He sat there,waiting for his son,这里的伴随状语为什么要用ing形式啊 ed不行吗 ed是代表过去的呀
问题描述：
He sat there,waiting for his son,这里的伴随状语为什么要用ing形式啊 ed不行吗 ed是代表过去的呀
答
ing表进行
He sat there,waiting for his son,这里的伴随状语为什么要用ing形式啊 ed不行吗 ed是代表过去的呀
ing表进行