swim的过去式和过去分词分别是什么
过去式swam, 过去分词swum, she swam yesterday.她昨天游泳去了。 i had swum in the past.我过去游过泳。 she can swim.她会游泳。 let's go swimming.我们去游泳吧。 she doesn't like swimming.她不喜欢游泳。 i can not swim.我不会游泳。建议你结合英语句子中记忆单词...
过去式swam, 过去分词swum, she swam yesterday.她昨天游泳去了。 i had swum in the past.我过去游过泳。 she can swim.她会游泳。 let's go swimming.我们去游泳吧。 she doesn't like swimming.她不喜欢游泳。 i can not swim.我不会游泳。建议你结合英语句子中记忆单词...