Question

En qué contextos se utiliza debería y deberia tener

Answer 1

Should
Se usa "should" para dar o pedir consejo o para dar opiniones en el presente:
"I have a terrible stomachache." "You should go to the doctor's."
"I haven’t heard from my father." "You should call him."
"She's not happy with the salary offered." "She shouldn't accept the job."

Forma

Se usa "should" / "shouldn't" + el infinitivo del verbo principal (sin "to")

Ejemplo

I
You
He, She, It
We
They should do more exercise.
get a new car.
shouldn't
(should not) smoke.
spend so much money.

Should I
you
he / she / it
we
they get more qualifications?
wear something different?
Should have
Se usa "should have" para dar su opinión o pedir su opinión en el presente en relación a algo que sucedió en el pasado:
"I had a terrible stomachache." "You should have gone to the doctor’s."
"I didn’t hear from my father last week." "You should have called him."
"She isn't happy with the salary she’s getting." "She shouldn't have accepted the job."

Forma

Se usa "should" / "shouldn't have" + el participio pasado del verbo principal

Ejemplo

I
You
He / She / It
We
They should have taken a taxi.
shouldn't have written that comment.

Should I
you
he / she / it
we
they have worked overtime?