poderia ter acontecido

could have happened

→ poder
phrase Rare #22,653
could have happened Used to talk about a possible event in the past, often one that did not happen or whose outcome is uncertain. The related forms podia ter acontecido and pôde ter acontecido are also common.
PO: Isso poderia ter acontecido com qualquer pessoa.
EN: That could have happened to anyone.

O que mais poderia ter acontecido?

What else could have happened?

— Leviatã (2014)

Não quero pensar no que poderia ter acontecido.

I don't want to think about what could have happened.

O que aconteceu com Layla poderia ter acontecido a qualquer um de nossos bebês.

What happened to Layla could have happened to any of our babies.

Ninguém tinha a menor idéia do que poderia ter acontecido.

No one had the slightest idea what could have happened.

Nesse ponto, qualquer coisa poderia ter acontecido.

At that point, anything could have happened.

O que poderia ter acontecido?

What could have happened?

— Roma, Cidade Aberta (1945)

Isso só poderia ter acontecido se ela encontrou nosso filho em algum momento.

This could only have happened if she found our son at some point.

— Um Contratempo (2017)

O mesmo poderia ter acontecido com você.

The same thing could have happened to you.

Faz idéia do que poderia ter acontecido se fosse descoberto?

Do you have any idea what could have happened if you had been discovered?

— Moulin Rouge: Amor em Vermelho (2001)

Ninguém tinha sequer a menor ideia do que poderia ter acontecido.

Nobody had even the slightest idea what could have happened.