deber

Muchachos, no debisteis hacerlo.	Oh, boys, you shouldn't have done it.
No debisteis venir. ¿Qué dices?	You should never have come here. What?
¡No debisteis haber venido!	You shouldn't have come!
¿El qué no debisteis?	You shouldn't have, what?
Ayer, el 1 dde enero de 2003, debisteis ver a los antiguos estudiantes de la Universidad Sri Sathya Sai.	Yesterday, the 1st of January 2003, you must have seen the old students of Sri Sathya Sai University.
Debisteis tener cuidado de los falsos profetas y falsos maestros.	You were to beware of false prophets and false teachers.
Debisteis pensar eso antes de empezar.	You should have thought of that before you started.
Debisteis haber hablado de algo, ¿no?	You must have talked about something, right?
Debisteis decirle que no lo hiciera.	You could've told him not to do it.
Debisteis hablar de algo.	You must have talked about something.
Debisteis hacerlo hace años.	You should have done it ages ago.
Debisteis usar acónito amarillo.	Should've used the yellow wolfsbane.
Debisteis apuntar mejor.	You should have aimed better.
¡Debisteis tener más cuidado!	You weren't vigilant enough!
Debisteis decirle que no lo hiciera.	You could've told him not to do it. What kind of friends are you?
No debísteis haberme escuchado.	You wouldn't listen to me.
Y probablemente no debisteis hacerlo.	And you probably shouldn't have.