被动语态
Passive Voice
被动语态基本使用方法当句子主语是动作执行者时，谓语形式是主动语态。当句子主语是动作承受者时，谓语要用被动语态。被动语态由助动词be+过去分词组成，时态经过be表现出来。
They play football on Sunday.Lucy does the homework in the evening.They often use computers in class.We make these machines in Beilun.People speak English as the first language in UK.
Football is played by them on Sunday.
The homework is done by Lucy in the evening.
Computers are often used by them in class.
These machines are made in Beilun.
English is spoken as the first language in UK.