They’ve been married for twenty years.
married 是过去分词做形容词，这个句子是现在完成时
The room has been cleaned.You needn’t clean it now.
这就是现在完成时的被动语态，been是用来构成被动语态的
第一句子网 - 唯美句子、句子迷、好句子大全
时间：2019-09-18 08:35:48
They’ve been married for twenty years.
married 是过去分词做形容词，这个句子是现在完成时
The room has been cleaned.You needn’t clean it now.
这就是现在完成时的被动语态，been是用来构成被动语态的
