I ever had.

That was the best meal I ever had.

（那是我吃过的最好的一顿饭。）

It was the most fun I ever had at a party.

（那是我在派对上玩得最开心的一次。）

She's the best friend I ever had.

（她是我有过的最好的朋友。）

That's the worst experience I ever had at a restaurant.

（那是我在餐厅有过的最糟糕的经历。）

It's the most beautiful place I ever had the pleasure of visiting.

（那是我有幸参观过的最美丽的地方。）

He's the kindest boss I ever had.

（他是我有过的最仁慈的老板。）

It's the most interesting book I ever had the chance to read.

（那是我有机会阅读过的最有趣的书。）

That's the most relaxing vacation I ever had.

（那是我度过的最放松的假期。）

She's the most talented musician I ever had the privilege of hearing.

（她是我有幸听过的最有天赋的音乐家。）

That's the most challenging project I ever had to work on.

（那是我曾经要处理的最具挑战性的项目。）