专四语法题中的问题:This may have preserved the elephant from being wiped out as well as other animals hunted in africa. 这里为什么要用hunt的过去分词形式呢? 谢谢!

专四语法题中的问题:
This may have preserved the elephant from being wiped out as well as other animals hunted in africa. 这里为什么要用hunt的过去分词形式呢? 谢谢!

ANIMAL是被杀的,所以要用过去分词形式表示被动.