在英语学习中，时态和语态是两个非常重要的语法概念。其中，被动语态是一种表达方式，用来强调动作的承受者，而非动作的执行者。而结合不同的时态，被动语态可以展现出更加丰富的语言表达能力。本文将详细解析英语中的八大时态对应的被动语态结构。

一、一般现在时的被动语态

一般现在时的被动语态由“am/is/are + 过去分词”构成。例如：

- 主动语态：They clean the room every day.

- 被动语态：The room is cleaned by them every day.

二、一般过去时的被动语态

一般过去时的被动语态由“was/were + 过去分词”构成。例如：

- 主动语态：She wrote a letter yesterday.

- 被动语态：A letter was written by her yesterday.

三、一般将来时的被动语态

一般将来时的被动语态由“will be + 过去分词”构成。例如：

- 主动语态：We will build a new school next year.

- 被动语态：A new school will be built by us next year.

四、现在进行时的被动语态

现在进行时的被动语态由“am/is/are being + 过去分词”构成。例如：

- 主动语态：They are painting the house now.

- 被动语态：The house is being painted by them now.

五、过去进行时的被动语态

过去进行时的被动语态由“was/were being + 过去分词”构成。例如：

- 主动语态：She was reading the book at that time.

- 被动语态：The book was being read by her at that time.

六、现在完成时的被动语态

现在完成时的被动语态由“have/has been + 过去分词”构成。例如：

- 主动语态：They have finished the project.

- 被动语态：The project has been finished by them.

七、过去完成时的被动语态

过去完成时的被动语态由“had been + 过去分词”构成。例如：

- 主动语态：She had completed the task before I arrived.

- 被动语态：The task had been completed by her before I arrived.

八、过去将来时的被动语态

过去将来时的被动语态由“would be + 过去分词”构成。例如：

- 主动语态：He said he would finish the work.

- 被动语态：It was said that the work would be finished by him.

通过以上八个时态的被动语态结构分析，我们可以看到，被动语态的核心在于通过调整主谓关系来突出动作的承受者。这种表达方式在描述客观事实、科学报告或新闻报道中尤为常见。希望这些例子能帮助你更好地理解和运用英语中的被动语态。