Indirect objects expresses the idea of to whom? For whom? To what? For what? is the action performed for???? Indirect object pronouns are used to replace or help an indirect object noun. This simply just restates the subject as a pronoun.
Ex) Nuestros profesores no nos permitian beber refrescos en clase.
Our profersores does not allow us drink soft drinks in class.
Ex) Mis abuelos siempre les daban regalos a los niños.
My grandparents always give presents to children.
* le and les have more than one meaning, so you can make the meaning clear by adding a+noun or pronoun.
Ex) Lolita siempre les decia la verdad a sus padres.
*Indirect object pronouns are placed right before the verb or attached to the infinitive.
Ex) Siempre le queria comprar dulces a su hija.
Siempre queria comprarle dulces a su hija.
