known
Você pensa que Tom teria ficado feliz, se tivesse sabido?
Do you think Tom would have been happy if he had known?
Espero que tenham ligado para a avó e sabido que ele não está lá?
I hope they called Grandma and found out he's not there?
— Sem Amor (2017)
Tom não teria sabido a diferença.
Tom wouldn't have known the difference.
Acho que foi a coisa certa, que ela nunca tenha sabido da verdade.
I think it was the right thing to do, that she never knew the truth.
— Adeus, Lênin! (2003)