have happened
Isso nunca deveria ter acontecido.
This should never have happened.
Isso deve ter acontecido enquanto Tom e eu estávamos em Boston.
That must have happened while Tom and I were in Boston.
Parece ter acontecido algo grave na estrada.
It seems something serious happened on the road.
It shouldn't have happened.
Algo deve ter acontecido ali, Soo-an.
Something must have happened there, Soo-an.
— Invasão Zumbi (2016)
Eu lamento por isso ter acontecido.
I'm sorry that happened.