she turned a suitcase into a bed and put the children inside it,covering them
问题描述：
she turned a suitcase into a bed and put the children inside it,covering them
with all the clothes she could find.请问covering为什么加ing,然后she could find,这是一个什么句,及是什么语法,好像是修饰前面句子的
答
covering是现在分词,引导的短语作伴随状语,由于不是句子,故用了非谓语动词形式.
that she could find是clothes定语从句.