被动语态是英语中很重要的语法知识之一，也是我们在写作中常用到的一种语态。下面是33个经典的被动语态句型例句，希望能够帮助大家更好地掌握被动语态的用法：
1. The book was written by J.K. Rowling.
这本书是由J.K.罗琳写的。
2. The window was broken by the wind.
窗户是被风打破的。
3. The cake was made by my mom.
蛋糕是我妈妈做的。
4. The movie was directed by Steven Spielberg.
这部电影是由史蒂文·斯皮尔伯格导演的。
5. The report will be finished by tomorrow.
这份报告将在明天完成。
6. The competition has been canceled due to bad weather.
由于天气不好，比赛已经取消了。
7. The flowers were watered by the gardener.
花园里的花是由园丁浇的水。
8. The book will be read by many people.
这本书将会被很多人读。
9. The cake had been eaten before I got there.
在我到达之前，这个蛋糕已经被吃完了。
10. The package was delivered by the postman.
这个包裹是由邮递员送来的。
11. The letter had not been mailed yet.
这封信还没有被寄出。
12. The car is being repaired in the garage.
这辆车正在修理厂维修。
13. The hotel will be booked by us.
我们将预订这家酒店。
14. The essay was handed in by the students.
这篇论文是由学生们交上的。
15. The cake will be baked by me tomorrow.
明天蛋糕将由我来烤。
16. The project is being completed by the team.
这个项目正在由团队完成。
17. The meat should be cooked for 30 minutes.
这种肉应该煮30分钟。
18. The letter was written by my sister last night.
这封信昨晚是我姐姐写的。
19. The proposal will be discussed by the board tomorrow.
这个建议将在明天被董事会讨论。
20. The table should be cleaned every day.
这个桌子应该每天清洁一次。
21. The house was being built when we visited.
我们参观时，这栋房子正在建造中。
22. The cake would have been eaten by now if it had been left on the counter.
如果蛋糕放在柜台上，它现在应该已经被吃掉了。
23. The movie has been watched by millions of people.
这部电影已经被数百万人观看了。
24. The laptop was stolen from my office.
这台笔记本电脑是从我的办公室被盗的。
25. The letter will have been received by the time I get there.
到我到那儿的时候，这封信应该已经被收到了。
26. The house had been painted before we bought it.
在我们买下这栋房子之前，它已经被涂过色了。
27. The mistake was made by me.
这个错误是我犯的。
28. The wall needs to be painted.
这面墙需要刷漆。
29. The movie is being watched by the children.
孩子们正在看这部电影。
30. The room had been cleaned before we arrived.
在我们到达之前，房间已经被打扫过了。
31. The decision will be made by the boss.
决定将由老板作出。
32. The work has been done by the team.
这项工作已经由团队完成了。
33. The cake may have been eaten by the time we get there.
我们到那儿的时候，蛋糕可能已经被吃掉了。
