Stem changing verbs: Present

cerrar

cierr-
to close

comenzar

comienz-
to begin

empezar

empiez-
to begin

entender

entiend-
to understand

mentir

mient-
to lie

recomendar

recomiend-
to reccomend

pensar

piens-
to think

perder

pierd-
to lose, to waste

preferir

priefer-
to prefer

querer

quier-
to want, to lose

pedir

pid-
to ask for

repetir

repit-
to repeat

sequir

sigu-
yo is sigo
to follow; to continue doing something

servir

sirv-
to serve

encontrar

encuentr-
to find

almorzar

almuer-
to have lunch

costar

cuest-
to cost

dormir

duerm-
to sleep

mostrar

muestr-
to show

morir

muer-
to die

poder

pued-
to be able to

volver

vuelv-
to return

recordar

recuerd-
to remeber

jugar

jueg-
to play