have seen them
Los he visto en Pittsburgh, en Detroit y aquí en Cleveland.
I've seen them in Pittsburgh, in Detroit, and here in Cleveland.
— Scary Movie (2000)
I've seen better.
I’ve never seen them laugh.
No los he visto desde el entierro de padre.
I haven't seen them since Father's funeral.
— Un asunto de familia (2018)
I've seen them too.
I saw them today.
No los he visto recientemente.
I haven't seen them recently.
Yes, I have seen them.
Because I've seen them.