The room was designed as my study but now it has to be used as a bedroom for the children.

问题描述:

The room was designed as my study but now it has to be used as a bedroom for the children.
请英语高手翻译句子成分.
比如was designed是定语吗?
其他的呢?

这个房间设计为我的书房,可现在却不得不用作孩子们的卧室.
补充句子成分:
the room 主语
was designed 谓语,被动语态
as my study 状语
but 连接词,后接另一个完整的句子
now 时间状语2
it 主语2
has to be used 谓语2,被动语态
as a bedroom for the children 状语3