后加-s或-es。如：Tomoftenhelpshisparentsdohouseworkathome.SometimesLucywashesherclothesherself. 表示經(jīng)常性或習慣性的動作或狀態(tài)。如：Ioftengotoschoolbybike.TheearthgoesaroundtheIfitrainstomorrow,wewon’tgotothepark.WhenIgrowup,IwillgotoAmerica.TheregoestheLastweekTommadeamodelplanewithhisfriendIgotupatsixthismorning.Wevisitedthefactorylastoftenswaminthewater.TheywillleaveforShanghainextweek.Willyoubebackintwodays?“begoingto+動詞原形”表示計劃、打算做某事，或有某種跡象表明要發(fā)WhatareyougoingtodonextLookattheclouds,thereisgoingtobeaWeareleavingforLondon.Sheisgoingtheretomorrow.Beaboutto+beto+動詞原形表示即將發(fā)生的動作。如：Iwasabouttoleavewhenthephonerang. WhatareyouTheyarestudyinghardthisIamgoingtoBeijingthisHaveyouhadyourlunchyet?Yes,Ihave.Ihavejusthadit.Ihavelostmypen.since連用。如：WehavelivedheresinceIhavebeeninBeijingfortwoWhatwereyoudoingatninelastnight?IwaswatchingTVatthattime.ShewasalwayschangingherShehadleftbythetimeIHehadlivedinShanghaifortenyearsbeforehecamehere.Laolidiedyesterday.Hehadbeenagoodfriendofmine.HesaidhewouldbuysomefruitforhisTheyweregoingtostartanewjobwhenIsawthemthen.1）a.近指。如：Thisismypen.Thesearemybooks.Pleaserememberthis:nopains,noThatisherHewasill.Thatwaswhyhedidn’tgotothis，that：ThisisMikeWhoisThebookonthedeskisnotmine.It’sWhat’sthat?It’sapencil.Someoneisknockingatthedoor.PleasegoandseewhoitWhatisthetimenow?It’steno’clock.What’stheweatherlikeIt’sHowfarisitfromyourschooltoyour1）Itis+adj+(forsb)+todosth.ItisimportantforustoworkItistimetodo/for/thatItistimetogetup/forlunch/thatwewentItseemsIt’sone’sturntoItis+adj+thatDoyouthinkitnecessarytolearntowaiti