Conjugate deber in El Pretérito Imperfecto

Deber (must/have to) is regular in El Pretérito Imperfecto.
Have a look at its conjugation:

yo debía
debías
él / ella / Ud. debía
nosotros / nosotras 
debíamos
vosotros / vosotras
debíais
ellos / ellas / Uds.   debían

Read and listen to these examples:

Yo debía ir a la escuela todos los días.I had to go to school every day.

debías acompañar a tu abuela a la calle.You had to accompany your grandmother outside.

Él debía leer muchos libros.He had to read many books.

Nosotros debíamos jugar al fútbol sin rodilleras.We had to play football without kneepads.

Vosotras debíais escribir con la mano izquierda.You had to write with your left hand.

Ustedes debían llevar una botella de agua.You had to bring a bottle of water.

 

Look how in the examples deber is always followed by an infinitive. We use deber in El Pretérito Imperfecto combined with another verb to express what "you had to do in the past" or what "you used to have to do in the past"


See also Conjugate regular -er and -ir verbs in El Pretérito Imperfecto (imperfect)

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Examples and resources

Nosotros debíamos jugar al fútbol sin rodilleras.We had to play football without kneepads.
Él debía leer muchos libros.He had to read many books.
debías acompañar a tu abuela a la calle.You had to accompany your grandmother outside.
Yo debía ir a la escuela todos los días.I had to go to school every day.
Ustedes debían llevar una botella de agua.You had to bring a bottle of water.
Vosotras debíais escribir con la mano izquierda.You had to write with your left hand.
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