一般现在时,现在进行时和一般将来时的总结

.,第一单元复习,.,语法,1.一般现在时表示经常发生的动作和存在的状态,或习惯性动作及客观事实，普遍真理。Iusuallygetupat6:00everyday.Hegoesbackhomeeverytwoweeks.Iamateacher.Heisawriter.Heworksinacompany,andtheirparentsworkinafactory.,.,注意:(1)在时间，条件等状语从句中常用一般现在时代替将来.Ifitdoesntrain,wewillgoonapicnic.Iwillcallyouassoonashecomesback.Youwillmakeprogressaslongasyouputyourheartonit.,.,(2)一般现在时还表示未来的不可改变的事件或不可改变的时间表。尤其go,come,leave,start等词中,Themeetingbeginsat9:00tomorrowmorning.Theplaintakesoffat9oclockinthemorning.,.,2.现在进行时,表示此时此刻或最近一段时间正在进行的动作。Thetelephoneisringing.Wouldyouanswerit,please?Listen,someoneissinging.IamhelpingmysisterwithherEnglishthissummerholiday.,.,注意:(1)现在进行时与always，continually，constantly,forever连用，表达一种情感。,Heisalwaysthinkingofhowhecandomoreforthepeople.Sheisalwayschangingclothes.,.,(2)有些词需要进行时可以表示将来，如come,go,leave,start,begin,arrive等，只是表达将来意味，不是时刻表。,Iamcomingtoseeyoutomorrow.HissisterisleavingforHefeinextmonth.,.,3.一般将来时,表示将来要发生的动作存在的状态。一般由（1）助动词will或shall+动词原形构成。（2）begoingto+动词原形构成。（3）beaboutto+动词原形（即将要发生的将来动作）Heisabouttoleavewhenthetelephonerings.(4)beto+动词原形（按义务，职责将要发生的事，命令的语气）Youaretohandintheteachersassignmentafterclass.,.,注意：will+V和begoingto+V在表示将来时态可以互换，但是will+V倾向表示临时决定将要做某事，begoingto+V倾向表示经过考虑，安排将去做某事;还可以表示将要发生的动作是有迹象表明的。whereisthemorningpaper?Iwillgetforyouatonce.Lookattheclouds.Itisgoingtorain.,.,实战演练1.Theteachersaidthattheearth_roundthesunin365days.A.moveB.movedC.movesD.hasmoved2.Iwillgoandmakesurewhenthenexttrain_.A.leftB.hasleftC.leavesD.istoleave,.,3.CanIuseyourdictionary?Sorry,I_it.A.usedB.haveusedC.amusingD.woulduse4.Dontbelievehim.He_.A.toldliesB.isalwaystellingliesC.isabouttotellliesD.isgoingtotelllies,.,5.Ateacheraswellassomeofhisstudents_treesinthegardennow.A.isplantingB.areplantingC.plantsD.plant6.Dr.Smith,togetherwithherwifeanddaughters,_visitBeijingthissummer.A.isgoingtoB.aregoingtoC.wasgoingtoD.weregoingto,.,7.I_youassoonashecomesback.A.tellB.amtellingC.wi