初中英语-过去完成时

pastperfecttense过去完成时（Simplepasttense一般过去时）1.Hehasheardthesongbefore.（Presentperfecttense现在完成时）3.Hesaidhehadheardthesongtwoyearsbefore.（Pastperfecttense过去完成时）2.Heheardittwoyearsago.Simplepasttense一般过去时表示在过去某个时候发生的动作或存在的状态.Iwenttoschoolbybikethismorning.Iwasatschoolyesterdayafternoon.一般过去时结构:am,is,are---was,wereV-ed用法：threedaysagoYesterdayLast…amomentago=justnowinthepastin1997when+过去时句子一般过去时时间状语：Let’sdosomeexercises:1.Itissaidthattheoldchurch_________(build)fromtheyear1845to1848.2.InChina,thenumberofInternetusers__________(be)55millionin2002.3.In1946,UNICEF___________(set)uptohelpchildrenwhoseliveswerechangedbecauseoftheSecondWorldWar.wasbuiltwaswassetPresentperfecttense现在完成时现在完成时结构：助动词have/has+动词的过去分词用法1：1.Ihavealreadyfinishedmyhomework.表示过去发生的某一动作对现在造成的影响或结果．NPF3.He___________(lose)hiskey,andhecan’tgetintohishousenow.haslost2.Ihaveneverseenhimbefore.现在完成时用法1：already,yet,just,ever,never,before表示过去发生的某一动作对现在造成的影响或结果．时间状语：两“去”have/hasbeento…have/hasgoneto…去过某地去了某地have/hasbeenin…来/去/到/在某地他来中国两年了．HehasbeeninChinafortwoyears.have/hasbeen(to)…去过某地我以前从未去过那儿．他们去过英国两次了你曾经去过美国吗？－你去那里了？－我去老师办公室了Ihaveneverbeentherebefore.IhavebeentoEnglandtwice.HaveyoueverbeentotheUSA?---Wherehaveyoubeen?---Ihavebeentotheteacher’soffice.anotherplacehave/hasgoneto…去了某地1.Tomisn’there.He_______________Beijing.2.---WhereisMr.Li?---He_____________Beijing,andhewillcomebackintwoweeks.hasgonetohasgonetoanotherplace现在完成时用法2：表示过去已经开始，并持续到现在（包括现在在内）的动作或状态．NPF时间状语：1.for+一段时间2.since＋过去时间点yesterdaylast…threedaysago1997thismorningthensince＋过去时句子3.howlongsinceIwasbornWehavelearnedEnglishforsixyears.Hehasworkedinthefactorysinceheleftschool.TheyhavelivedinBeijingsince1980.Howlonghaveyoustudiedinthisschool?现在完成时用法2：1.我们学英语六年了．2.自1980年起他们就住在北京了．3.自他毕业起他就在这个工厂工作了．4.你在这个学校学习多长时间了．havekeepbeaway(from)beinbeonbedeadbeamemberof／beinbein遇到表示一段时间的时间状语,瞬间动词必须改成延续性动词或短语。buy_______borrow_________begin_______leave___________die_______come/goto_________join_______________________arriveat/reach/getto_______现在完成时用法2：PleasetranslatethesentencesintoEnglish1.李雷买这本字典3天了。Lilei____________________forthreedays.2.他们搬到这儿他的爷爷就去世了．Hisgrandfather________________sincetheymovedhere.3.他两年前就离开家乡了．He_____________________________sincetwoyearsago.hashadthedictionaryhasbeendeadhasbeenawayfromhishometown现在完成时时间状语：inthepast/lastfewyearsrecentlyinrecentyears/months/daysbynow/sofar/uptonow1.There__________(notbe)muchraininmyhometownsincethebeginningofthismonth.2.It___________（snow)twiceinhishometownsinceaweekago.3.Sofar,China_____________(develop)about1,360kindsofgreenfood.4.Look,thesmallparkhere____________(turn)intoathreater.Let’sdosomeexercises:hasn’tbeenhassnowedhasdevelopedhasturned一般过去时与过去完成时1.A:I____________(buy)adictionary.B:When_______you________(buy)it.A:Lastnight.B:Where_______you________(buy)it?A:Inthenewbookshop.didbuydidbuyhavebought2.Myfriend_____________(buy)acar.He__________(buy)ittwoyearsago.hasboughtboughtpastperfecttense过去完成时过去完成时结构：助动词had+动词的过去分词用法一：动作在过去某一时间或动作之前已经发生或完成，动作发生的时间是“过去的过去”PNF时间状语：by+过去时间,bythetime+过去时的句子,when/before+过去时的句子构成：助动词had+动词的过去分词（V.pp)用法：1.过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。在强调过去某一动作发生在另一动作之前时。在强调过去某一个动作发生在另一个动作前常常用过去完成时态。1.他说他以前见过你。Hesaidthathe______________(see)youbefore.hadseen2.到六点钟为止他们已经工作八小时了。Bysixo’clockthey______________(work)foreighthours.hadworked2.过去完成时可以表示过去某一时刻之前发生的动作或呈现的状态，这一动作一直持续到过去某一时刻。Bysixo’clockthey____________(work)foreighthours.WhenIcametoGZ,he_____________(be)thereforalongtime.用法：1.到了六点钟为止，他们已经工作了八小时了。2.我到广州时，他在那里很长时间了。hadworkedhadbeen3.到上个月中旬我们在北京住了有五年时间了。Bythemiddleoflastmonthwe______________(live)inBeijingforfiveyears.hadlived1.到昨晚上，他已写完那封信。Byyesterdayeveninghe___________(write)thatletter.2.他说LinTao已经走了。HesaidthatLinTao____________(leave)3.当我进来时，他已做完了作业。WhenIcameinhe________________(finish)hishomework.过去完成时与bythen(截止到那时);by9o’clock(直到九点钟)bytheendof…(在…结束/末之前);bythetime…(在…时之前);uptillthen(直到那时);upuntillastnight(直到昨晚）等连用，表示过去的过去。hadwrittenhadlefthadfinished3.过去完成时和already,just,ever,yet等连用表示过去的过去。用法：例如：1.他告诉我说他们队已经赢了。Hetoldmethathisteam_________already___________(win).hadwon2.她说她仍没去过长城。Shesaidthatshe_______________(notgoto)theGreatWallyet.hadn’tbeento用法：过去完成时与when,before,assoonas,till/until等引导时间状语的从句连用，强调动作发生的时间前后。例如：1.她到家之前她的孩子已经睡着了。Whenshegothomeherchildren____________(sleep).hadslept2.在他们到达之前电影已经开始了。Beforetheyarrivedherethefilm_________already___________(start).hadstartedLastnight,assoonasI_______________(finish)myworkIwenttosleep.3.我完成作业了就去睡觉了。hadfinished1.Afterhe______________(finish)hisworkhewentout.hadfinished2.Thechildrenranawayafterthey___________(break)thewindow.hadbroken3.IwenttoTom’shousebuthe__________(go)out.hadgone4.Annietoldmethathisfather____________(go)toParisandhe____________(come)backinafewdays.hadgonewouldcome5.Myfriend__________(buy)thecartwoyearsago.He________________(buy)itfortwoyears.boughthashadLet’sdosomepractice:1..Whenhisgrandmothersawagain,he____________(grow)upintoatallyoundman.2..XiaoWangdidn’twanttotellmeanythingaboutwhathe_____just______(hear).3.Bythetimeshewasfifteen,Kitty__________(teach)hersel