This is a regular verb. It follows the conjugation pattern of the verb hablar.
PresentPresente
Me interesan mucho las películas de historia.
I am very interested in history movies.
ImperfectPretérito imperfecto
De niña, le interesaban los dinosaurios.
As a girl, she was interested in dinosaurs.
ConditionalCondicional
¿Te interesaría un viaje a Perú este verano?
Would you be interested in a trip to Peru this summer?