had been是过去完成时。
例句
Their throats had been cut.
他们的咽喉被割断了。
His hand had been badly lacerated.
他的一只手被严重划伤了。
The flat had been meticulously cleaned.
这间公寓被仔仔细细地打扫过了。
His king had been checkmated.
他的王棋已被将死。
The photograph had been framed.
照片已镶了框。
水利万物而不争,
而万物莫能与之争。