8.1 Preterite of stem-changing verbs

ANTE TODO As you learned in Lección 6, –ar and –er stem-

changing verbs in the present have no stem change in the preterite.

The –ir stem-changing verbs in the present however, do have a stem change.

Study the charts in the next slide and observe where the stem changes occur. These verbs are sometimes referred to as Slipper Verbs (preterite), as opposed to Boot Verbs (present). They take regular –ir preterite endings.

8.1 Preterite of stem-changing verbs

servir (to serve) dormir (to sleep)

SINGULAR FORMS

yo serví dormí tú serviste dormiste

Ud. / él / ella sirvió durmió PLURAL FORMS

nosotros/as servimos dormimos vosotros/as servisteis dormisteis

Uds. / ellos / ellas sirvieron durmieron

8.1 Preterite of stem-changing verbs

Stem-changing –ir verbs, in the preterite only, have a stem change in the third-person singular and plural forms. The stem change consists of either e to i or o to u, and occurs in the vowel closest to the ending. (preferir)

(ei) pedir : pidió, pidieron

(o u) morir (to die) : murió, murieron

8.1 Preterite of stem-changing verbs Preferir:

(e→ie present) (e→i preterite) BOOT SLIPPER

Prefiero Preferimos Preferí Preferimos

PrefieresPreferís Preferiste PreferisteisPrefiere Prefieren Prefirió Prefirieron

8.1 Preterite of stem-changing verbs Some common –ir stem changing verbs in the

preterite are: (* means reflexive)(ei) (o u)

servir (to serve) dormir (to sleep) pedir (to ask for, to order) dormirse (to fall sleep)* repetir (to repeat) morir (to die) seguir (to follow) morirse de hambre * (to die conseguir (to get; obtain) of hunger, not literally) preferir (to prefer) sentirse (to feel) * despedirse (to say goodbye) * vestirse (to get dressed) *

8.1 Preterite of stem-changing verbs

When a verb is reflexive, you must include the reflexive pronoun before the conjugated verb.

vestirse me vestí nos vestimos te vestiste os vestisteis se vistió se vistieron

8.1 Preterite of stem-changing verbs¡INTÉNTALO! Cambia los infinitivos al pretérito y di el significado

en inglés.

1. Yo ____. (servir, dormir, pedir, preferir, repetir, seguir)serví ( I served.)dormí ( I slept.)pedí (I ordered.)preferí (I prefered.)repetí (I repeated.)seguí (I followed.)

8.1 Preterite of stem-changing verbs

2. Ellas ____.(repetir, dormir, seguir, preferir, morir, servir)

repitieron (They repeated.) durmieron (They slept.) siguieron (They followed.) prefirieron (They preferred.) murieron (They died.)

sirvieron (They served.)

8.1 Preterite of stem-changing verbs3. Tú ____. (conseguir, servir, morir, pedir, dormir, repetir)

conseguiste (You got.)serviste (You served.)moriste (You died.)pediste (You ordered.)dormiste (You slept.)

repetiste (You repeated.)

8.1 Preterite of stem-changing verbs4. Usted ____. (morir, conseguir, pedir, sentirse,

despedirse, vestirse)

murió (You died.)consiguió (You got.)pidió (You ordered.)se sintió (You felt.)se despidió (You said goodbye.)se vistió (You got dressed.)

8.1 Preterite of stem-changing verbs5. Ustedes ____. (sentirse, vestirse, conseguir, pedir,

despedirse, dormirse) se sintieron (You all felt.)

se vistieron (You all got dressed.)consiguieron (You all got.)pidieron (You all ordered.)se despidieron (You all said goodbye.)se durmieron (You all fell asleep.)

8.1 Preterite of stem-changing verbs6. Nosotros ____. (seguir, preferir, servir, vestirse,

despedirse, dormirse)

seguimos (We followed.)preferimos (We preferred.)servimos (We served.)nos vestimos. (We got dressed.)nos depedimos (We said goodbye.)nos dormimos (We fell asleep.)

8.1 Preterite of stem-changing verbs

7. Él ____. (dormir, morir, preferir, repetir, seguir, pedir) durmió (He slept.)

murió (He died.) prefirió (He preferred.) repitió (He repeated.) siguió (He followed.) pidió (He ordered.)

8.1 Preterite of stem-changing verbs

¡Salieron muy bien!

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