为什么went to swimming是错的

为什么went to swimming是错的 I went to swimming.swimming不是swim的ing形式吗?它在这个句子中做什么成分,为什么不用s went swimming 为什么swim要加ing 是went shopping 还是went to shopping,为什么? 为什么泳裤的英语单词是swimming trunk? The boys went swimming in the river 请问为什么went用过去时 swimming却用 I went swimming on saturday.的问句 I want to go swimming.为什么是swimming而不是swim?有同义句吗. Do you want to go swimming on Saturday?请问：swimming为什么是进行时态? 第一个He went swimming last week.划线部分提问.划线部分是went swimming. 为什么“Mr Smith went to a restaurant have supper'是错的 要把have改成fo ----------,we went swimming