语法-一般过去时与过去进行时

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1、Grammar：Tenses一般过去时与过去进行时一般过去时PastSimple构成：was,were(be动词)；did时间状语：yesterday;lastweek;in1945,atthattime;justnow;duringthewar;before;afewdaysago;when…等基本用法：1）表示过去某个时间发生的动作或情况，或过去习惯性动作，不强调对现在的影响。通常与表示具体的过去时间的状语连用，或有上下文语境暗示。HeoftencametoseemewhileIwasinShanghai.Thewindowwasbrokenbythenaughtyb

2、oylastweek.SalesofCDShavegreatlyincreasedsincetheearly1990s,whenpeople______toenjoytheadvantagesofthisnewtechnology.A.beginB.beganC.havebegunD.hadbegun我十年前开始学英语，但现在还是说得不够好。I__________tolearnEnglish___________________,butIstill_______speakitwellenoughnow.2）在时间、条件、方式或让步状语从句中，用一般过去时代替过去将来时。H

3、epromisedtobuymeacomputerifhegotaraise.Ex.Shetoldmethatshe________leaveuntilI_____back.A.willnot;cameB.willnot;comeC.wouldnot;cameD.wouldnot;come3)两个或两个以上在过去接连发生的一串动作用and或but连接时，用一般过去Heboughtawatchbutlostit.Suddenly,atallmandrivingagoldencarriage_______thegirlandtookheraway,____inthewoods

4、.A.seizing,disappearedB.seized,disappearedC.seizing,disappearingD.seized,disappearing4）有时可以代替一般现在时，表达一种婉转、客气、礼貌、商量的语气。IwantedtoaskyouifIcouldborrowyourbike?Wouldyoumindmysittinghere?注意：一般过去时中动词过去时的形式。beginforgetreplyhearbuildcostchoosereaddestroyfeelteachbreakdevelopleavespeakspendwritete

5、achstoplead过去进行时PastContinuous构成：was/weredoing时间状语：atthattime,atnineyesterday,whenIarrived,或表示一段时间的thismorning,yesterday等。基本用法：1）表示在过去某一时刻正在发生的动作。有时没有出现时间状语，要注意上下文的暗示。Whatwereyoudoingatninelastnight?Idon’tthinkJimsawme;hewasstaringintospace.Howfast_____he______whentheaccident_______?(driv

6、e,happen)22）表示某一时段持续的动作Iwaspaintingapictureyesterdayevening.　上周整整一周我都在家呆着。_________________________________________________________________ThereportersaidthattheUFOwastravelingeasttowestwhenhesawit.3）与always,constantly等频度副词连用时具有一定的感情色彩。Mygrandfatherwasalwaysforgettingthings.那时他从来不满足，总是在抱怨

7、。_______________________________________________________________4）与when引导的时间状语从句连用，表示“某人正在/正要做…这时突然...”相当于andatthattimeLilywashavingaholidaywithherfamilyinawildlifeparkwhenshewasbittenonthelegbyalion.Thestudents_______busilywhenMissBrownwenttogetabookshe_____intheof