had加过去分词是什么时态

had加过去分词是过去完成时。
例句：
They had had their pet dog stuffed、
他们请人把他们的宠物狗制成了标本。
She had repented of what she had done、
她对自己所做的事深感懊悔。

We had walked further than I had realized、

在我不知不觉中我们已走得很远。

He had heard that the trophy had been sold、

他听说那个奖杯已经被卖掉了。

We've had words、

我们吵过架。