初中语法总复习动词之三-一般现在时和一般过去时

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/es(第三人称单数）1、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/yearhowoftentwiceaweek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—passes

wash–washeswatch–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、主语不是第三人称单数时

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_____playingfootballafterschool.(like)Sometimeswe_________inPEclass.(notrun)When_____they_____upeveryday?(get)Thestudents________lessonsonSunday.(nothave)writelikedon’trundogetdon’thave二、主语为第三人称单数时,

肯定：主+动词的s/es

Tomoftengoesswimming.否定:doesn’t+动原Tomoftendoesn’tgoswimming.疑问:does+主+动原…?DoesTomoftengoswimming?Yes,hedoes./No,hedoesn’t.1.Jack_______togotoschoolbybikeeveryday.(have)2.Mymotheroften______towork.(walk)3.SometimesLucy_____________lunchathome.(nothave)4.Where______yoursister________?(work)

haswalksdoesn’thavedoeswork

1.He_______Englishinaschool.I______mathsinaschool.(teach)2.Ioften_______________TV.(watch)Mybrotheroften_________books.(read)3.He_____________classeseveryday.(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’tridedon’tlikedododoesworkdoesget请注意区分名词的单复数和动词第三人称单数的区别：可数名词超过一个，名词要变复数:abook---threebooksawolf---fivewolves

第三人称单数做主语，谓语动词要用单数

Heis

astudent.Weare

students.Sheoften

works

lateintothenight.Andashermanager,Peter

issatisfiedwithher.考查热点：如果主句为一般将来时，if，unless等引导的条件状语从句和when，until，assoonas,before,after等引导的时间状语从句常用一般现在时表示将来。---Whataboutgoingclimbingifit

doesn't

rain

tomorrow?---Goodidea.We

will

goclimbingifit

is

finetomorrow.---He

willwrite

tousassoonashe

gets

there/home.一般过去时知识结构一般过去时用法常用时间主语+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构成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—edstop

stoppedplan

plannedtrip

tripped4、结尾是“辅音字母+y”的动词，先变“y”为“i”再加—edstudy

studiedcarry

carried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.WhenIwasachild,Ioftenlistenedtomusic.构成

肯定：主+动词过去式

Wewentswimminglastweekend.否定:didn’t+动原Wedidn’tgoswimminglastweekend.疑问:Did+主+动原…?Didyougoswimminglastweekend?Yes,wedid./No,wedidn’t.I_________letterstomyfriendlastnight.(write)They_______playingfootballafterschoolayearago.(like)we_______________PEclassyesterday.(nothave)Where______you_______lastSunday?(go)They_________theGreatWallin1998.(visit)wrotelikeddidn’thavedidgovisitedYesterdayafternoon,littleTommycamehomecrying.Hismotherwassurprisedandaskedhim,“Whatareyoucryingfor,dear?”LittleTommyanswered:“TheteacherkeptmeinforsomethingIdidn’tdo.”Hismotherwasevenmoresurprisedandaskedagain,“Somethingyoudidn’tdo?”Whatwasit?”Tommysaid,“M-m,mylessons.”PRACTISE改写句子：1、Lucydidherhomeworkathome.（改否定句）Lucy______________herhomeworkathome.2、Hefoundsomemeatinthefridge.（变一般疑问句)______he___________meatinthefridge?3、Shestayedthereforaweek.（对划