(资料图)

1.The apple  was eaten by her .  这个苹果被她吃了  

（被动语态的结构是，  be + done   ， 用 by 引出主动者）

2.The  buildings  were  founded  by  him

3.Ben  was beaten by Simon  

4.the environment was polluted by people

5the clothes were washed by me   

打20个太多了吧，先打5个啦，这些都是比较简单的被动语态结构

本文到此讲解完毕了，希望对大家有帮助。