动词的时态(3)在时间、条件状语从句中，用一般现在时表示将来。eg:Ifitrainstomorrow,wewon’tgotothepark.(4)在某些以here,there开头的句子用一般现在时表示正在发生的动作。eg:Theregoesthebell.3.与一般现在时连用的时间状语（1）表示频度的副词：always,often,usually,sometimes等。(2)onSunday,onMondaymorning,everyday,inthemorning,atnight,everyyear等。(3)onceayear,twiceamonth,threetimesaweek等表示频率的短语。练习：1.It＿twentyhourstogotoGuangzhoubytrain.A.istakingB.aregoingtotakeC.takesD.hastaken2.---WhatdoesLindaoftendointheevening?---Sheoften＿herhomework,butontheeveningofApril12she＿TV.A.does,watchesB.isdoing,watchesC.does,watchedD.isdoing,waswatching3.Idon’tknowifmyuncle＿.Ifhe＿,Iwillbeveryhappy.A.comes,willcomeB.willcome,willcomeC.comes,comesD.willcome,comes二、一般过去时态1.构成：（1）be:was/were(2)do:did2.用法：（1）表示过去某时间发生的动作或存在的状态。eg:1)Igotupatsixthismorning.2)Wevisitedthefactorylastweek.(2)表示过去的习惯或经常发生的动作.（过去常常做某事也可用usedtodosth.来表示)eg:1)WhenIwasinthecountryside,Ioftenswamintheriver2)Heusedtowalkafterdinner.3.与一般过去时连用的时间状语：lastnight,yesterday,lastweek,someyearsago,in1995,inthepast,theotherday,justnow,atthattime等。注意：有一些容易变化错误的单词，如：prefer→preferred,fix→fixed,mix→mixed4.练习：(1)---IknockedintoatreewhenIwenttotherailwaystationformyfriend.---Isupposeyou＿toofast.A.driveB.aredrivingC.droveD.weredriving(2)Inthe49thWorldTableTennisChampionship,WangLiqin＿MaLinand＿thechampionoftheMen’sSingles.A.beat,beatB.won,wonC.beat,wonD.won,beat(3)---When＿yourbrother＿back?---Abouthalfanhourago.A.did,comeB.had,comeC.do,comeD.have,come(4)—Excuseme.Youshouldn’tsmokehere.Lookatthesign“NOSMOKINGHERE.”---Sorry,I＿it.A.doesn’tseeB.haven’tseenC.didn’tseeD.hadn’tseen三、一般将来时1.构成：（1）will＋be/do(2)begoingto＋be/do2.用法：（1）will＋be/do的用法①表示将来发生的动作或存在的状态。常与表示将来的时间状语连用，如：tomorrow,nextweek,inafewdays,nextSunday,in2008eg:1).TheywillleaveforShanghainextweek.2).Willyoubebackintwodays?②当主语是I或we时，问句中一般使用shall，表示征求对方意见。eg:Whereshallwemeettomorrow?⑵begoingto＋be/do的用法“计划、打算做某事”，表示已决定的、很可能发生的事，或有某种迹象表明要发生的事。eg:1)--WhatareyougoingtodonextSunday?--I’mgoingtoli