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Stem changing verbs

pensar to think(e-ie)
querer to want(e-ie)
cerrar to close (e-ie)
defender to defend (e-ie)
preferir to prefer(e-ie)
entender to understand(e-ie)
perder to prefer(e-ie)
comenzar to begin/to start(e-ie)
empezar to begin/to start(e-ie)
encender to turn on(e-ie)
poder can/to be able to(o-ue)
volver to return(yourself)/go back(o-ue)
devolver to return(item)/give something back (o-ue)
dormir to sleep(o-ue)
almorzar to eat/to have lunch(o-ue)
costar to cost(o-ue)
llover to rain(o-ue)
soNar to dream(o-ue)
recordar to remeber(o-ue)
morir to die(o-ue)
Created by: JaimbowRainbow