eles deveriam

they should

→ eles
phrase Rare #32,720
they should With an infinitive, expresses what they ought to do or what would be advisable. It can also refer to what they were supposed to do, depending on context.
PO: Eles deveriam descansar hoje.
EN: They should rest today.

Eles deveriam ter casado mês passado.

They were supposed to get married last month.

Eles deveriam me agradecer.

They should thank me.

Eles deveriam pagar algo.

They should pay something.

— Assassinato (2015)

Eles deveriam investir mais em propaganda.

They should invest more in advertising.

— A Partida (2008)

Eu sei que não deveria ter dito a Tom e Mary que eles deveriam fazer isso.

I know I shouldn't have told Tom and Mary that they should do that.

Eles deveriam pedir desculpas.

They should apologize.