what have you been doing lately?

问题描述:

what have you been doing lately?
请帮忙分析下这问句中的been和doing做什么成分

What have you been doing lately?
最近你一直在做什么?
这是个主谓宾结构的句型,时态为现在完成进行时,表示从过去开始一直延续至今,并可能延续到将来.
主语:you
谓语:have been doing(即现在完成进行时的动词结构)
宾语:what
状语:lately