表示主语和谓语的关系
主语是动作的受者
助动词be 及物动词的过去分词
be 过去分词
The thief is being chased by the policeman. 主动语态：The police is chasing the thief.
He is believed by me. 主动语态： I believe him.
A new school will be built in our neighbourhood by the government. 主动语态：The government will build a new school in our neighborhood.
Everyone will know the bad news. 主动语态：The bad news will be known by everyone.
All that can be done has been done.
get 过去分词
I will have only instant noodles until I get paid on Friday. 在周五被发工资钱，我只能啃方便面了。
特殊情形
不及物动词：remain, happen, occur, 和词组 take place, belong to, give out, go out, come out等，没有被动语态
表状态特征的连系动词以主动表被动，如smell, taste, sound, look, prove
The theory proves right. 理论被证明是对的
The food testes good,食物被尝起来好吃
You looks fabulous. 你被看起来荣光四射。
The bacon smells delicious. 烤肉被闻起来很香。
表应得want, require, deserve, need 跟动名词表被动
These flowers need watering. 花儿需要被浇了。
The children want caring rather than scolding. 孩子需要被爱而不是被斥责。
Your achievements deserve our praising. 你的成就，值得被我们赞扬。
be worth doing表被动
The book is worth reading.
It is worth checking the details of the contract before you sign it. 签合同前，把合同的细节仔细审查一下是值得的。
to let, to blame表被动
This apartment is to let. 本公寓出租。
He is to blame for the divorce. 他应该为离婚被谴责。
No one is to blame except myself.
In organizations where everyone is to blame, no one is really to blame. 有些组织里，看起来人人该被责备，其实没有人该被责备。
sell, write, open, lock, shut, wear, wash, keep, cook, cut和well, smooth, easily连用表性能特点等需用主动形式
iPhone sells well on the market.
Hero pen writes smoothly.
The knife cuts sharply.
