si no hubieran

if they hadn't

→ si

phrase Common #8,045

if they hadn't Introduces a hypothetical condition about something that did not happen. The subject can also be “you” (plural or formal), depending on context.

SP: Si no hubieran salido tan tarde, habrían llegado a tiempo.

EN: If they hadn't left so late, they would have arrived on time.

Si no hubieran salido de la escuela, no habría habido incendio.

If they hadn’t left the school, there wouldn’t have been a fire.

— Los chicos del coro (2004)

Si no hubieran bailado así, habría sido una noche más.

If they hadn't danced like that, it would have been just another night.

— Río Místico (2003)

Si no hubieran venido ellos.

If they hadn't come.

— Nausicaä del Valle del Viento (1984)

Si no hubieran cerrado el VCAT, ya habría algún arresto.

If they hadn't closed the VCAT, there would have been some arrests by now.

— El botín (2026)

Habría sido mucho mejor si no hubieran sido hombres.

It would have been much better if they hadn't been men.

— Realmente amor (2003)

Hagan como si no hubieran visto nada.

Pretend you didn’t see anything.

Si no hubieran llegado me habrían matado.

If they hadn't arrived, they would have killed me.

— Tropa de Élite (2007)

Yo sería más feliz si no hubieran estado.

I would be happier if they weren't there.