规则动词的过去式词尾变化有几种.doc

规则动词的过去式词尾变化有几种
　　1．一般情况下加ed，如watched, planted, watered, pulled, climbed, picked。
　　2．以不发音字母e结尾的加d，如liked, moved, tasted。
　　3．以辅音字母加y结尾的变y为i再加ed，如study——studied。
　　4．以1个元音字母加1个辅音字母结尾的重读闭音节，双写最后一个辅音字母再加ed如stop——stopped。
　　词尾读音有3种：
　　a．在浊辅音和元音后读[d]，如lived, watered, listened, played。
　　b．在清辅音后读[t]，如liked, helped, watched。
　　c．在[t],[d]音后读[Id]，如planted, wanted, handed(上交)。
　　不规则动词的过去式变化则没有什么规律，请大家背熟记牢：
　　sit —— sat throw —— threw am, is —— was
　　drink —— drank draw —— drew are —— were
　　sing —— sang fly ——flew do —— did
　　begin —— began grow —— grew have, has —— had
　　swim —— swam put —— put may —— might
　　give —— gave cut —— cut can —— could
　　ring —— rang let —— let shall ——should
　　run —— ran read —— read will —— would
　　ride —— rode catch —— caught go —— went
　　write —— wrote teach —— taught eat —— ate
　　drive —— drove think —— thought hear —— heard
　　keep —— kept buy —— bought see —— saw
　　sleep —— slept fight —— fought find —— found
　　sweep —— swept hold —— held wear —— wore
　　feel —— felt tell —— told meet —— met
　　come —— came get —— got mean —— meant
　　become —— became make —— made speak —— spoke
　　take —— took say —— said
　　1）is, am -was are-were
　　2) begin-began ring-rang drink-drank swim-swam give-gave
　　sing-sang sit-sat run-ran have-had make-made
　　come-came eat-ate
　　3) write-wrote ride-rode speak-spoke drive-drove stand-stood
　　tell-told win-won get-got take-took
　　4) sleep-slept sweep-swept feel-felt keep-kept
　　spell-spelt spend-spent bend-bent
　　meet-met go-went
　　5) know-knew fly-flew blow-blew grow-grew
　　throw-threw draw-drew (glow-glowed)
　　6) teach-taught catch-caught buy-bought
　　fight-fought think-thought
　　7) find-found hear-heard say-said lie-lay
　　see-saw learn-learnt mean-meant
　　8) put-put read-read cut-cut let-let