Unit2It’sShowTime!阶段专题复习一般过去时【观察领悟】写出下列动词的过去式并体会变化规则。1.play________clean________work________2.live________invite________dance________believe________realize________3.study________carry________cry________答案：1.played;cleaned;worked2.lived;invited;danced;believed;realized3.studied;carried;cried4.shop_______stop_______5.lead_______leave_______send_______hit_______hold________ring_______build_______bring______答案：4.shopped;stopped5.led;left;sent;hit;held;rang;built;brought【探究总结】（一）概念及构成1.概念。一般过去时表示过去某个时间发生的动作或存在的状态，也可以表示过去经常反复发生的动作。常和表示过去的时间状语连用，如ago,lastyear,yesterday等。例如：Lilyalwayswalkedtoschoollastyear.去年莉莉总是步行去上学。2.构成。主语+动词过去式+其他。例如：LiMing’sfamilywenttoBeijinglastweek.李明一家上周去了北京。Thelittlegirlwasjusttenyearsoldlastyear.这个小女孩去年才十岁。（二）动词过去式的构成1.规则动词过去式的构成规则。构成规则例词一般在动词原形后直接加-edask-asked,call-called,happen-happened,join-joined,want-wanted以不发音的字母e结尾的动词直接加-darrive-arrived,close-closed,invite-invited,like-liked,live-lived,move-moved构成规则例词词尾只有一个辅音字母的重读闭音节的动词,先双写这个辅音字母再加-edstop-stopped,hug-hugged,plan-planned,shop-shopped,trip-tripped以辅音字母+y结尾的动词,变y为i,再加-edcry-cried,dry-dried,study-studied,try-tried,worry-worried2.常见的不规则动词的过去式。am/is-was,are-were,go-went,come-came,do-did,have-had,write-wrote,see-saw,eat-ate,buy-bought,fall-fell,hurt-hurt,build-built,say-said,take-took,break-broke,fly-flew,find-found,give-gave,sleep-slept,hear-heard,meet-met,bring-brought。一般过去时的句式变化肯定句主语+动词过去式+其他WangMeiwasinthelibraryjustnow.刚才王梅在图书馆里。Hewenttothetoystoreyesterday.昨天他去了玩具店。否定句①如果是be或情态动词,在be或情态动词后直接加not②如果是实义动词,在实义动词前加didn’t,动词变回原形WangMeiwasn’tinthelibraryjustnow.刚才王梅不在图书馆。Hedidn’tgotothetoystoreyesterday.昨天他...
