Creative Commons sites

• Stem Changing Verbs: https://www.antonioluna.org/2013/10/mas-ejercicios-ecologicos.html
• Spanish Exercises- Stem changing verbs: https://en.wikibooks.org/wiki/Spanish/Exercises/Stem_Changing_Verbs

Videos

• Understanding -UE stem changing verbs in Spanish: https://www.youtube.com/watch?v=8rcLh0P2afk
• Understanding -IE stem changing verbs in Spanish: https://www.youtube.com/watch?v=PUjnwoUrCG8
• Stem changing verbs, O to UE: https://www.youtube.com/watch?v=loB9a5fOV-Y

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