Buen Viaje 1 - 14.3 Verbos con el cambio e->i en el presente (Review Stem-changer or not?) How well can you identify stem-changing verbs? The verbs below may be stem-changing, "yo-go", both or nothing at all. Can you put them in their proper categories? Tools See a list of terms used in this activity. Activity created by: Sra. Soares This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.