英语句子主语increasing it yould be an eggctive way of reducing wmissiongs as well as easing congestion.请问句子的主语是什么?increasing是句子的什么成分?为什么要用it来替代increasing,不直接用increasing?这是种什么用法?我没见过,请知道的老师详解

问题描述:

英语句子主语
increasing it yould be an eggctive way of reducing wmissiongs as well as easing congestion.请问句子的主语是什么?increasing是句子的什么成分?为什么要用it来替代increasing,不直接用increasing?这是种什么用法?我没见过,请知道的老师详解

Incresing 动词的ing形式作主语