Stem-changing Verbs – TheWorksheets.CoM – Page 2

Stem-changing Verbs - Bucks County Community College

Spanish BCCC Tutoring Center Rev. 7/2015 Stem-changing Verbs Present Tense 1. The stem or root of a verb is the beginning of the verb before the –AR, -ER, or –IR ending. In the present tense some verbs may have a change in the stem. o In stem-changing verbs, the vowel e from the stem converts to ie, e > ie ...