have had是什麼時態

She'll have had the results by now.

她現在應該知道結果了。

We have had to adapt quickly to the new system.

我們不得不迅速適應新制度。

We have had problems with the supply of raw materials to the factory.

我們在工廠的原料供應方面遇到過問題。

He seems to have had some sort of religious experience.

他似乎有某種宗教體驗。

They have had a significant change in policy on paternity leave.

他們對男人休產假制度作出了重大改變。