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。