for three days now
Я прихожу сюда уже три дня подряд.
I’ve been coming here for three days in a row.
— Три цвета: Синий (1993)
It has been raining for three days now.
I haven't eaten for three days.
Молодой господин, вы уже три дня не ели.
Young master, you haven't eaten for three days.
— Нэчжа (2019)
Том там уже три дня.
Tom has been there for three days already.
He has been sick for three days.
Ты уже три дня об этом говоришь.
You've been talking about this for three days already.
— Подними красный фонарь (1991)
Том уже три дня не спит.
Tom hasn't slept for three days.