used to · modal verb /ˈjuːst.tuː/
used to do/be sth
B1 If something used to happen or a situation used to exist, it happened regularly or in the past but it does not happen or exist now.
Dictionary examples:
She used to live in Detroit.
He used to be a pilot.
You don't come and see me like you used to.
When we were younger, we didn't used to drink coffee.
Learner example:
It's an American film about a girl that used to live in Africa. (Preliminary English Test; B1; Portuguese)
