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Special case present tense verbs
Stem-Changing Verbs“Boot Verbs”
Repaso: Present Tense Endings (Regular
Verbs)o amos
as X
a an o emos
es X
e en
o imos
es X
e en
AR
ER
IR
Step 1: Take
ending
off infinitive to
find
stem
Step 2: Add ending
to match subject
Stem-changing verbs
Are sometimes called “Boot Verbs”
Have a spelling change in the stem when conjugated into yo, tu, ud/él/ella, uds/ellos/ellas forms
NO CHANGE in nosotros
You already know one! - Jugar
*and Tener is a hybrid!
juego jugamos
juegas X
juega juegan
Stem-Change Rules:
Only 3 categories of changes:
E IE (We'll start here)
O UE
E I
Change the vowel in the stem closest to the ending.
Example (E-IE)
nevar (e -> ie) (to snow)
1st, find stem: nev ar
then, make spelling change: nev → niev
last, add ending: nievo nevamos **nievas Xnieva nievan
**Make NO change in Nosotros**
Example Chart
nievo nevamos
nievas X
nieva nievan
Makes the shape of a “boot”
E IE Verbs
๏empezar - to begin/start๏pensar - to think๏perder - to lose๏preferir - to prefer๏querer - to want๏mentir - to lie๏entender - to understand๏cerrar - to close๏defender - to defend
O UE Verbs๏almorzar - to eat lunch๏morir - to die๏mostrar - to show๏mover - to move๏poder - to be able to๏dormir - to sleep๏encontrar - to find๏recordar - to remember๏volver - to come back (return)๏devolver - to give back (return)
E I Verbs๏decir - to say/tell (**go)๏competir - to compete๏seguir - to follow๏repetir - to repeat๏reír - to laugh๏pedir - to ask for๏servir - to serve๏corregir - to correct๏sonreír - to smile๏gemir - to groan/moan