结：Itis+时间段+since+过去时从句,表示过去某个时间发生并持续到说话时的动作或状态。自从我们互相认识已经十年了。Itistenyearssincewekneweachother.1.这是我读过的最有趣的英语书。ThisisthemostinterestingEnglishbook(that)Ihaveeverread.2.她是我见过的最美的女孩。Sheisthemostbeautifulgirl(who)Ihaveever

5、seen/met.总结：现在完成时用于修饰最高级的句子中1.我认识Tom已经6年了。IhaveknownTomfor6years.2.自从2000年他就已经在这家工厂工作。Hehasworkedinthisfactorysince2000.3.Mary自从22岁就已经在株洲市外国语学校教英语。MaryhastaughtEnglishsinceshewas22yearsold/sinceher22ndbirthday.4.自从MissLiu进教室，我们就已经在读书了。WehavereadsinceMissLi

6、ucameintotheclassroom.5.自从铃声响起，他就已经站在教室外面。Hehasstoodoutsidetheclassroomsincethebellrang.6.Lucy已经睡了10个小时了。Lucy自从晚上7点以来就在睡觉。Lucyhassleptfor10hours.Lucyhassleptsince7pmlastnight.总结：瞬间动词（非延续性动词）不能接时间段的结构，延续性动词后才可接时间段；句子中没有时间段，则两种动词都可用。这本书我已经买了两周了。Ihaveboughtth

7、ebookfor2weeks.改为hadIhaveboughtthebook.瞬间动词和延续性动词转换borrow—keepbuy—haveputon—wearbegin/start—beongetto/arrive/reach—bein/atdie—bedeadleave—beawayfrom1.这本书我已经借了两周了，但是还没有看。2.电影已经开演半小时了。Ihavekeptthebookfor2weeks,butIhaven'treadit.Themoviehasbeenonforhalfanhour

8、.3.自从2009以来，他就离开了株洲。4.这个老太太已经死了10年了。HehasbeenawayfromZhuzhousince2009.Theoldwomanhasbeendeadfor10years.5.我们已经到达北京5天了。WehavebeeninBeijingfor5days.4aJimisinJapan.Hearrivedtherethreedaysago.JimhasbeeninJapanfor3