Stem-Changing Verbs Practice
Fill in the blanks with the correct stem-changing verb form
Stem Change Patterns
E → IEpensar, querer, preferir
O → UEpoder, dormir, volver
E → Ipedir, servir, repetir
Beginner
3 exercises Stem-ChangingBeginner
E → IE Stem-Changing Verbs
Practice verbs like pensar, querer, preferir where E changes to IE
Stem-ChangingBeginner
O → UE Stem-Changing Verbs
Practice verbs like poder, dormir, volver where O changes to UE
Stem-ChangingBeginner
E → I Stem-Changing Verbs
Practice -ir verbs like pedir, servir, repetir where E changes to I
Elementary
1 exercisesIntermediate
4 exercises Stem-ChangingIntermediate
The Nosotros/Vosotros Trap
Focus on nosotros and vosotros forms - remember, they DON'T stem change!
Stem-ChangingIntermediate
Preterite Stem Changes
Only -ir verbs change in preterite, and only in 3rd person (él/ella/ellos). E→I and O→U.
Stem-ChangingIntermediate
Present Subjunctive Stem Changes
Stem changes in subjunctive. Note: -ir verbs also change in nosotros/vosotros (e→i, o→u)!
Stem-ChangingIntermediate
Gerunds with Stem Changes
Only -ir stem-changing verbs change in the gerund: e→i (pidiendo) and o→u (durmiendo).
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Check out our comprehensive grammar guide: