you have seen it
You have seen it.
Lo has visto con tus propios ojos.
You've seen it with your own eyes.
¿Alguna vez lo has visto nadar?
Have you ever seen him swim?
You saw it yourself.
¿Por qué le dijiste que no lo has visto?
Why did you tell him you haven’t seen it?
— Los olvidados (1950)