This is a regular verb. It follows the conjugation pattern of the verb hablar.
PresentPresente
Esa camisa combina bien con tus zapatos.
That shirt goes well with your shoes.
PreteritePretérito indefinido
La cocinera combinó mango y chile en la salsa.
The cook combined mango and chili in the sauce.
ConditionalCondicional
Yo combinaría el azul con el blanco.
I would combine the blue with the white.