一般情况下，动词词尾加ed，如：worked played wanted acted。

以不发音的'e结尾动词，动词词尾加d，如：lived moved decided declined hoped judged raised wiped。

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。