have been+形容词的问题

问题描述:

have been+形容词的问题
这是新概练的一句话
The big clock which strike the hours day and night was damaged many years ago and has been silent ever since
为什么用have been ,而不用have呢?have been+形容词是怎么用的啊?

形容词一般和be动词连用
如:He is hungry.
He has been hungry for 3 hours.
have been加形容词是be+adj的现在完成时形式.