swim与swimming的区别 它们的用法各是什么?

swim 为谓语动词,只能作句子谓语
swimming 为非谓语动词,属于非谓语动词中的动名词一种,具有名词的特性,可以作句子主语,宾语,以及定语,还表语等..
swim
及物动词 vt. & 不及物动词 vi.
1.游泳
He can swim well.
他游泳游得很好.
He has swum the English Channel three times.
他已三次游过英吉利海峡.
不及物动词 vi.
1.眩晕
He was hot and tired and his head was swimming.
他又热又累, 头晕目眩.
名词 n.
1.游泳
He goes for a swim every morning.
他每天早晨去游泳.
及物动词 vt.
1.浸；泡；洒满；充溢着
2.物体等仿佛在旋转,似在晃动(尤指生病或酒醉时的感觉)
swimming名词 n.
1.游泳, 游泳运动;游泳技巧
Swimming was one of her greatest satisfactions.
游泳是她最大的乐趣之一.
He broke several world swimming records at the 1996 Olympics.
他在1996年的奥运会上打破了好几项世界游泳纪录.