过去式和过去分词课件

Irregular verbs:1过去式和过去分词一致: bend，felt Fight，broughtbuild，dealt，built Buy，dugfeed，feel，caught deal，bent，dug，bentbring，fed，boughtcatch，found，had，fought，heard，caught，felt，built，fought find，found have，fed，dealt Dig，brought，had Hear，bought，hear，