现在完成时复习.pptx

-ThePresentPerfectTense,Grammarrevision,时态,不同时间发生的动作，动词要用不同形式,已学习过的时态,1.v原形2.v+s/es（三单现）,am/is/are+v-ing,1.will/shall+v原形2.am/is/aregoingto+v原形,1.v-ed（规则动词）2.不规则动词,was/were+v-ing,判断下列句子的时态,1.Sheworksinafactory.2.Iwasdoingmyhomeworkatthistimeyesterday.3.WearegoingtohaveapicnicthisSunday.4.Theyheldasportsmeetinglastweek.5.Areyouhelpingyourmother.,一般现在时,过去进行时,一般将来时,一般过去时,现在进行时,现在完成时,1.过去发生的动作对现在造成的影响或结果。,2.过去已经开始，持续到现在的动作或状态,动词构成：have/has+v过去分词,havebreakfast,Ihavejusthadmybreakfast.,(现在我不饿),Imnothungrynow,movedherein2000,Istilllivehere,Ihavelivedhereforthreeyears.,Ihavelivedheresince2000/threeyearsago.,现在完成时动词构成have/has+v过去分词,助动词,否定,haventhasnt,疑问,Haveyou?Hashe?,动词的过去分词形式,1.规则动词2.不规则动词,finish-finished-finishedlive-lived-livedcarry-carried-carriedstopstopped-stopped,Eg.,gowentgonesee-sawseenforgetforgot-forgotten,翻译.,finish,homework,Ihavefinishedmyhomework.,Hehasfinishedhishomework,havent,Hashe,Yes,hehas,No,hehasnt,她成为一名护士已经三年了。我五年前就认识李雷了。那些相片我已经寄给他了。（post）我来到这个学校后，他就一直教我。我刚丢了我的历史书。,Shehasbeenanurseforthreeyears.,IhaveknownLileisincefiveyearsago.,Ihavealreadypostedthephotostohim.,HehastaughtmesinceIcametotheschool.,Ihavejustlostmyhistorybook.,know,knew,knownteach,taught,taughtlose,lost,lost,Payattention注意,1.现在完成时句中常见的时间状语A.表示从过去一直持续到现在,不能是具体过去时间,(1).for+表示一段时间的短语(2).since+表示过去时间点的词语(3).since+表示过去时间的时间状语从句,eg.Ihavebeenateacher_ayear.Hehasbeenatthisschool_1992.Wehavelearned1,000Englishwords_wecametothisschool.,for,since,since,不能是具体过去时间,B.just,already,yet,before/ever,never有此类副词时,常强调动作完成,不强调动作的持续.,eg.Haveyou_beentoJapan?Ihave_finishedmyhomework.Ihavefinishedmyhomework_.Ihaventfinishedmyhomework_.,ever,just,already,yet,2.区分短暂性动词与持续性动词.表示短暂性(瞬间性)的动词在现在完成时的句中不能和一段时间连用.即for,since短语或howlong问句,Ihaveboughtthispenfortwomonths.,Ihavehadthispenfortwomonths.,Howlonghaveyou_thispen.,had,Theplayhasbegunforanhour.,hasbeenonforanhour.,come/arrivegooutleavebeginbuyborrowjoindiecatchacold,be,beout,beaway(from),beon,have,keep,beamemberof,bedead,haveacold,改错,Howlonghaveyoubecomealeaguemember？Formorethanoneyear.Haveyouarrivedheresincelastnight.Yes，youreright.Thedoghasdiedforamonth.HehasgonetoShanghaitwice.Howlonghavebeenatthisschool?Sincetwoyears,been,been,beendead,been,ago,For,改写句子,改写句子,1.Myfathercamebackfromthebookshopjustnow.Myfather_just_thebookshop.2.HebegantolearnChinesein2001.He_Chinesesince2001.3.Thefilmbegantwominutesago.Thefilm_sincetwominutesago.4.Hehashadthemotorbikefortwoyears.Itstwoyears_he_themotorbike.He_themotorbiketwoyears_.Twoyears_sincehe_themotorbike,has,returned,from,has,learned,hasbeenon,since,bought,bought,ago,haspassed,bought,用所给动词的适当形式填空,1.He_(go)toAmericatheyearbeforelast.2.-What_you_(do)?-I_(be)ateacher.3.Doyoulike_(drink)milk?4.He_(nothave)hissupperyet.5.We_(see)UncleLitomorrow.6.Joansmotheroften_atfour,nowshe_(cook)7.He_(read)abookwhentheaccident_(happen).8._(travel)byairisveryfast9.Letus_(wait)outside.10.Theteachertoldus_(nottalk)anymore.,went,dodo,am,drinking,ha