四大时态的比较:时态定义关键词句子结构一般现在时1、目前存在的状态2、经常性、习惯性的动作always,usually,often,sometimes,everyday(week、Sunday…)、never，seldom1、主语+系动词be(am,is,are)2、主语+行为动词原形；3、主语为第三人称单数时V+s,或es现在进行时表示正在进行或发生的动作1、提示语：look!Listen!now、See?2、At+时间点3.It’s+具体时间1、特定情景主语+be(am,is,are)+V-ing一般将来时1、表示计划或打算做某事2、将要发生的动作或存在的状态1、tomorrow,thenextday,thisevening,thisafternoon,soon2、thedayaftertomorrow,next～(week,term,month,year…)3、in+未到年份，如in20081、主语+begoingto+V原形2、主语+will+V原形3、go,come,leave等用现在进行时表示将来4、want用一般现在时表将来一般过去时表示过去时间内发生的动作或存在的状态1、yesterday,last～(week,year,month…)thedaybeforeyesterday,justnow,thismorning,ago,atthattime,before2、in+过去年份1.主语+动词be的过去时（was,were）2、主语+行为动词的过去式一、用所给动词的适当形式填空：1.Listen!Thechildren_______________(sing)intheclassroom.2.I______(feel)coldthismorning.3.Look!Thewomanoverthere______________(look)atyou.4.Mary______________(visit)hergrandparentsnextMonday.5.We______________(have)anEnglishclassyesterdaymorning.6.I______________(leave)forShanghaitomorrowevening.7.Joanoften______________(catch)theNo.11bustowork.8.He_____________muchaboutChinese.(notknow)9.Tomoften______________(go)toschoolonfoot.Butyesterdaywasrainy.He______________(go)toschoolbybus.10.Mymotherusually__________(watch)TVand_________(wash)clothesonSundaymorning.11.Mymother____________(be)aworkerin2006.12.Todayisasunnyday.We______________(have)apicnicthisafternoon.13.__________yoursisteroften__________(go)shopping?14.Theboys________________(swim)intherivernow.15.Everyoneinmyfamily______(be)busynow.Butmybrother________(play)withthecat.二、单项选择。()1.They____climbingmountains.A.likeB.likesC.liking()2.TomandJack_____somereadingeveryday.A.doB.doesC.doing()3.Mybrother_____hard.A.studyB.studysC.studies()4.Joedoesn’t_____anymoneynow.A.haveB.hasC.having()5.MaryandMay______exerciseunderthetreenow.A.takeB.aretakingC.taking()6.I____inGuangzhou10yearsago.A.liveB.livedC.liveed()7.Itwill______verycoldtomorrow.A.beB.isC.goingtobe()8.Mikeoften______exerciseonThursdayafternoon.A.takesB.istalkingC.isgoingtotake()9.Ben______hismotherjustnow.A.calledB.callsC.calling()10.Wecan_________differentanimalsinthezoo.A.seeB.sawC.seeing()11.Shewill__________theflowerlater.A.waterB.watersC.watering()12.Ken_________theNightZoobybusnextSunday.A.isgoingtovisitB.visitsC.visiting()13.Look,thechildren______inthepark.A.arehavingfunB.ishavingfunC.aregoingtohavefun（）14、MrBrown______tomorrow.A.goesfishingB.willgofishingC.gofishing()15.______thechildrenvisitingthemuseumnow?A.AreB.DoC.Can()16.Whendoesyourclasses_____?A.startB.startsC.open(）17.How___yourbrothertoworklastSunday?A.does，goB.did，goC.did，went()18.Myparents______lunchat12:00.A.haveB.hasC.with
