Iam in spanish 2 at my school, and missed a lot. how are irregular verbs that end in "car", "gar", and "zar" that are in the "yo form" supposed to be conjugated?

1. dadas las siguientes proposiciones: indicar cuál (o cuáles) es una contingencia utilizando tablas de verdad 1) (p ? q) v ? p 2) ? (p ? q) ? q 3) ? (p ? q) v ? q 4) ? (p ? q) ? (p v q) 5) ? (p ? q) ? (p v ? q) 6) ? (p ? q) v (? p ? ? q)