Question

ar present tense
yo o nosotros/as amos
tú as vosotros/as áis
él/ella/ usted a ellos/ellas/ ustedes an
finish the sentence with the correct conjugation.
yo ? (caminar) mucho.
camino
camina
caminas

Explanation:

The subject is "Yo" (first-person singular). For -AR verbs in present tense, the ending for "yo" is "-o". Removing the "-ar" from "caminar" and adding "-o" gives the correct conjugation.

Answer:

camino