have been given是什么时态

Many have been given little or no compensation.

许多人只得到一丁点补偿或者没有得到补偿。

I feel as though I have been given a great gift.

这让我有了好像得到了一份大礼的'感觉。

But no details have been given about the changes.

但没有详细说明有关的变化。