must have
Ha debido llover durante la noche.
It must have rained during the night.
Ha debido, no, que se ha ido corriendo.
He must have—no, he ran off.
— Volver (2006)
Ha debido ser duro para ti.
It must have been hard for you.
— Fearless - Sin miedo (2006)
Ha debido traerlo.
He must have brought it.
— Ladrón de bicicletas (1948)
Que se te ha debido caer.
It must have fallen.
— Hable con ella (2002)
Ha debido ser algún chico, no ha sido él.
It must have been some boy, it wasn't him.
— Amarcord (1973)