"Sole" Verbs/-IR Preterite Stem-Changing Verbs

Boot verbs in the present tense change in the _____ forms.

• él, ella, usted, ellos, ellas, ustedes

• yo, tú, él, ella, usted, ellos, ellas, ustedes

Sole verbs only stem change in the ____ forms in the preterite. 

• él, ella, usted, ellos, ellas, ustedes

• nosotros, vosotros

Pedir...

• ...is an o -> ue stem changer

• ...is an e -> i stem changer

The preterite endings for -IR stem changing verbs is ______ the preterite endings for regular -IR verbs.

• different from

• the same as

Dormir...

• ...is an o - u stem changer.

• ...is an e - i stem changer.

E - I preterite stem changers include...

• jugar, dormir, costar, querer

• preferir, servir, vestirse, competir, seguir