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(1)一般现在时•经常性动作等。常与everyday,often,always,onceaweek,seldom,usually等连用。Shealwaysgoestoschoolbybus.•真理和事实。Lighttravelsfasterthansound.•在由when,if,before,assoonas,unless等引导的时间状语从句和条件状语从句中，用一般现在时代替一般将来时。WhenIgrowup，Iwillbeasoldier.（主将从现）•动作正在发生，用在由here,there等开首的句子中，表示现在正在发生。Theregoesthebell.•表示主语的习惯特征，性格，能力等。Hestudiesveryhard.•一般的说明文字等。Thebooksaysthatwomencanlivelongerthanmen.(2)一般过去时1.表示过去的某个时间发生的动作或存在的状态，常和明确的时间状语连用。（或有上下文语境暗示）Shewentoutjustnow.Isawhimyesterday.2.表示过去经常发生的动作。Lastmonthsheworkedelevenhourseveryday.Heusedtogetupearly.3.表示两个紧接着发生的动作，常由以下词语连接，用一般过去时。如：but,and,when,assoonas,immediately,themoment,theminute。Themomentshecamein,shetoldmewhathadhappenedtoher.Heboughtawatchbutlostit.(3)一般将来时①表示未来的动作或状态常用will/shall+动词（常与表示将来的时间状语边用如tomorrow、nextweek等）。Hewillvisitshanghainextweek.②表示一种趋向或习惯动作。We’lldiewithoutairorwater.③表示趋向行为的动词如come、go、start、begin、leave等词常用进行时的形式表示将来时。MyuncleiscomingformAmerica.④begoingto与will/shall,betodo,beabouttodo用法及区别：begoingto表示现在打算在最近或将来要做某事，这种打算往往经过事先考虑，甚至已做了某种准备；shall/willdo表示未事先考虑过，即说话时临时作出的决定。*begoingto表将来，不能用在条件状语从句的主句中；而will则能，表意愿。如：Ifitisfine,we’llgofishing.(正确)Ifitisfine,wearegoingtogofishing.(错误)*betodosth.表按计划、安排即将发生的动作，还可表示吩咐、命令、禁止，可能性等。Ameetingistobeheldat3:00o’clockthisafternoon.*beabouttodosth.表示“即可，就要”，后面不能接时间状语或状语从句。Autumnharvestisabouttostart.(4)过去将来时参照一般将来时对比：woulddo、was/weregoingtodosth.表过去将来；come、go、leave等过去进行时表过去将来时；was/weretodosth.和was/wereabouttodosth.表过去将来。(5)现在进行时•表示正在进行的动作。Whatareyoudoingnow?•表示即将发生的动作.Sheisleavingtomorrow.•表示现阶段正在进行的动作.Moreandmorepeoplearegivingupsmoking.•表示反复发生的或习惯性的动作,常表示不满,抱怨,赞赏等.Sheisalwaysfindingfaultwithothers.(6)过去进行时•1.过去某一时刻在进行的动作．经常需要表示过去的时间状语．Thistimeyesterday,theywerehavinglunch.•2.过去进行时常与一般现在时配合，互为时间背景．Iwaswritingaletterwhenhecame.•Thetelephonerangwhileshewaswashing.•3.过去反复的动作，常同always,frequently,continually等连用．Theywerefrequentlygoingthere.(7)现在完成时•表示动作刚刚完成.Ihavefinishedthatwork.•表示过去做的动作对现在仍有影响.Whohasopenedthedoor?•表示过去某时开始的动作一直延续到现在并且可能会延续下去.Hehasworkedinthecompanysincehecametothecity.(8)过去完成时•表示在过去某一时间或动作之前已经完成的动作．Bytheendof2002,thefactoryhadproduces200000cars.•表示在过去某一时间开始一直延续到另一个过去的时间的动作．Theoldmanhadbeenillforalongtimebeforehediedin2002.1.---Where__you__(put)thebook?Ican’tseeitanywhere.---I___(put)itrighthere.Butnowit’sgone.A.did;put;putB.have;put;putC.did;put;haveputD.have;put;haveput2.Wehaven’theardfromJaneforalongtime.Whatdoyousuppose_______toher?A.washappeningB.happensC.hashappenedD.happened3.Hello,I____youwereinLondon.Howlong_________here?A.don’tknow;wereyouB.hadn’tknown;areyouC.haven’tknown;areD.didn’tknow;haveyoubeen4.I’mgladtotellyouthatwe_____theworkinlesstimethanwe_____expectedto.A.finished;wereB.havefinished;areC.havefinished;wereD.hadfinished;were5.WhenIwasatcollegeI_______threeforeignlanguagebutI________allexceptafewwordsofeach.A.spoke;hadforgottenB.spoke;haveforgottenC.hadspoken;hadforgottenC.hadspoken;haveforgotten2.现在完成时与现在完成进行时1.---Hi,Tracy,youlooktired.“---Iamtired.I_______thelivingroomallday.A.paintedB.hadpaintedC.havebeenpaintingD.havepainted2.---Haveyouhadanylettersfromhim?---No,Ihaven’t,butmywife_______himregularly.A.hasheardfromB.hasbeenhearingfromC.hadheardfromD.hears3.现在进行时和过去进行时1.Idon’treallyworkhere.I____untilthenewsecretary_______.A.justhelpout;comesB.havejusthelpedout;willcomeC.amjusthelpingout;comesD.willjusthelpout;hascome2.---Whenshallweleave?---AssoonasI______whatI_______.A.willfinish;doB.havefinished,amdoingC.finish,willdoD.finish,do3.Atthattimehe_____inthelibrary.A.workedB.hadworkedC.wasworkingD.wouldwork4.Thestudents____busilywhenMissBrownwenttogetabookshe____intheoffice.A.wereworking;hadleftB.worked;leftC.hadworked;leftD.wereworking;wouldleave5.---Hey,lookwhereyouaregoing!---Oh,I’mterriblysorry._______.A.I’mnotnoticing.B.Iwasn’tnoticing.C.Ihaven’tnoticed.D.Idon’tnotice.E.Ididn’tnotice.F.Iwon’tnotice4.一般过去时和过去进行时1.He______abookaboutChinalastyear,butIdon’tknowifhe______it.A.wrote;hasfinishedB.waswriting;hasfinishedC.waswriting;hadfinishedD.wrote;willfinish2.Tom________intothehousewhennoone___________.A.slipped;wasnoticingB.hadslipped;noticedC.slipped;hadnoticedD.wasslipping;noticed3.Asshe________thenewspaper,Granny_________asleep.A.read;wasfallingB.wasreading;fellC.wasreading;wasfallingD.read;fell4.ThelasttimeI_________Janeshe__________cottoninthefields.A.hadseen;waspickingB.saw;pickedC.hadseen;pickedD.saw;waspicking