ten没有最高级，因为它是数词。

num. 十个，十Ten men compose the committee.

委员会由十人组成。

Tickets cost ten dollars each.

每张票价为十元。

He's had ten days off school.

他有十天没上学了。

He slept solidly for ten hours.

他整整睡了十个小时。

We're leaving round about ten.

我们十点钟左右出发。