swim过去分词过去

swim的过去分式swim----swam----swum{0}2，swim的过去式和过去分词分别是什么其实可以去一些在线字典查的....swim过去式swam/sw?m/过去分词swum/sw?m/{1}3，swim的过去分词过去分词swum现在分词swimming有不明白的地方再问哟，祝你学习进步，更上一层楼！(*^__^*)swim-swam-swum过去式:swam，过去分词:swum，现在分词:swimming.{2}4，swim过去分词swim过去分词是swum是不规则变化swimswam...