Are you looking for an free, engaging, no-prep activity to practice and assess student comprehension of stem-changing present tense verbs in Spanish? This fun dibujo misterioso (in Google Sheets™) is just the ticket! This digital activity works great on a laptop, desktop, Chromebook, tablet, or any other mobile device that can access the internet. This resource can be used as a pre- or post-test, quizzes, checks for understanding, grammar review, homework, and more! Because it is completely digi