suddly he heard her opening the door 分析句子成分,并说明现在分词的用法.

问题描述:

suddly he heard her opening the door 分析句子成分,并说明现在分词的用法.

suddenly(状语) he(主语) heard(谓语) her opening the door(宾语)
现在分词在这个句子的用法:
hear sb's doing sth