would have
Sin este libro jamás lo habríamos logrado.
Without this book, we never would have managed it.
— Atlantis: El imperio perdido (2001)
No nos dijo nada, ¿cómo habríamos de saberlo?
He didn't tell us anything, how were we supposed to know?
— Perfectos desconocidos (2016)
En su caso quizás habríamos hecho lo mismo.
In their case, we might have done the same.
— Vivir (1952)
Si no fuera por ese error, habríamos ganado.
If it weren't for that mistake, we would have won.
Si te hubiera conocido, habríamos tenido un gran libro.
If I had met you, we would have had a great book.
— La gran belleza (2013)
De no ser así, nos habríamos extinguido.
If that were not the case, we would have gone extinct.
— La sirena (2016)
We would have been more careful.