Conjugate deber in El Presente (present tense)

Take a look at the conjugation of deber (must) in El Presente:

yo debo
debes
él / ella / Ud. 
debe
nosotros / nosotras 
debemos
vosotros / vosotras 
debéis
ellos / ellas / Uds.   
deben

The endings are the same as regular -er verbs: Conjugate regular -er verbs in El Presente (present tense).

Look at and listen to these examples:

Debo trabajar ocho horas al día.
I must work eight hours per day.

Debes usar crema solar en la playa.
You must use sunscreen at the beach.

Pablo debe estudiar todas las tablas de memoria.
Pablo must study all the multiplication tables.

Nosotros debemos venir al colegio a las ocho.
We must come to school at eight.

Vosotras debéis respetar a los profesores.
You must respect the teachers.

Ustedes deben llegar puntuales.
You must arrive on time.

Note that in the examples above, the modal verb deber is followed by an infinitive.

See also Using deber, poder, querer + infinitive to express must, can, to want to.

Learn more about these related Spanish grammar topics

Examples and resources

Debes usar crema solar en la playa.
You must use sunscreen at the beach.


Debo trabajar ocho horas al día.
I must work eight hours per day.


Pablo debe estudiar todas las tablas de memoria.
Pablo must study all the multiplication tables.


Ustedes deben llegar puntuales.
You must arrive on time.


Vosotras debéis respetar a los profesores.
You must respect the teachers.


Nosotros debemos venir al colegio a las ocho.
We must come to school at eight.


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