动词的一般现在时,现在进行时,一般过去时

英语动词常用的时态一般现在时

表示现在习惯或经常反复发生的动作或存在的状态,常与usually,always,seldom,sometimes,often,frequently,everyday,everyweek,[year,morning……],onSundays等时间状语连用。

eg:1.Thestudentsoftendotheirexperimentsinthelaboratory.

2.Wealwayscareforandhelpeachother.

3.Iamusedtolisteningtotheweatherreporteverymorning.

4.Hesometimesstaysuptillmidnighttocatchupwithothers.5.DoyouusuallygotoschoolonSundays?表示主语现在的特征，性格和状态Eg:1.Sheisalwaysreadytohelpothers.2.Chinaisadevelopingcountrywhichbelongstothethirdworld.3.-Doyousing?-Alittle表示客观规律，正确事实，或科学真理，格言，以及其他不受时间限制的客观存在Eg:1.Allthelivingthingsontheearthdependonthesun.2.Knowledgecomesonlyfrompractice.3.Unpleasantadvice,likebittermedicine,haswelcomeeffect.Ourteachertoldustheearthgoesaroundthesun.由连词if，unless,before,assoonas,when,once,however等引起的时间[条件，让步]状语从句，需用一般现在时，表示将来1.Iwillcallyouunlessitrainsthedayaftertomorrow.2.Evenifitrainstomorrow,thesportsmeetwilltakeplace.3.Wewillstartassoonasyouareready.4.Howevermuchadviceyougivehim,hewilldoexactlywhathewants.表示安排或计划要做的动作（有时间状语）限于begin,come,leave,go,arrive,start,stop,open,close,return等一类动词Thefilmstartsatseveno’clockthisevening.Theplanetakesoffat5:00a.m.

WeleaveforBeijingnextFriday.现在进行时一、表示现在(说话的瞬间)正在进行或发生的动作Eg：1.Look!Theboyisdoinghomework.2.Look!Themonkeyisclimbingthebananatree.

3.Ihaven’tacceptedhissuggestionyet.I’mstillconsideringit.二、表示当前一段时间内的活动或现阶段正在进行的动作（说话时动作不一定正在进行）Eg:1、HowareyougettingalongwithyourEnglishthesedays?

2、Wearegoingoverthegrammarlearnedbeforeatpresent.

3、WearepreparingforthemeetingtobeheldnextFridaynow.三、表示说话人现在对主语的行为表赞叹或厌恶等（常与always,constantly,continually等副词连用）1.Heisalwaysthinkingofothers.(表赞许)2.Heisconstantlyleavinghisthings.(表不满)3.Thechildrenarealwaysmakingtrouble.(表厌恶)4.Sheisalwaysaskingthesamequestion.（表厌恶）5.Youarealwayschangingyourmind.（表抱怨）

表示在最近计划或安排要进行的动作，常限于go,come,leave,start,arrive,return,work,sleep,stay,do,have,wear,等表移动，方向的动词。1.Heisstartingtheworkinafewminutes.2.HeisleavingforBeijingtomorrowafternoon.3.Heiscomingtoseeyounextmonth.4.Heisstayingwithusforafewweeksnextyear.一般过去时一、表示过去发生的动作或存在的状态，常与yesterday,in1996,twoyearsago,lastmonth,thedaybeforeyesterday,theotherday,onceuponatime等表示过去的时间状语连用。TheGreatWallcameintobeingin221B.C.Shesuddenlyfellillintheclassroomtheotherday.MrJacksoncametoChinaascoreofyearsago.Athiefbrokeintoandstolehistreasurelastnight.二、表示过去一段时间内经常或反复发生的行为，常与everyday,often,sometimes等时间状语连用，“usedto+动词原形”或“would+动词原形”常用来表示过去经常或反复发生的行为。WhenIwasinthefactory,Ioftenworkedintheknowledge.Heusuallycametoschoolbybikelastyear.Weusedtogetupatfiveeverymorningwhenwewereatschool.WewouldaskhimforadvicewhenwehadtroublewithourEnglish.表示过去发生的一连串动作Theprofessorputonefingerinhismouth,tastedit,andsmiledwithsatisfaction.在时间，条件，方式，状语从句中用一般过去时表示过去将来的动作Hesaidhewouldletusknowifhegotanynews.Hepromisedthathewouldbu