deveriam ser

should be

→ dever
phrase Rare #40,397
should be Often used with a past participle to form a passive construction, as in “should be adopted.”
PO: Essas regras deveriam ser explicadas com clareza.
EN: These rules should be explained clearly.

Em Tatoeba há muitas frases úteis e bonitas que deveriam ser adotadas.

In Tatoeba there are many useful and beautiful phrases that should be adopted.

Mas eles deveriam ser vistos ganhando agora mesmo.

But they should be winning right now.

— Yojimbo, o Guarda-Costas (1961)

Eles deveriam ser ignorados.

They should be ignored.