1. Yo prefiero el helado de chocolate y no el de vainilla.
2. Mañana mi madre viene a visitarme.
Explanation:
When we build sentences we must determine the grammatical person, the gender, the number, the verb and the time in which we want to pose it. In this way we will be able to logically conjugate the verb within the sentence and that it has concordance with what you want to express.
