游泳课的英文

swimming lesson （游泳课）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.