规则动词的过去式变化如下: 一般情况下,动词词尾加 ed ,如: workworked; playplayed;want wanted; actacted 以不发音的 e 结尾动词,动词词尾加 d,如: livelived; movemoved; decidedecided; declinedeclined; hopehoped; 以辅音字母 + y结尾的动词,把y变为i 再加ed,如: studied tried copied justified cried carried embodied emptied 以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加 ed,如: stopped begged fretted dragged dropped planned dotted dripped (5)注:不规则动词的过去式变化规律性不强,须多加记忆。 go - went,make - made,get - got ,buy - bought ,come - came ,fly-flew ,is/a