cruzar el río a nado

Puedo cruzar el río a nado.

I can swim across the river.

Es peligroso cruzar el río a nado.

It is dangerous to cross the river by swimming.

El niño no pudo cruzar el río a nado.

The boy couldn't swim across the river.

Le vi cruzar el río a nado.

I saw him swim across the river.

Mi hermano no se atrevió a cruzar el río a nado.

My brother didn't dare to swim across the river.

Soy capaz de cruzar el río a nado.

I am able to swim across the river.

Mary era capaz de cruzar el río a nado.

Mary was able to swim across the river.

Conseguimos cruzar el río a nado.

We managed to swim across the river.