to have seen her/it
Recuerdo haberla visto en alguna parte.
I remember seeing her somewhere.
I remember seeing her.
Esa cara me suena haberla visto antes en algún sitio.
That face seems familiar; I've seen it somewhere before.
Estoy seguro de haberla visto hace dos años.
I'm sure I saw her two years ago.
I remember seeing her before.
Recuerdo haberla visto una vez.
I remember seeing her once.
No puedo haber soñado con ella sin haberla visto antes, ¿no?
I couldn't have dreamed about her without having seen her before, could I?
— Open Your Eyes (1997)