高考必掌握时态构成及标志词

时态构成及标志词时态构成例句标志词一般现在时主系表：主语+am/is/are+其它主谓宾：主语+do/does+其它Iamateacher.Ileavehomeforschoolat7everymorning.always,usually,often,sometimes,seldom,everyday,onSundays,onceaweek一般过去时主系表：主语+was/were+其它主谓宾：主语+did+其它HelivedinBeijingwhenhewasyoung.yesterday,thedaybeforeyesterday,lastyear,in2012,theotherday,inthosedays,duringthenight,twodaysago,justnow一般将来时主语+willdo+其它主语+begoingtodo+其它主语+am/is/areabouttodo+其它主语+am/is/aretodo+其它Thefirsttimewe’llsendyouwithanexperiencedreporter.Iamgoingtovisitmyfriendinhospital.Nowladiesandgentleman,you’reabouttohearthemostincredibletale.Theirdaughteristogetmarriedsoon.nexttime,tomorrow,beforelong,lateron,inthefuture,thedayaftertomorrow,nextweek,soon,inthreedays,intheyear2022现在进行时主语+am/is/aredoing+其它Itisrainingheavilynow,sowemuststayinside.I’mreadingabookthesedays.now,thesedays,look,listen过去进行时主语+was/weredoing+其它WhenPaulknockedatthedoorJimwaswatchingTVinthelivingroom.atninelastnight;atthattime=then;atthistimeyesterday;whentheteachercameinwhilehewasreading现在完成时主语+have/hasdone+其它Ihavealreadyfoundmypen.=Ihavefoundmypenalready.Haveyouboughtacomputeryet?Ihavenotfinishedtheworkyet.Haveyoueverseenpandas?IhaveneverbeentoBeijing.Ihavejustdonemywork.Ihaveneverbeentherebefore.Sofarhehaslearnt200words.Jimhaslivedherefor2months.LucyhasbeeninBeijingsince3yearsago.HehasbeeninChinasincehecamehere.①already,recently,lately,yet,ever,never,once,just,before(放句末)②since+时间点/过去时态的句子,for+一段时间,uptill/tonow,sofar,,inthelast/pastfewyears③“This/Itis＋第几次＋that从句”，that从句谓语动词用现在完成时。过去完成时主语+haddone+其它Hehadshutthedoorbeforethedogcameup.By,before,until,when引导的时间状语“This/Itwas＋第几次＋that从句”，that从句谓语动词用过去完成时。现在完成进行时主语+have/hasbeendoing+其它Wehavebeenstudyinginthisschoolforthreeyears.同现完，区别为，现在完成进行时强调进行、持续将来进行时主语+willbedoing+其它Whatwillyoubedoingthistimetomorrow?at+具体时间+将来时间；atthis/thattime+将来时间将来完成时主语+willhavedone+其它Theywillhavefoundthesecretbythetimeyoucomebackhome.Perhapswewillhavefinishedourworkbeforeshearrives.Whenwegetthere,theywillprobablyhaveleft.by(thetime/theendof)＋表示将来时间的短语或句子；before(theendof)＋表示将来时间的短语或句子；when,after等＋表示将来动作的句子过去将来时主语+would/shoulddo+其它主语+was/weregoingtodo+其它主语+