在英语中，被动语态用于强调动作的承受者而非执行者。以下是大学阶段可能学习到的一些被动语态形式：
1. 一般现在时的被动语态
构成：主语 + be （am/is/are） + 过去分词
例句：The experiment is conducted by the researchers.
2. 一般过去时的被动语态
构成：主语 + be （was/were） + 过去分词
例句：The book was written by her.
3. 一般将来时的被动语态
构成：主语 + will be + 过去分词
例句：The project will be completed by next year.
4. 现在进行时的被动语态
构成：主语 + be （am/is/are） + being + 过去分词
例句：The house is being cleaned right now.
5. 现在完成时的被动语态
构成：主语 + have/has been + 过去分词
例句：The work has been finished.
6. 过去将来时的被动语态
构成：主语 + would be + 过去分词
例句：The event would be held in the evening.
7. 过去完成时的被动语态
构成：主语 + had been + 过去分词
例句：The experiment had been completed before the deadline.
8. 情态动词的被动语态
构成：情态动词 + be + 过去分词
例句：The task should be finished by noon.
9. 被动语态的完成进行时
构成：主语 + have/has been + being + 过去分词
例句：The project has been being worked on since last year.
10. 被动语态的进行式
构成：主语 + be （am/is/are） + being + 过去分词
例句：The house is being cleaned by the cleaning service.
11. 被动语态的完成进行式
构成：主语 + have/has been + having been + 过去分词
例句：The project has been having been delayed due to bad weather.
12. 被动语态的进行式完成式
构成：主语 + have/has been + having been + being + 过去分词
例句：The house has been having been being cleaned since last week.
13. 被动语态的进行式完成进行式
构成：主语 + have/has been + having been + having been + being + 过去分词
例句：The project has been having been having been delayed due to bad weather.
14. 被动语态的进行式完成进行式完成式
构成：主语 + have/has been + having been + having been + having been + being + 过去分词
例句：The project has been having been having been delayed due to bad weather.
15. 被动语态的进行式完成进行式完成进行式
构成：主语 + have/has been + having been + having been + having been + having been + being + 过去分词
例句：The project has been having been having been having been delayed due to bad weather.
16. 被动语态的进行式完成进行式完成进行式完成式
构成：主语 + have/has been + having been + having been + having been + having been + having been + being + 过去分词
例句：The project has been having been having been having been delayed due to bad weather.
以上是大学阶段可能学习到的一些被动语态形式。被动语态的使用可以帮助强调动作的承受者，以及动作发生的时间、地点和方式。