动词过去式的规则变化1.动词过去式,ed来结尾watch→watchedvisit→visitedwash→washed2.一般直接加,见e只加dlive→livedmovie→moviedhope→hoped3.重读辅元辅,双写尾字母stop双写+edpat↓↓↓辅音元音辅音pat→pattedstop→stopped4.辅y为结尾时,变y为i加ed辅音+ystudy→studiedcry→criedbegandrankgavesangswamsat一·字母“i”变成“a”开始喝给唱歌坐游泳begindrinkgiveSingSwimsitflyflew2、画drawdrewblowblew4、种植growgrewthrowthrew6、知道knowknew二、字母“ew”结尾1、飞3、吹5、扔1、感觉feelfelt2、保持keepkept3、睡觉sleepslept4、扫地sweepswept三、字母“pt”结尾1、买buybought2、想thinkthought1、抓catchcaught4、教teachtaught五、字母“aught”结尾四、字母“ought”结尾comecamebecomebecamegetgotforgetforgotbuyboughtthinkthoughtcatchcaughtteachtaughtstandstoodunderstandunderstoodriderodewritewrotedrivedrovespeakspokewakewokebeginbegandrinkdrankgivegavesingsangswimswamsitsatfeelfeltkeepkeptsleepsleptsweepswept来得到买抓站骑开车醒开始给游泳感觉睡觉变成原谅教写说话喝唱坐保管扫地认为明白verbPasttenseverbPasttenseam/iswashave/hashadareweregowentseesawsaysaiddodidwinwonbitebitdigdugeatatefallfelltelltoldrunrantaketookmakemadewearworecostcostcutcutletletputputreadread是做告诉看见咬吃拿穿花费让读有去说赢挖跑制造摔倒砍切放verbPasttenseverbPasttensefeedfedmeetmetflyflewdrawdrewblowblewgrowgrewthrowthrewknowknew知道喂飞吹遇见画长大投/抛