are doing some reading为什么doing和reading要同时加ing?

问题描述:

are doing some reading为什么doing和reading要同时加ing?

are doing是现在进行时态
doing some reading是固定搭配表示阅读
eg:I'd like to do some reading on the plane.
我想在飞机上读点儿书.可以把READ看成动名词吗?那么do some looking是什么意思,也可以这样理解吗?do some looking 读书