EnglishBasicTenses(时态)他昨天来了.他已经来了.他明天来.汉语借助词汇手段而非词的形态变化来表示动作的发生,而英语主要通过谓语动词时态变化来表现.任何句子都要先注意时态.一.一般现在时1.结构:(do,does)否定式：don’t/doesn't+do2.用法:1)经常性或习惯性的动作，常与表示频率的时间状语连用，如often,usually,every…,sometimes,onSundays等。二.一般过去时1.结构:谓动用动词过去式(did)否定用didn’t+do2.用法:在过去时间里所发生的动作或存在的状态。常与表示过去时间的时间状语连用。如yesterday,lastweek,anhourago,in1982等。四.过去将来时五.现在进行时3)现在进行时用来表示按计划即将发生的动作,多用于表示移动的动词,如:come,go,start,arrive,leave,stay.I’mleavingtomorrow.Areyoustayingheretillnextweek?六.过去进行时七.现在完成时2).表示发生在过去的某一动作对现在造成的影响或结果,常用的时间状语有:just,already,yet,ever,never,等等.Wehavefinishedourlunchalready.Haveyouevertriedthismethod?八.过去完成时Whenthepolicearrived,thethieves_________________(runaway).WhenIcameintotheclassroom,mydearstudents______________(begin)reading.ExercisesIusually____upat6:00,butyesterdayI______upat7:00andtomorrowI_________upat6:30.(get)Listen!Someone____________(knock)atthedoor.I___________(be)inBeijingfortwoyears.Howoften_____Andy_______(surf)theinternet?Hefellasleepwhilehe___________(read)abook.6.I________never_______(hear)ofthatmanbefore.7.Mybrotheroften_________(go)forwalkslastsummer.8.Lilysaidshe_______(put)onthenewdressthenextday.9.______thestory________(happen)inLondonin1949?10.What______hismother______(do)whenheopenedthedoor?11.Ifit______________(notrain)tomorrow,they___________(go)fishing.12.______yourmother________thepianoeverySunday?13.They_______(not)callyouthedayaftertomorrow.14.Tom_____________(work)theresincetwoyearsago.15.BythetimeI_________(walk)intotheclassroom,theteacher___________(start)teaching.动词的语态(voice)动词的语态Wewatchedafilmlastnight.Idrinkmilkeveryday.Afilm_________________________.Milk___________________________.Summary(总结):is/was+done(p.p)Will/wouldbedone新电脑下周将投入使用。Thenewcomputerswillbeusednextweek.妈妈告诉我我的自行车明天去修。Mymothertoldmethatmybikewouldberepairedthenextday.am/is/arebeingdonewas/werebeingdone中国国家大剧院正在建设当中。TheNationalOperaBuildingisbeingbuiltatpresent.has/havebeendonehadbeendone这个问题已经得到了圆满的解决。Theproblem