1. Preterite Stem-Changing Verbs
Preteritos Irregulares

2. Preterite of stem-changing verbs
In the Preterite -ir verbs like; dormir,pedir, y preferir stem-change in the él/ella/Ud.forms and the ellos/ellas/Uds forms.
REMEMBER: There are NO stem-changing –ar or –er verbs in the Preterite.

3. Preterite of stem-changing verbs
DORMIR – to sleep
(o to ue in the present tense) (o to u in the preterite tense)
dormí dormimos
dormiste dormisteis
durmió durmieron

4. Preterite of stem-changing verbs
MORIR – to die
(o to ue in the present tense)
(o to u in the preterite tense)
Morí Morimos
Moriste Moristeis
Murió Murieron

5. PREFERIR – to prefer Preferí Preferimos Preferiste Preferisteis
Preterite of stem-changing verbs
PREFERIR – to prefer
(e to ie in the present tense)
(e to i in the preterite tense)
Preferí Preferimos
Preferiste Preferisteis
Prefirió Prefirieron

6. SENTIR – to feel Sentí Sentimos Sentiste Sentisteis Sintió Sintieron
Preterite of stem-changing verbs
SENTIR – to feel
(e to ie in the present tense)
(e to i in the preterite tense)
Sentí Sentimos
Sentiste Sentisteis
Sintió Sintieron

7. DIVERTIRSE – to have fun
Preterite of stem-changing verbs
DIVERTIRSE – to have fun
(e to ie in the present tense)
(e to i in the preterite tense)
Me divertí Nos Divertimos
Te divertiste Os Divertisteis
Se Divirtió Se Divirtieron

8. Preterite of stem-changing verbs
Verbs you are responsible for:
Repetir
Conseguir
Despedir
Despedirse
Medir
Pedir
Seguir
Servir
Vestir
Vestirse
Preferir
Advertir
Convertir
Convertirse en
Divertirse
Mentir
Sentir
Sentirse

9. Preterite of stem-changing verbs
Reír – to laugh
Reí Reímos
Reíste Reísteis
Rió Rieron
Sonreí Sonreímos
Sonreíste Sonreísteis
Sonrió Sonrieron
Sonreír – to smile
*In the third person singular and plural line the E is dropped

10. Preterite of stem-changing verbs
LEER – to read
Leí Leímos
Leíste Leísteis
Leyó Leyeron
* In words with a vowel immediately before the ending. The third person singular and plural takes on a y.

11. Preterite of stem-changing verbs
CREER – to believe
Creí Creímos
Creíste Creísteis
Creyó Creyeron

12. Other verbs that change like Leer y Creer
Caer
Oír
Poseer
Exceptions are: Traer, atraer, and all verbs ending in –guir.

13. CONSTRUIR – to construct
Preterite of stem-changing verbs
CONSTRUIR – to construct
Construí Construimos
Construiste Construisteis
Construyó Construyeron
These are the same endings for other verbs
ending in –UIR.

14. Other verbs that change like Constuir
Preterite of stem-changing verbs
Other verbs that change like Constuir
Distribuir
Huir
Incluir
Contribuir

15. Words used with the Preterite
Preterite of stem-changing verbs
Words used with the Preterite
Ayer- yesterday
ayer por la mañana-yesterday morning
ayer por la tarde- yesterday afternoon
Anteayer- the day before yesterday
Anoche- last night
desde el primer momento - from the first moment
Después – afterwards
durante dos siglos - for two centuries
el año pasado- last year
el lunes por la noche - Monday night
el mes pasado - last month
el otro día - the other day
en ese momento - at that moment
Entonces – then
esta mañana - this morning
esta tarde - this afternoon
hace dos días, años - two days, years ago
la semana pasada - last week

16. Preterite of stem-changing verbs
Actividad
1. RELATIVE             2. ADJECTIVE         3. ADJECTIVE         4. NAME OF PERSON IN ROOM         5. TYPE OF FOOD   6. ADJECTIVE         7. ACTIVITY YOU LIKE 8. BODY PART          9. FAVORITE STORY                 PLACE
11. DIFFERENT PLACE         VERB        VERB         LEAST FAVORITE FOOD
15.   PERSON  16. RELATIVE         PERSON IN ROOM

17. Mad Libs
Dear 1,
I am 2 here at Camp Pancho. The other day I met a new friend who is very 3. Her/his name is 4. We ate 5 en the cafeteria. The food was 6. Yesterday 4 walked but I preferred to 7 for activity day. We had fun. Then, 4 fell and broke his/her 8. Last night we went to fire and we heard a story about 9. I was afraid (I had fear). I believed it but 4 did not believe it. I slept in the 10 for two nights and last night I slept in the 11. This morning 4 smiled at me when I 12. I laughed and 13. We ate 14 for the last time. I looked for 15 to give (don’t conjugate) them a hug because it is our last (ultima) day.
See you soon!
Your 16, 17