se isso acontecesse

if that happened

→ se
phrase Rare #36,469
if that happened Used to talk about a hypothetical or unlikely event. “Acontecesse” is the imperfect subjunctive form of acontecer.
PO: Eu ficaria preocupado se isso acontecesse.
EN: I would be worried if that happened.

Se isso acontecesse?

What if that happened?

— Assassinato (2015)

Seria muito lamentável se isso acontecesse.

It would be very unfortunate if that happened.

Eu não ficaria surpreso se isso acontecesse.

I wouldn’t be surprised if that happened.

Eu ficaria desapontado se isso acontecesse.

I would be disappointed if that happened.