1. Stem-changing Verbs and Verbs w/ Spelling Changes

2. Stem-changing verbs There are 4 types of stem-changes o -> ue
u -> ue
e -> ie
e -> I
Examples:
encontrar (o -> ue) querer (e -> ie)
jugar (u -> ue) servir (e -> i)

3. Verbos con el cambio e -> ie
Encender – to light
Entender – to understand
Perder – to lose
Querer – to want
Advertir – to warn
Mentir – to lie
Preferir – to prefer
Sentir – to feel
Cerrar – to close
Comenzar – to begin
Despertar – to wake
Empezar – to begin
Pensar – to think
Quebrar – to break
Defender – to defend
Descender – to descend

4. Verbos con el cambio e -> i
Pedir – to ask for
Reír – to laugh
Repetir – to repeat
Seguir – to follow
Servir – to serve
Sonreír – to smile

5. Verbos con el cambio o -> ue
almorzar – to eat lunch devolver – to return (give back)
contar – to tell, relate mover – to move
costar – to cost oler – to smell
encontrar – to find, meet poder – to be able (can)
mostrar – to show resolver – to solve
probar – to try soler – to be used to
recordar – to remember volver – to return (come back)
sonar – to ring, sound dormir – to sleep
soñar – to dream morir – to die

6. Verbo con el cambio u -> ue
Jugar = to play (a game, sport)

7. Otros verbos con cambio
Oler = to smell o->hue
Reír & sonreír = to laugh & smile
accent over the í in all forms
Seguir = to follow gu->g before
o and a