英语句子分析The state maintains a database of names of people allowed to vote.The state maintains a database of names of people allowed to vote.这句话为什么不是 people are allowed to vote? 不是被动语态的形式么?

英语句子分析The state maintains a database of names of people allowed to vote.The state maintains a database of names of people allowed to vote.这句话为什么不是 people are allowed to vote? 不是被动语态的形式么?
英语句子分析The state maintains a database of names of people allowed to vote.
The state maintains a database of names of people allowed to
vote.
这句话为什么不是 people are allowed to vote? 不是被动语态的形式么?

英语句子分析The state maintains a database of names of people allowed to vote.The state maintains a database of names of people allowed to vote.这句话为什么不是 people are allowed to vote? 不是被动语态的形式么?
allowed to vote,过去分词作定语修饰people
被允许来投票的人的名字数据库
因为政府允许他们,他们被政府所允许
表示被动

people allowed to vote=people that are allowed to vote
这里allowed to vote作状语成分
这里有讲解http://wenku.baidu.com/view/8990ecdf5022aaea998f0f26.html

这句话的主语是The state 谓语是maintains
people allowed to vote这是一个定语从句 省略了一些成分 补充完整就是people who are allowed to vote