This document lists several Spanish verbs that have irregular first person singular present tense forms, such as "yo caigo" for "to fall" and "yo conduzco" for "to drive". It provides the first person form of these verbs like "hacer" (yo hago), "decir" (yo digo), and "poner" (yo pongo). Finally, it gives examples sentences using these irregular verb forms such as "conduzco el carro" and "oigo la música".