Some verbs, like servir and pedir are called e‑to‑i stem‑changing verbs. Their e changes to i in most forms.
verb (servir) | verb (pedir) |
---|---|
sirvo | pido |
sirves | pides |
sirve | pide |
servimos | pedimos |
sirven | piden |
Like other stem‑changing verbs, the e doesn’t change in the nosotros / nosotras form.