Stem-change conjugation of preterit verbs

1. Los con cambios en los radicales

2.  Regular verbs:
◦ Regular –ar verbs
◦ -car, -gar, -zar verbs
◦ Regular –er/-ir verbs
◦ Stem change verbs

3. Ayer Yesterday
Anoche Last night
El añopasado Last year
Anteayer Day before yesterday
Estamañana This morning
El veranopasado Last summer
La semanapasada Last week
El mespasado Last month
Hace 2 días Two days ago
Hace 3 años Three years ago

4.  Only –ir verbs stem change.
 Only in the third person – sandal ≠ shoe
◦ él/ella/Ud.
◦ Ellos/ellas/Uds.
 Drop the “e” in the change.
◦ e >i
◦ o >u

5. -í -imos
-iste -isteis
-ió -ieron

6. Me vestí Nosvestimos
I got dressed We got dressed
Te vestiste Os vestisteis
You got dressed Y’all got dressed
Se vistió Se vistieron
s/he got dressed They got dressed

7. serví servimos
I served We served
serviste servisteis
You served Y’all served
sirvió sirvieron
s/he served They served

8. dormí dormimos
I slept We got dressed
dormiste dormisteis
You slept Y’all slept
durmió durmieron
s/he slept They slept

9.  They slept in the school last night.
◦ Ellos _____ en la escuelaanoche.
 She got dressed for church.
◦ Ella _____ para la iglesia.
 I had fun at the party.
◦ Yo _____ a la fiesta.
 We served the people at the dinner.
◦ Nosotros _____ las personas a la cena.

10.  Identify the regular –er/-ir preterit endings.
 List 4 stem-change verbs.
 Conjugate any stem change verb.
 Communicate using the preterit.
◦ If not, please go to other practice links!