一般过去式课件.ppt

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1、知识结构一般过去时结构含义提示词(时间)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。yesterdaylastnight/weekin1990OnSundaymorning动词的过去式(规则变化)构成方法原形过去式一般情况在动词原形后加-edwantanswerwantedanswered以字母e结尾的动词，只加-dmovediemoveddied以“辅音字母+y”结尾的动词，把y改为i,再加-edcarrycrycarriedcried重读闭音节中、以“辅+元+辅”结尾，先双写

2、该辅音字母，再加-edstopplanstoppedplanned动词过去式知多少？（小组合作探究学习：请观察给出的动词，你能写出其它动词的过去式吗？）1)want-wanted2)live--lived3)study–studiedclean–cleaneddance–dancedplay–playedturn______taste_______stay_______happen______waste_______cry________wish_________agree_______merry_______4)stop—

3、stoppedshop_______你知道下列动词的过去式吗？do______go______have_____is_____Whatdidtheydolastweek?.Theyplayedbasketball.Whatdidshedolastweeked?Shedidherhomewok.Whatdidtheydolastweekend?Theyhadaparty.Be动词的一般过去时(1)肯定句式：主语+was/were+其它.(2)否定句式：主语+wasn’t/weren’t+其它.(3)一般疑问句：Was/Were

4、+主语+其它？肯定回答：Yes，主语+was/were.否定回答：No，主语+wasn’t/weren’t.(4)特殊疑问词+was/were+主语+其他？二一般过去时的结构（可分三类不同的结构）am/is---wasare---werewasn’t=wasnotweren’t=werenot肯定句：Theairwascleanyesterday.否定句：Theairwasn'tcleanyesterday.一般疑问句：Wastheaircleanyesterday?肯定回答：Yes,itwas.否定回答：No,itwasn

5、't.特殊疑问句：Howwastheairyesterday?2.行为动词(v.)的一般过去时态(1)肯定句式：主语+v-ed+其它.(2)否定句式：主语+didn’t+v原形+其它.(3)一般疑问句：Did+主语+v原形+其它？肯定回答：Yes，主语+did.否定回答：No，主语+didn’t.(4)特殊疑问词+did+主语+v.原形+其他？【do,does---did】【didnot=didn’t】肯定句：IrodeahorselastSunday.（1）（2）否定句：Ididn‘trideahorselastSunda

6、y.一般疑问句:DidyourideahorselastSunday?肯定回答：Yes,Idid.否定回答：No,Ididn't.特殊疑问句:（1）WhatdidyoudolastSunday?（2）Whendidyourideahorse?Didyou......yesterday?Yes,Idid./No,Ididn't.playbasketballwatchTVplaycomputergamesDidhe/she......yesterday?Yes,he/shedid.No,he/shedidn't.talkwith

7、afarmerwatchthestarsstayathomeplaytennisgoridedoisarehaveeatbuysee写出下列动词的过去式。pickvisitwatchclimbstudyworryplaylivestopwentrodedidwaswerehadateboughtsawpickedvisitedwatchedclimbedstudiedworriedplayedlivedstopped规则动词不规则动词B:I_____tothemovie.A:What___youdoyesterday?did

8、wentA:What___youdolastweekend?B:I___myhomework.diddidExercisescleantheroomgotothelibrary,borrowsomebooksplaysoccerwithsbwatchTVwithmyfamilydohome