高考必掌握時態(tài)構(gòu)成及標(biāo)志詞

時態(tài)構(gòu)成及標(biāo)志詞時態(tài)構(gòu)成例句標(biāo)志詞一般現(xiàn)在時主系表：主語+am/is/are+其它主謂賓：主語+do/does+其它Iamateacher.Ileavehomeforschoolat7everymorning.always,usually,often,sometimes,seldom,everyday,onSundays,onceaweek一般過去時主系表：主語+was/were+其它主謂賓：主語+did+其它HelivedinBeijingwhenhewasyoung.yesterday,thedaybeforeyesterday,lastyear,in2012,theotherday,inthosedays,duringthenight,twodaysago,justnow一般將來時主語+willdo+其它主語+begoingtodo+其它主語+am/is/areabouttodo+其它主語+am/is/aretodo+其它Thefirsttimewe’llsendyouwithanexperiencedreporter.Iamgoingtovisitmyfriendinhospital.Nowladiesandgentleman,you’reabouttohearthemostincredibletale.Theirdaughteristogetmarriedsoon.nexttime,tomorrow,beforelong,lateron,inthefuture,thedayaftertomorrow,nextweek,soon,inthreedays,intheyear2022現(xiàn)在進行時主語+am/is/aredoing+其它Itisrainingheavilynow,sowemuststayinside.I’mreadingabookthesedays.now,thesedays,look,listen過去進行時主語+was/weredoing+其它WhenPaulknockedatthedoorJimwaswatchingTVinthelivingroom.atninelastnight;atthattime=then;atthistimeyesterday;whentheteachercameinwhilehewasreading現(xiàn)在完成時主語+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+時間點/過去時態(tài)的句子,for+一段時間,uptill/tonow,sofar,,inthelast/pastfewyears③“This/Itis＋第幾次＋that從句”，that從句謂語動詞用現(xiàn)在完成時。過去完成時主語+haddone+其它Hehadshutthedoorbeforethedogcameup.By,before,until,when引導(dǎo)的時間狀語“This/Itwas＋第幾次＋that從句”，that從句謂語動詞用過去完成時?，F(xiàn)在完成進行時主語+have/hasbeendoing+其它Wehavebeenstudyinginthisschoolforthreeyears.同現(xiàn)完，區(qū)別為，現(xiàn)在完成進行時強調(diào)進行、持續(xù)將來進行時主語+willbedoing+其它Whatwillyoubedoingthistimetomorrow?at+具體時間+將來時間；atthis/thattime+將來時間將來完成時主語+willhavedone+其它Theywillhavefoundthesecretbythetimeyoucomebackhome.Perhapswewillhavefinishedourworkbeforeshearrives.Whenwegetthere,theywillprobablyhaveleft.by(thetime/theendof)＋表示將來時間的短語或句子；before(theendof)＋表示將來時間的短語或句子；when,after等＋表示將來動作的句子過去將來時主語+would/shoulddo+其它主語+was/weregoingtodo+其它主語+