1. Los verbos con cambios de raiz en el presente:
o  ue & uue

2. There are four types or classes of “boot” verbs.
When a line is drawn around the forms that change, the resulting shape vaguely resembles a boot or high-top shoe; thus, these verbs are sometimes informally called “boot” or “shoe” verbs.

3. We’ll use dormir, to sleep, as an example of this type.
Type 1: o  ue
We’ll use dormir, to sleep, as an example of this type.
dormir
duermo
duermes
duerme
dormimos
dormís
duermen

4. Here are some other common o  ue verbs:
almorzar
To have lunch
llover
to rain
encontrar
to find
poder
to be able; can
recordar
to remember
soñar (con)
to dream (about)
volver
to return, to come back

5. We’ll use jugar, to play, as an example of this type.
Type 2: u  ue
We’ll use jugar, to play, as an example of this type.
jugar
juego
juegas
juega
jugamos
jugáis
juegan

6. Los verbos con cambios de raiz en el presente:
eie & ei

7. We’ll use empezar, to start/begin, as an example of this type.
Type 3: e  ie
We’ll use empezar, to start/begin, as an example of this type.
empezar
empiezo
empiezas
empieza
empezamos
empezáis
empiezan

8. Here are some other common e  ie verbs:
cerrar
to close
comenzar
to begin/start
empezar
to begin
pensar
to think
perder
to lose
querer
to want
sentir
to feel
mentir
to lie
preferir
to prefer

9. We’ll use pedir, to ask for, as an example of this type.
Type 4: e  i
We’ll use pedir, to ask for, as an example of this type.
pedir
pido
pides
pide
pedimos
pedís
piden

10. Here are some other common e  i verbs:
impedir
to prevent
medir
to measure
pedir
to ask for
reír
to laugh
seguir
to follow
servir
to serve
sonreír
to smile
repetir
to repeat
elegir
to choose