had to, must have
Ella debió haber seguido el consejo de Mary.
She should have followed Mary's advice.
Tom recibió una llamada de emergencia y debió retirarse del trabajo.
Tom received an emergency call and had to leave work.
Debió arrastrarse por el suelo.
He must have crawled on the ground.
— Aguirre, la cólera de Dios (1972)
Si es reportero, debió decírmelo.
If you are a reporter, you should have told me.
— A Taxi Driver: Los héroes de Gwangju (2017)
Tu padre debió volver a hacer su posgrado.
Your father should have gone back to do his postgraduate studies.
— La gran enfermedad del amor (2017)
No me importa que haya mentido, pero debió confiar en mí, no huir.
I don't care that they lied, but they should have trusted me, not run away.
— No se lo digas a nadie (2006)
Supongo que debió ver mi alianza matrimonial.
I suppose he must have seen my wedding ring.
— Psicosis (1960)
She must have been rich.