had
Hubiesen encontrado algo en la fábrica.
They would have found something in the factory.
Si me hubiesen pedido una cita los esperaba con un café.
If they had asked me for a date, I would have waited for them with a coffee.
— El secreto de sus ojos (2009)
Si me hubiesen hecho caso todavía estarían vivos.
If they had listened to me, they would still be alive.
— Reservoir Dogs (1992)
Es como si hubiesen caído en un hoyo.
It's as if they had fallen into a hole.
— El salario del miedo (1953)
Tom y Mary no hubiesen hecho eso si John no se lo hubiese pedido.
Tom and Mary wouldn't have done that if John hadn't asked them to.
Como si los últimos dos hubiesen sido importantes.
As if the last two had been important.
— El quinto elemento (1997)