had happened
Nós nos preocupamos se tinha acontecido alguma coisa.
We were worried that something might have happened.
No dia seguinte, aconteceu uma coisa que nunca tinha acontecido.
The next day, something happened that had never happened before.
— O Pagador de Promessas (1962)
Nós estávamos preocupados se tinha acontecido alguma coisa.
We were worried that something might have happened.
Tive que me manter ocupado, assim não pensaria no que tinha acontecido.
I had to keep myself busy so I wouldn’t think about what had happened.
Eu não me lembrava disso, mas tinha acontecido.
I didn't remember that, but it had happened.
Pensei que algo terrível tinha acontecido com você.
I thought something terrible had happened to you.
— O Motorista de Táxi (2017)
Nós nos preocupamos se alguma coisa tinha acontecido.
We were worried that something might have happened.
Tom sabia que algo tinha acontecido com Mary.
Tom knew that something had happened to Mary.