was going to be
Y en ese momento supe que iba a ser él.
And at that moment I knew it was going to be him.
— Durante la tormenta (2018)
Escucha, sabías que iba a ser una época horrible.
Listen, you knew it was going to be a horrible time.
— Love Actually (2003)
Te dije que esto iba a ser peligroso.
I told you this was going to be dangerous.