一般过去时•（一）一般过去时的用法：•一般过去时表示过去某个时间里发生的动作或状态，也可表示过去习惯性或经常性的动作和行为。•Ididmyhomeworklastnight.•Shewalkedtoschooleverydaylastyear.•（二）一般过去时的谓语构成•1.be动词的过去式构成•2.行为动词的过去式构成•Hewaslateforschoolyesterdaymorning.•Iwenttotheparkwithmyparentslastweekend.（三）常与一般过去时连用的时间状语•yesterday,thedaybeforeyesterday,lastweekend(year,week,month,night…),in2007,threedays(years,weeks,months…)ago,justnow,longlongago,oneday.（四）动词过去式的构成•1.规则动词过去式的构成•1）一般动词在词尾直接加-ed•play—playedclean—cleanedwalk—walkedlook→looked•2）以e结尾的动词直接加-d•like—likedlive→livedpractice—practiceddance→danced•3）以辅音字母加y结尾的，先变y为i，再加-ed•study—studiedcarry→carriedworry—worried•4）以一个辅音字母结尾的重读闭音节，双写最后一个辅音字母，再加-ed•stop—stoppeddrop—droppedshop—shoppedtrip—tripped•2.不规则动词•do—didgo—wentread—readsee—sawsit—satwrite—wroteget—gothear—heardknow—knewbring—broughtbuy—boughtcome—camebegin—begangive—gave（五）句式变化•1.肯定句：主语+be动词∕实义动词∕情态动词的过去式+其它成份•Wewereathomelastnight.•Theystudiedforthemathtest.•Icouldanswerthequestion.•2.否定句：1）主语+be动词∕情态动词过去式+not+其它成分•Hewasn’thappylastFriday.•Theycouldn’topenthedoor.•2）主语+didn’t+实义动词原形+其它成分•Thegirldidn’tplaycomputergamesyesterdayafternoon.•3.一般疑问句及其回答•1）把be的过去式∕情态动词的过去式提到主语之前，肯定回答：Yes,主+be动词/情态动词过去式。否定回答：No,主+be动词/情态动词过去式+not。•Wereyougoodatmathwhenyouwereastudent?•Yes,Iwas.No,Iwasn’t.•Couldyouswimlastyear?Yes,Icould.No,Icouldn’t.•2）Did+主语+实义动词原形+其它成份。•肯定回答：Yes,主语+did•否定回答：No,主语+didn’t•Didtheycleantheclassroomyesterday?Yes,theydid.No,theydidn’t.•4.特殊疑问句：疑问词+一般疑问句？•Wherewerethechildren?•Whendidyougetupthismorning?
