It being pretty late,成分怎么分析It being pretty late,they picked up everything for the picnic and headed home.为什么用It being
问题描述:
It being pretty late,成分怎么分析
It being pretty late,they picked up everything for the picnic and headed home.为什么用It being
答
这是一个独立主格结构,做原因状语,it 是独立主格结构中的主语,being pretty late是谓语.
因为天已经很晚了,他们收拾好野餐的所有东西,回家了.