There are three types of regular verbs in Spanish: verbs that end in –ar, verbs that end in –er, and verbs that end in –ir. You’ve already learned –ar.
The Present Tense of Stem-Changing Verbs: e ie, e i, o ue (El tiempo presente de los verbos de cambio radical)
Now for – er verbs:
Verbs in the Present Tense