Short Answer:
Conjugate the verb preferir in all forms in the Present Tense.
What takes place in the conjugation that makes this verb a stem-changing verb?
(4 points)
The conjugation of the verb preferir in the Present Tense is as follows:
yo prefiero
tú prefieres
él/ella/usted prefiere
nosotros/as preferimos
vosotros/as preferís
ellos/ellas/ustedes prefieren
The conjugation of preferir is a stem-changing verb because in all forms except for nosotros/as and vosotros/as, the e in the stem changes to an ie.