take a bike和ride a bike的区别

by bike与take a bike ride a bike

by bike 属于副词短语,指的是交通方式,

比如说别人问,你一般上学用什么交通工具,你回答“I go to school by bike”,

而ride a bike 属于动词短语,指的是动作,

别人问你说,你在干吗?你说：“I am riding a bike”(正在骑车)而不能说I am by bike,因为by bike 是指交通方式.