must have been; was supposed to be, should be; must have been
Meu pai devia ser bonito quando era jovem.
My father must have been handsome when he was young.
Sua mãe devia ser muito bonita, não é?
Your mother must have been very beautiful, wasn't she?
— 3 Idiotas (2009)
Eu devia ser herói mais vezes, não?
I should be a hero more often, shouldn't I?
— Faça a Coisa Certa (1989)
Devia ser um caso do município, mas o parque é jurisdição do Estado.
It should be a municipal matter, but the park falls under state jurisdiction.
— Sobre Meninos e Lobos (2003)
You should be a teacher.