This is an irregular verb. It follows the conjugation pattern of the verb buscar.
PresentPresente
Cada día dedico dos horas al español.
Every day I devote two hours to Spanish.
ImperfectPretérito imperfecto
Mi padre dedicaba los domingos a la pesca.
My father used to devote Sundays to fishing.
ConditionalCondicional
Con más dinero, dedicaría tiempo a viajar.
With more money, I would devote time to traveling.