..一般情况下:动词的过去分词就是这个动词的过去式形式规则动词的HYPERLINK"http://wenwen.soso.com/z/Search.e?sp=S%E8%BF%87%E5%8E%BB%E5%BC%8F&ch=w.search.yjjlink&cid=w.search.yjjlink"\t"_blank"过去式变化如下：一般情况下，动词词尾加-ed，如：workedplayedwantedacted以不发音的-e结尾动词，动词词尾加-d，如：livedmoveddecideddeclinedhopedjudgedraisedwiped以HYPERLINK"http://wenwen.soso.com/z/Search.e?sp=S%E8%BE%85%E9%9F%B3%E5%AD%97%E6%AF%8D&ch=w.search.yjjlink&cid=w.search.yjjlink"\t"_blank"辅音字母+y结尾的动词，把-y变为-i再加-ed，如：studiedtriedcopiedjustifiedcriedcarriedembodiedemptied以一个辅音字母结尾的HYPERLINK"http://wenwen.soso.com/z/Search.e?sp=S%E9%87%8D%E8%AF%BB%E9%97%AD%E9%9F%B3%E8%8A%82&ch=w.search.yjjlink&cid=w.search.yjjlink"\t"_blank"重读闭音节动词，双写词尾辅音字母，再加-ed，如：stoppedbeggedfretteddraggeddroppedplanneddotteddripped注：HYPERLINK"http://wenwen.soso.com/z/Search.e?sp=S%E4%B8%8D%E8%A7%84%E5%88%99%E5%8A%A8%E8%AF%8D&ch=w.search.yjjlink&cid=w.search.yjjlink"\t"_blank"不规则动词的过去式变化规律性不强，须多加记忆。go-wentmake-madeget-gotbuy-boughtcome-camefly-flew动词过去式,过去分词不规则变化AB型cancouldshallshouldwillwouldmaymightAAA型costcostcostcutcutcuthithithithurthurthurtletletletmustmustmustputputputsetsetsetshutshutshutreadreadreadAAB型beatbeatbeatenABA型becomebecamebecomecomecamecomerunranrunABB型bringbroughtbroughtbuyboughtboughtthinkthoughtthoughtcatchcaughtcaughtteachtaughttaughtbuildbuiltbuiltlendlentlentsendsentsentspendspentspentdigdugdughanghunghungfeelfeltfeltkeepkeptkeptsleepsleptsleptsweepsweptsweptleaveleftleftsmellsmeltsmeltspillspiltspiltlaylaidlaidpaypaidpaidsaysaidsaidsellsoldsoldtelltoldtoldsitsatsatspitspatspatstandstoodstoodunderstandunderstoodunderstoodlearnlearntlearntmeanmeantmeantspoilspoiltspoiltshineshoneshonewinwonwonhavehadhadmakemademadehearheardheardfindfoundfoundholdheldheldABC型beginbeganbegundrinkdrankdrunkringrangrungsingsangsungsinksanksunkswimswamswumblowblewblownflyflewflowngrowgrewgrownknowknewknownthrowthrewthrowndrawdrewdrawnshowshowedshownbreakbrokebrokenchoosechosechosenforgetforgotforgottenfreezefrozefrozenspeakspokespokenwakewokewokendrivedrovedrive