mention为什么要加ed

因为要表示过去式和过去分词。

mentioned:

v. 提及，说起，谈到（mention的过去式和过去分词）

Nobody mentioned anything to me about it.

没人跟我提过这事。

His name has been mentioned as a future MP.

有人提到他，认为他将来可以当下院议员。

He mentioned en passant that he was going away.

他顺便提到他要离开。

He bitterly regretted ever having mentioned it.

他非常懊悔提起那件事。