决定动词用主动语态还是被动语态主要看动词和主语的关系。如果主语是动作的执行者，也就是说它们是主动关系，此时动词用主动语态；如果主语是动作的承受者，也就是说它们是被动关系，此时动词则用被动语态。
英语被动语态用法总结
1.一般现在时：主语+am/is/are+过去分词
2.一般过去时：主语+was/were+过去分词
3.一般将来时：主语+shall/will+be+过去分词
4.过去将来时：主语+should/would+be+过去分词
5.现在进行时：主语+am/is/are+being+过去分词
6.过去进行时：主语+was/were+being+过去分词
7.现在完成时：主语+have/has+been过去分词
8.过去完成时：主语+hadbeen+过去分词
9.将来完成时：主语+shall/will+havebeen+过去分词
10.过去将来完成时：主语+should/would+havebeen+过去分词
被动语态例句
Football is played all over the world.
世界各地的人都踢足球。
A road is being built.
正在修建一条路。
I was given the present by Mother.
这件礼物是母亲给我的。
I was lent those books by my friend.
这些书是朋友给我的。
He was asked some question.
他被问了几个问题。
A man is known by his friends.
什么人交什么朋友。
A word spoken is past recalling.
一言既出，驷马难追。
Dont put off till tomorrow what should be done today.
今日事，今日毕。
Experien cemust be bought.
吃一堑，长一智。
He is not laughed at that laughs at himself first.
自嘲者不会让人见笑。