Conjugate deber in the present tense in Spanish (El Presente)

The Spanish modal verb "deber" is a regular verb inEl Presente.

Learn how to conjugate "deber" in El Presente in Spanish

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 in Spanish: Conjugate regular -er verbs in the present tense in Spanish (El Presente).

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 multiplicar.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 in Spanish + infinitive to express must, can, to want to (Verbo modal).

Want to make sure your Spanish sounds confident? We’ll map your knowledge and give you free lessons to focus on your gaps and mistakes. Start your Brainmap today »

Learn more about these related Spanish grammar topics

Examples and resources

Debo trabajar ocho horas al día.I must work eight hours per day.
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.
Debes usar crema solar en la playa.You must use sunscreen at the beach.
Pablo debe estudiar todas las tablas de multiplicar.Pablo must study all the multiplication tables.
Let me take a look at that...