Fear,if left unchecked,can destroy our lives.Fear is one of the many enemies lurking inside us.这句话中的 if left unchecked作为

问题描述:

Fear,if left unchecked,can destroy our lives.Fear is one of the many enemies lurking inside us.这句话中的 if left unchecked作为作为插入语,为什么过去分词unchecked直接修饰动词left?unchecked不是形容词吗?

if left unchecked是省略句,if left (fear) unchecked,这里unchecked修饰的是fear,作定语~