you must be
Debes estar tranquilo unos días.
You need to take it easy for a few days.
You must be at the bottom.
Sorda debes estar para no escuchar el corazón de tu hijo.
You must be deaf not to hear your son's heart.
— Devdas (2002)
Debes estar preparado para lo peor.
You must be prepared for the worst.
Debes estar contenta que aún sigues viva.
You should be glad you're still alive.
— Contra la pared (2004)
You should be proud.