Les compran regalos a sus padres:)
Definition. A preposition is a word or set of words that indicates location (in, near, beside, on top of) or some other relationship between a noun or pronoun and other parts of the sentence (about, after, besides, instead of, in accordance with).
sorry if this was not what u were looking for
No tengo hambre. Comi muchas palomitas y dulce de chocolate en la pelicula.
These are my notes on it. hope it helps. :)