你喜欢游泳吗用英语怎么说得在swim前面加ing么?我觉得应该不用哇~

Do you like swimming?
swim是动词原形,而swimming是动词swim的—ing形式.我们知道,动词原形在句子中可以用作谓语；而动词的-ing形式在句子中不可以作谓语,动词的这种形式称为动词的非谓语形式.在句子中可以做主语,宾语,表语或状语等.
如：I often swim in the river.
Swimming is very interesting.
She likes swimming very much.
His hobby is swimming.