英语单词过去式答:单词过去式:规则的:return-returned,学习ask-asked ,play-played,jump-jumped,walk-walked,climb-climbed,turn-turned,teach-teached,learn-learned,row-rowed,watch-watched,wash-washed,look-looked,plant-planted,help-helped,work-worked,cook-cooked,clean-cleaned,open-opened answer-answered,listen-...