Swum

He is the only American who has swum the English Channel.

He is the only American to have swum the English Channel.

This is the first time I've swum in a lake.

Have you ever swum in a lake?

He had not swum more than a few yards before one of the skulking ground sharks had him fast by the upper part of the thigh.

I haven't swum in the ocean since I left Florida.

I haven't swum since last summer.

Tom has never swum in our pool.

He is the only American that has swum across the English Channel.

I've never swum in a pool.