e > ie
e > i
o > ue
u > ue
Challenge
100
The proper present tense conjugation for the "ellos/ellas" form of the verb empezar.
What is empiezan?
100
The proper present tense conjugation of the "ellos/ellas" form of the verb pedir.
What is piden?
100
The proper present tense conjugation of the "tu" form of the verb almorzar.
What is almorzas?
100
The proper present tense conjugation of the "el/ella" form of the verb jugar.
What is juega?
100

The stem change of the verb poder?

What is o > ue?

200
The proper present tense conjugation in the "tu" form of the verb pensar.
What is piensas?
200
The proper present tense conjugation of the "yo" form of the verb servir.
What is sirvo?
200
The proper present tense conjugation of the "el/ella" form of the verb encontrar.
What is encuentra?
200
The proper present tense conjugation of the "tu" form of the verb jugar.
What is juegas?
200
The stem change of the verb repetir.
What is e > i?
300
The proper present tense conjugation for the "yo" form of the verb preferir.
What is prefiero?
300

The proper present tense conjugation of the "tu" form of the verb medir (to measure)

What is mides?

300
The proper present tense conjugation of the "el/ella" form of the verb costar.
What is cueste?
300
The proper present tense conjugation of the "ellos/ellas" form of the verb jugar.
What is juegan?
300
The stem change of the verb volver.
What is o > ue?
400
The proper present tense conjugation for the "nosotros" form of the verb comenzar.
What is comenzamos?
400
The proper present tense conjugation of the "nosotros" form of the verb servir.
What is servimos?
400
The proper present tense conjugation of the " yo" form of the verb recordar.
What is recuerdo?
400
The proper present tense conjugation of the "yo" form of the verb jugar.
What is juego?
400

Write a grammatically correct sentence with a stem changing verb.

Open-ended

500

How you complete "Ella ______ (querer) un refresco."

What is quiere?

500

Write a grammatically correct sentence with an e-i stem changing verb.

Open-ended

500

How you complete "Tu _______ (dormir) todos los noches."

What is duermes?

500

How you complete "Mis amigos y yo ______ (jugar) futbol cada semana."

What is jugamos?

500

The stem change of the verb perder (to loose).

What is e > ie?


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