Meanings (ES + gloss)
deber • tener que
To do as a requirement; indicates that the sentence subject is required as an imperative or directive to execute the sentence predicate, with failure to do so resulting in a failure or negative consequence.
This door handle must be rotated fully.
You must arrive in class on time.
deber de
Used to indicate that something is very likely, probable, or certain to be true.
The children must be asleep by now.
There's the doorbell. It must be Dad.
Phrases
Assad must go curseCaesar's wife must be above suspicionI must goI must love you and leave youI must sayall good things must come to an endcool heads must prevailcooler heads must prevailevery dog must have his dayevery dog must have its daymust get in frontmust have killed a Chinamanmust needsmust watchmust-buymust-learnmust-linkmust-listeningmust-movemust-readmust-trymust-winmusturbationneeds mustneeds must when the devil drivesthe show must go onthe strong do what they can and the weak suffer what they mustthere must be something in the waterwant must be one's masterwhat goes up must come downyou must be fun at partiesyou must be new hereyou must spoil before you spin