一般现在时和一般过去时.ppt

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1、八、动词时态一般现在时与一般过去时一般现在时知识结构一般现在时构成用法常用时间1。主语+动词原形2。主语+动词的s/es1、表示经常、习惯性动作。Tomoftengoesswimming2、表示一种客观事实或真理。Themoonisround。always总是sometimes有时often/Usually经常everyday/week/year动词三人称单数形式的构成构成规则例词1、一般在动词原形末尾加–slooklooksstartstarts2、结尾是o,s,sh,ch,的动词加–esgo–goespass—passeswash–washeswatch

2、–watches3、结尾是“辅音字母+y”的动词,先变“y”为“i”再加-esstudy–studiescarry–carriesplay--plays(元音字母+y的，则不变）一、主语不是三人称单数时肯定：主+动词原形Weoftengoswimming.否定:don’t+动原Weoftendon’tgoswimming.疑问:Do+主+动原…?Doyouoftengoswimming?Yes,wedo./No,wedon’t.Ioften____letterstomyfriend.(write)Theyusually___playingfootballaf

3、terschool.(like)Sometimeswe_________inPEclass.(notrun)When___you____upeveryday?(get)Thestudents_______lessonsonSunday.(nothave)二、主语为三人称单数时,肯定：主+动词的s/esTomoftengoesswimming.否定:doesn’t+动原Tomoftendoesn’tgoswimming.疑问:does+主+动原…?DoesTomoftengoswimming?Yes,hedoes./No,hedoesn’t.1.Jack___

4、togotoschoolbybikeeveryday.(have)2.Mymotheroften___towork.(walk)3.SometimesLucy_________lunchathome.(nothave)4.Where___yoursister____?(work)1.He______Englishinaschool.I_____mathsinaschool.(teach)2.Ioften_______________TV.(watch)Mybrotheroften_________books.(read)3.He_____________cl

5、asseseveryday.(have)4.They____________shoppingonMonday.(notgo)5.Tom__________abikeeveryday.(notride)6.Myparents_____________(notlike)fish.8.What_______you___?(do)9.Where______youruncle_______?(live)10.When________sheusually______up?(get)teachesteachwatchreadshasdon’tgodoesn’tridedo

6、n’tlikedododoesworkdoesget一般过去时知识结构一般过去时构成用法常用时间主语+动词的过去式1、表示过去某个时间发生的动作或存在的状态。2、表示过去经常或反复发生的动作。yesterdaylastnightin1990twodaysago规则动词过去式的构成构成规则例词1、一般在动词原形末尾加–edlooklookedplayplayedstartstarted2、结尾是e的动词加--dlivelivedhopehopeduseused3、末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加—edstopstoppedplanp

7、lannedtriptripped4、结尾是“辅音字母+y”的动词，先变“y”为“i”再加—edstudystudiedcarrycarried用法1、表示过去某个时间发生的动作或存在的状态。Hewashereyesterday.Igotupatsixthirtyyesterdaymorning.Myfatherwasatworkyesterdayafternoon.Didyouhaveagoodtimelastsummer?2、表示过去经常或反复发生的动作。Myfatheroftenwenttoworkbybuslastyear.WhenIwasachil

8、d,Ioftenlistenedtomusic.构成