e > ie
e > i
o > ue
u > ue
Challenge
100

 "ellos/ellas"  / empezar.

What is empiezan?

100

 "ellos/ellas"  /  pedir.

What is piden?

100

 "tú"   /  almorzar.

What is almuerzas?

100

 "él/ella" /  jugar.

What is juega?

100

The stem change of the verb perder.

What is e > ie?

200

 "tú"  /  pensar.

What is piensas?

200

 "yo"  /  servir.

What is sirvo?

200

 "él/ella"   /   encontrar.

What is encuentra?

200

 "tú" / jugar.

What is juegas?

200

The stem change of the verb repetir.

What is e > i?

300

"yo"  /  preferir.

What is prefiero?

300

"tú"   /  medir.

What is mides?

300

 "él/ella"   /   dormir.

What is duerma?

300

 "ellos/ellas"  /  jugar.

What is juegan?

300

The stem change of the verb volver.

What is o > ue?

400

 "nosotros"  /  comenzar.

What is comenzamos?

400

 "nosotros" /  servir.

What is servimos?

400

 "yo" /  recordar.

What is recuerdo?

400

 "yo" /  jugar.

What is juego?

400

The stem change of the verb pedir.

What is e > i?

500

Complete the sentence: "Ella ______ (querer) un refresco."

What is quiere?

500

Complete the sentence: ¿Por qué ____ (repetir) la pregunta?

What is repites?

500

Complete the following sentence: "Cuánto _______ (costar) la hamburguesa?"

What is cuesta?

500

Complete the sentence: "Mis amigos y yo ______ (jugar) al fútbol cada semana."

What is jugamos?

500

What two forms of Spanish stem changing verbs do NOT have a stem change?

What are "nosotros" and "vosotros"?