stem changing verbs
definition verbs that have a spelling change in their "stem". verbs that have a spelling change in their "stem"."stem"= infinitive - ar,er,ir
conjugation endings are NOT affected by the stem change conjugation endings are NOT affected by the stem change
conjugation ARERIR
STEM CHANGE= A VOWEL IN THE STEM OF THE VERB WILL CHANGE IN ALL FORMS OF THE VERB EXCEPT NOSOTROS AND VOSOTROS E>IE O>UE E>I U>UE
YOU HAVE TO MEMORIZE WHICH VERBS ARE STEM CHANGING VERBS YOU CAN NOT TELL BY LOOKING AT A VERB IF IT HAS A STEM CHANGE
JUGAR (to play) u>ue juego jugamos juegas jugáis juega juegan
TRANSLATE I play soccer in the afternoon. You are playing tennis with me at 3:00. Do you play basketball? Roberto has to play baseball for Cathedral. I want to play ping pong. You should play hockey.
e>ie cerrarperder empezarpreferir entenderquerer merendarpensar
cerrar cierrocerramos cierrocerramos cierrascerráis cierrascerráis cierracierran cierracierran
preferir prefieropreferimos prefierespreferís prefiereprefieren
perder pierdoperdemos pierdesperdéis pierdepierden
e>i pedirseguir servirrepetir
pedir pidopedimos pidespedís pidepiden
all e>i stem changing verbs are IR verbs
o>ue almorzardormir contarencontrar costarpoder devolverrecordar volver
dormir duermodormimos duermesdormís duermeduermen
endings are NOT affected
conjugation endings are NORMAL
the stem has a spelling change e>ie o>ue e>i u>ue