what about 句型为什么都不带动词?如what about bread for lunch?

问题描述:

what about 句型为什么都不带动词?如what about bread for lunch?
what about bread for lunch?而不是what about is bread for lunch?我记得每句话都得带动词(或be动词).

what about/ how about...是固定的用来提问XX怎么样/如何的表达法.
由于about是介词,所以其后只能跟名词或者动名词,而不能直接跟动词.