Transcript Stem-Changing Verbs - Welcome to SchoolPage

Stem-Changing
Verbs
Overview
Remember that verbs are divided into two parts.
You have the infinitive ending and the stem.
hablar
stem
infinitive ending
Ok, sooo what are stemchanging verbs?
• Verbs whose stem undergo a
spelling change.
• These are also known as boot
verbs.
• Stem-changing verbs take regular
present tense verb endings.
• The nosotros and vosotros forms
DO NOT stem change.
Stem-Changing Categories
o  ue
e  i
e  ie
ue  uie (only querer)
u  ue (only jugar)
o ue
almorzar to eat lunch
devolver to return (an object)
costar to cost
volver to return (from someplace)
dormir to sleep
morir to die
mover to move (an object)
poder to be able to, can
encontrar to find
ei
servir to serve
pedir to ask for, to order
despedir(se) to dismiss, fire, to
say goodbye (¡Despedidos!)
corregir to correct
repetir to repeat
reír to laugh
decir (*) to say, tell
seguir to follow, continue
sonreír to smile
e  ie
pensar (en) to think about
mentir to lie
empezar to begin
perder to lose
cerrar to close, shut
comenzar to begin
entender to understand
preferir to prefer
tener to have
venir to come
How to conjugate
• You take the infinitive ending off.
• Change the stem of all verb forms
except nosotros and vosotros.
• Add the appropriate ending in the
present tense.
Example
dormir
stem
infinitive ending
We know that dormir is oue so the “o” will
change in all forms except nosotros and vosotros.
dormir – to sleep
Yo duermo.
Nosotros dormimos.
Tú duermes.
Vosotros dormís.
Él duerme.
Ella duerme.
Ud. duerme .
Ellos duermen.
Ellas duermen.
Uds. duermen.
Another example
pedir
stem
infinitive ending
We know that pedir is ei so the “e” will change
in all forms except nosotros and vosotros.
pedir – to ask for, to order
Yo pido.
Nosotros pedimos.
Tú pides.
Vosotros pedís.
Él pide.
Ella pide.
Ud. pide .
Ellos piden.
Ellas piden.
Uds. piden.
Y otro ejemplo….
preferir
stem
infinitive ending
We know that preferir is eie so the “e” closest
to the infinitive will change in all forms except
nosotros and vosotros.
preferir – to prefer
Yo prefiero.
Nosotros preferimos.
Tú prefieres.
Vosotros preferís.
Él prefiere.
Ella prefiere.
Ud. prefiere .
Ellos prefieren.
Ellas prefieren.
Uds. prefieren.
Practice
Write the correct form of the verb in parenthesis.
1.
2.
3.
4.
5.
almuerzan
Mis amigos ___________
a la una. (almorzar)
encuentran
Los estudiantes ____________
la respuesta correcta.
(encontrar)
pedimos
En el restaurante, nosotros __________
una tortilla.
(pedir)
repite
La maestra ___________
las palabras para los
estudiantes. (repetir)
prefieres
Tu ____________
la limonada en vez del refresco.
(preferir)