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1、初三英语专题复习之动词的时态动词的时态一、一般现在时态1.构成:(1)be:am/is/are(2)do:do/does2.用法:(1)表示经常性或习惯性的动作或存在的状态。与often,always,usually,sometimes,onceaweek,everyday等表示频度的副词或时间状语连用。eg:Ioftengotoschoolbybike.(2)表示客观事实或普遍真理。eg:Theearthgoesaroundthesun.(3)在时间、条件状语从句中,用一般现在时表示将来。eg
2、: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,th
3、reetimesaweek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.isd
4、oing,waswatching3.Idon’tknowifmyuncle_.Ifhe_,Iwillbeveryhappy.A.comes,willcomeB.willcome,willcomeC.comes,comesD.willcome,comesCDc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.
5、(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:pre
6、fer→preferred,fix→fixed,mix→mixed4.练习:(1)---IknockedintoatreewhenIwenttotherailwaystationformyfriend.---Isupposeyou_toofast.A.driveB.aredrivingC.droveD.weredrivingC(2)Inthe49thWorldTableTennisChampionship,WangLiqin_MaLinand_thechampionoftheMen’sSingl
7、es.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.h
8、adn’tseenCAC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