八年级英语时态复习现在进行时一、现在进行时的基本用法:a.表示现在(指说话人说话时)正在发生的事情。常用时间状语有:now,atthemoment等,并常出现在祈使句中,与look,listen连用.如.Areyouwritingalettertoyourfatheratthemoment?Listen!Sheissinginginthenextroom.Wearewaitingforyou.b.表示目前阶段正在进行,而此刻不一定在进行的动作.如.Theyareplantingtreesthesedays.Mr.Greeniswritinganothernovel.(说话时不一定在写,只说明近段时间处于写作的状态。)SheislearningpianounderMr.Smith.c.表示渐变的动词有:get,grow,become,turn,run,go,b如in等。Theleavesareturningred.It'sgettingwarmerandwarmer.d.与always,forever等词连用,表示反复发生的动作或持续存在的状态,往往带有说话人的主观色彩。Youarealwayschangingyourmind.e.用现在进行时表示将来意为:"意图、打算、安排"等,常用于人。常用词come,go,start,arrive,leave,staysee等。I'mleavingtomorrow.Areyoustayingheretillnextweek?注意:某些表示感觉或状态的动词,如love,like,prefer,hate,see,know等一般不用现在进行时.如:Lucyprefersarttoscience.△二、现在进行时的基本结构:is/am/are+v-ing形式(动词的现在分词)三、使用现在进行时的标志1.若句首出现listen或look,则其后的句子常用现在进行时。如.Listen!Someboysaresinginginthenextroom.2.当句首或者末尾用了now,此句子常用现在进行时。如.Theoldpeoplearedancingintheparknow.3.其他:1、come,go,leave等短暂性动词常用现在进行时表示将要发生的动作。如.①Iamcoming.②Thetrainisleavingat9:00a.m..2.表示知觉、看法、认识、感情、愿望或某种状态的动词(例如:see,hear,think,want,like,want,be等)通常不用现在进行时。如:①Iseemypen.(不说:I’mseeingmypen.)②Iwanttogotothemovies.四、现在进行时中动词的现在分词的构成⑩be+v.ing①.大多数的动词直接加ing.go-going;work-working;study-studying②.以不发音的e结尾,去e加ing.live-living,make-making,skate-skating③.末尾只有一个辅音字母的重读闭音节动词,要双写这一辅音字母,再加ing.run-running,swim-swimming,sit-sittingchat-chatting.现在进行时练习()1.Can’tyouseeUncleWangandhisfriendssomemachines?A.ismakigB.aremakingC.make()2.MyfatherTVwithmymothernow.A.watchB.watchingC.iswatching()3.I’ssixo’clockintheevening,Myfamilysupperatthetable.A.eatsB.iseatingC.areeating()4.LucyandLilytospeakChinesewithMissGao.A.Is,tryB.IstryingC.Are,trying()5.Thedogitselfoutsidethedoor.A.iswashingB.washC.washes()6.ThestudentsinClassOnecarefullytotheirEnglishteacher.A.islisteningB.islookingC.arelistening()7.Listen!Thechildrenintheopenair.A.singingB.issingingC.aresinging()8.What’sthematter,LiLei?Iformypen.A.amlookB.amlookingC.look()9.Let’sgointotheclassroom.Thebell.A.ringingB.isringingC.isring()10.Themanisbadlyhurtandheontheroadsadly.A.islyingB.arelyingC.lieing11.I(read)abook,now.12.Look!Somestudents(play)basketballontheplayground.用现在进行时完成下列句子:1.What_________you__________(do)?2.I_____________(sing)anEnglishsong.3.What________he____________(mend)?4.He______________(mend)acar.5.______you__________(fly)akite?Yes,_______.6.______she___________(sit)intheboat?7.______you_____________(ask)questions?8.We_______________(play)gamesnow.过去进行时一、概念:过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。其形式为was/were+V-ing。常与表示过去的时间状语连用,如:lastnight,lastSaturday等;或者与when,while,as引导的过去时间状语连用。例如:WewerewatchingTVfromseventoninelastnight.昨晚七点到九点的时候我们在看电视。WhatwasheresearchingalldaylastSunday?上周日他一整天都在研究什么?二、过去进行时可以表示在过去某个时间点发生的事情。时间点可以...