were planning to, were going to, were about to
Она приехала, когда мы уже собирались уходить.
She arrived when we were already about to leave.
Когда мы уже собирались уезжать из Рима, начался дождь.
Just as we were about to leave Rome, it started to rain.
Как будто тебя казнить собирались?
What, were they about to execute you or something?
— The Last Warrior (2017)
Они с Клориндой собирались пожениться, так что мысли его были заняты другим.
He and Clorinda were planning to get married, so he had other things on his mind.
Вы разве не собирались звонить?
Weren't you planning to call?
— Женщины на грани нервного срыва (1988)
Одноклассники собирались его увидеть.
His classmates were planning to see him.
Where were you planning to go?