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1、一般过去时一、一般过去时的定义1.表示过去某个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:yesterday,lastnight,in1990,twodaysago等;Iwasatthezooyesterday.Iwenttobedatelevenlastnight.2.表示过去经常或反复发生的动作,常和表示频度的时间状语连用。WhenIwasachild,Ioftenplayedfootballinthestreet.Myfatheroftendrovetoworklastyear.二、一般过去时的构成1.在表示某个时间里存在
2、的状态主语+be的过去式(was,were)+其它。Be的过去式的用法:was用于我(I)、他(he)、她(she)、它(it),复数(we,you,they)全部都用were.Iwasathomeyesterday.Wewereinthegymjustnow.2.在表示过去某个时间里发生的动作主语+动词的过去式+其它。★三、动词过去式变化规则:1.一般在动词末尾加-ed,如:wash—_______play—_______2.结尾是e加d,如:dance—dancedlove—_____live—________3.以“辅音字母+y”结尾的,
3、变y为i,再加-ed,如:carry—carriedstudy—_______4.末尾只有一个元音字母和一个辅音字母的重读闭音节,应双写末尾的辅音字母,再加-ed,如:stop-_______5.不规则动词过去式:(注:除去不规则变化动词,其他动词都是规则变化)原型过去式原型过去式原型过去式原型过去式am/iswasleaveleftgowentmakemadearewerecomecamebuyboughtwritewrotedodidhavehaddrinkdrankdrawdrewseesaweatateswimswamflyflewsa
4、ysaidtaketookreadreadriderodegivegaverunranputputspeakspokegetgotsingsang四、一般过去时态的“三变”技巧一变:肯定句变为否定句【技巧1】当句中含有情态动词或助动词could,would,等时,可直接在其后面加not构成否定句。例如:Icouldgetyouabook.→Icouldnot/couldn'tgetyouabook.【技巧2】当句中含有系动词was,were时,可直接在其后加not构成否定句。例如:Iwas athome whenyoucalledme.→Iwa
5、snot/wasn't athome whenyoucalledme.【技巧3】当句中谓语是除情态动词、助动词、系动词was,were以外的动词时,在该动词之前加didnot/didn't,动词还原,构成否定句。例如:The singersangsomeChinesesongs.→The singerdidnot/didn'tsinganyChinesesongs.二变:陈述句变为一般疑问句【技巧1】移动词语的位置。将was,were,could,would,should等移到句首。例如:Hecould read it .→Couldher
6、eadit?【技巧2】添加助动词did。谓语是除情态动词、助动词、系动词was,were以外的动词时,在主语之前加did,动词还原。例如:MissZhanglooked veryold.→DidMissZhanglookveryold?三变:陈述句变为特殊疑问句【技巧1】确定疑问词:人who/whom,物what,地点where,时间when/whattime,原因why,频率howoften,长度howlong,距离howfar等等。例如:Theygavethemooncakelastnight.→Whendidtheygive them
7、ooncake?【技巧2】辨认结构形式:疑问词+情态动词/助动词/was/were/did+主语+...?例如: Heplayedbasketballatschool yesterday.→Wheredidheplayedbasketball yesterday?一般过去时用法专练:一、写出下列单词的过去式。1,look_________2,live________3,stop________4,carry________5,hope________6.call________7,finish_______8,are__________9,w
8、ant________10,go________11,have_______12,do__________13.want_________14.get