时态专题复习一、一般现在时：（1、现在的状态。2、经常或习惯性动作。3、主语所具备的性格和能力。4、真理。）1、标志：often（经常）,usually（通常）,sometimes（有时）,always（总是）,never（从不）,onSundays（在星期天）,everyday/month/year（每一天/月/年）2、结构：（1）主语+连系动词be(am/is/are)+名词/形容词/数词/介词短语/副词等做表语表状态（包括Therebe+n.）练习：1.I_____(be)astudent.Myname____(be)Tom.2.Where____(be)myshoes?They___(be)here.3.Who____(be)thegirlwithlongstraighthair?Ithinkshe___(be)Kate.4.YouandI___(notbe)inClassSix.5.___(be)thereasupermarketontheFifthAvenue?Yes,there_____(be).6.____herparenttall?No,he____.（2）主语（非第三人称单数）+行为动词原形+其他（用助动词do帮助构成否定句、一般疑问句和特殊疑问）（3）主语（第三人称单数）+行为动词的第三人称单数+其他（用助动词does帮助构成否定句、一般疑问句和特殊疑问句）行为动词第三人称单数加-s的形式1.-s2.辅音+y:study-studies3.以s,x,ch,sh结尾watch-watchesteach-teaches4特殊have-hasdo-doesgo-goes练习：肯定句1)Hisparents_______(watch)TVeverynight.1)Mybrother_________(do)homeworkeveryday.否定句2)Hisparents_________(notwatch)everynight.2)Mybrother________(notdo)homeworkeveryday.一般疑3)_____hisparents_____(watch)TVeverynight?Yes,they_______.No,they_______3)______yourbrother_____homeworkeveryday?Yes,he______.No,he_________.特疑4)When___hisparents_____(watch)TV?TheywatchTVeverynight.4)When_____yourbrother____(do)homework?Hedoeshomeworkeveryday.二、现在进行时：1.定义：表示现在正在进行的动作或当前一段时间正进行的动作.2.结构:be(am,is,are)+动词现在分词(-ingform)常见的表示时间的词语:Iamdoinghomeworknow.Look!Tomisplayingsoccer.Listen!TheyarereadingEnglish.Whereisyourmother?Sheiscookingdinner.***现在分词的构成规则如下:1)一般动词后直接加-ing.如：reading,watchseedoplay2)以不发音的e结尾的词去掉e再加-ing.如:make—makingwritetake3)以重读、闭音、单辅音字母结尾的词，双写这个辅音字母，再加-ing.如:get-getting,swimputrunsitbeginstar现在进行时的其他变化:1.否定句形式:直接在be动词后加not如：Themanisn’trunning.Heiswalkingfast.2.一般疑问句形式:把be动词提到句首如：Isthemanplayingtheguitar?Yes,heis.3.对画线部分提问：What+be+主语＋doing?(be动词要和主语保持一致）用所给词的适当形式填空：1.Look!Thecat__________(run)upthetree.2.Herparents__________(have)breakfastnow.3.--___he________(clean)theroom?--No,heisn’t.4.Tom__________(play)thepianointheroom.Pleaseaskhimtocomehere.5.Listen!They____________(sing)intheclassroom.6.It’s8o’clock.We____________(watch)TV.7.Thatsounds____(well).8._______theydoing?They’reswimming.9.Let’s____(sing)thesongnow.10.Benwants____(go)tothemoviesthisevening.11.—Wherearethey?—They__________(read)inthelibrary.按要求句型转换。1.Heisdoinghishomeworknow.(变为否定句）Hedoinghishomeworknow.2.TheyarewatchingTV.（对划线部分提问）3.Sheisreading.（变为一般疑问句，并否定回答，用括号里的词填空）?No,she.She(write).4.Lindausuallygetsupatsix.(用now替代usually改写句子)5.Youaredoingyourhomework.(用“I”作主语改写句子)三、一般过去式。表示过去某一时间或某一段时间发生的动作或存在的状态，常和表示过去的时间状语连用，如：in2000,twodaysago，yesterday,lastnight等。一般过去式也表示过去经常或反复发生的动作，常和often,always等表示频度的时间状语连用。如，Healwayswentschoolbybuslastyear.动词过去式的构成分规则与不规则两类。规则动词过去式的构成和发音如下：构成规则原形过去式读音一般情况在词尾+edplay,stay,clean,listen,look,help,wait,start,sound,visit,清辅音后面读作/t/;元...
