英语中的被动语态主要有以下几种时态：

一般现在时的被动语态

构成：is / am / are + 及物动词的过去分词

例句：Our classroom is cleaned every day.

一般过去时的被动语态

构成：was / were + 及物动词的过去分词

例句：The new shop was built last year.

一般将来时的被动语态

构成：will be + 及物动词的过去分词

例句：A new hospital will be built in our city.

现在完成时的被动语态

构成：has / have been + 及物动词的过去分词

例句：This book has been translated into many languages.

含有情态动词的被动语态

构成：情态动词 + be + 及物动词的过去分词

例句：Young trees must be watered often.

现在进行时的被动语态

构成：am / is / are + being + 及物动词的过去分词

例句：Uncle Wang is mending my bike now.

过去完成时的被动语态

构成：had been + 及物动词的过去分词

例句：By the end of last year, another new gymnasium had been completed in Beijing.

过去进行时的被动语态

构成：was / were being + 及物动词的过去分词

例句：A meeting was being held when I was there.

不定式的被动语态

构成：to be + 及物动词的过去分词

例句：There are two books to be read.

这些时态的被动语态在英语中非常常见，掌握它们有助于更好地理解和表达被动关系。