SHOULD / SHOULDN`T

SHOULD / SHOULDN'T
Should / shouldn't is a modal verb.
It means : Debería
It has the same form for all the conjugation and is followed by an infinitive without to.
AFFIRMATIVE : Subject + should + infinitive
I should eat more vegetables
( Yo debería comer más vegetales)
NEGATIVE : Subject + shouldn't + infinitive
You shouldn't smoke. It's bad for you (No deberías fumar. Es malo para tí)
INTERROGATIVE : Should + subject + infinitive?
Should I go to the party? (¿Debería ir a la fiesta?)
No, you shouldn't / Yes, you should
USES:
*To give advice (dar consejo)
You should take some exercise. It's good for your health (Deberías hacer ejercicio. Es bueno para tu salud)
*To express an opinion
You shouldn't work so hard!
( No deberías trabajar tanto)
*To describe an obligation
You should study harder
( Deberías estudiar más)