teria mudado

would have changed

→ ter
phrase Rare #29,807
would have changed Used for a hypothetical or counterfactual change in the past. It can also appear in questions such as “O que teria mudado?” (“What would have changed?”).
PO: Sem a sua ajuda, nada teria mudado.
EN: Without your help, nothing would have changed.

Fazer isso não teria mudado nada.

Doing that wouldn't have changed anything.

De qualquer forma, isso não teria mudado nada.

Either way, it wouldn’t have changed anything.

Teria mudado isso!

I would have changed that!

— Um Dia Muito Especial (1977)

E o que isso teria mudado?

And what would that have changed?

— O Escafandro e a Borboleta (2007)

E o que teria mudado?

And what would have changed?

— Sem Amor (2017)

Teria mudado.

It would have changed.

— Um Dia Muito Especial (1977)

Você teria mudado?

Would you have changed?

— Sem Amor (2017)

Vamos lá, o garoto já teria mudado de nome a essa hora.

Come on, the kid would have changed his name by now.

— Prenda-Me se For Capaz (2002)