tu devias

should (have)

→ dever
dev must, should (to have to; to be supposed to) + ia Imperfect past tense + s 2nd-person singular (you)
verb · second singular · imperfect indicative Rare #26,684
should (have) Informal singular (tu) imperfect form of “dever”; often used to express advice/obligation in the past.
PO: Devias ter estudado mais para o exame.
EN: You should have studied more for the exam.
Conjugation of dever
Indicative imperfect
SingularPlural
First devia devíamos
Second devias —
Third devia deviam

Tu devias dar a Tom uma chance para fazer isso.

You should give Tom a chance to do this.

Devias saber que não podes confiar o carro ao Tomás.

You should know that you can't trust Tomás with the car.

Devias fazê-lo.

You should do it.

Devias de encorajá-lo.

You should encourage him.

Tu devias fazê-lo.

You should do it.

Devias mudar a tua gravata.

You should change your tie.

Devias de estar a ajudá-lo.

You should be helping him.

Devias saber por experiência própria, Candela.

You should know from your own experience, Candela.

— Mulheres à Beira de um Ataque de Nervos (1988)

Devias estar a dormir.

You should be sleeping.

Já não devias estar na escola?

Shouldn't you be at school by now?