was happening
De repente no sabía qué estaba pasando.
Suddenly I didn't know what was happening.
— La princesa Mononoke (1997)
Tom estaba demasiado ocupado para advertir qué estaba pasando.
Tom was too busy to notice what was happening.
Tenía la sensación de que algo malo estaba pasando.
I had a feeling that something bad was happening.
Solo estaba pasando el rato con algunos de mis amigos.
I was just hanging out with some of my friends.
Salí corriendo a ver que estaba pasando.
I ran out to see what was happening.
No sabía que esto estaba pasando.
I didn't know this was happening.
Yo salí corriendo a ver que estaba pasando.
I ran out to see what was happening.
No podía creer lo que estaba pasando.
I couldn't believe what was happening.
Me imaginé que algo estaba pasando.
I figured something was going on.