Question

nombre _____________________________ fecha __________
i. instrucciones: subraya (highlight) la respuesta correcta de los apuntes guiados.
-ar and -er verbs do / do not get a stem change in the pretérito.
-ir stem changers do / do not get a full / partial spelling change.
o → ue / uí
e → ie / i
-ir stem changers only have the change 1st / 2nd / 3rd person singular and plural forms
ii. instrucciones: conjuga los tres verbos en las tablas al pretérito perfecto simple.
pedir = _____________

yo	nosotros
tú	vosotros
él/ella/usted	ellos/ellas/ustedes

dormir = _____________

yo	nosotros
tú	vosotros
él/ella/usted	ellos/ellas/ustedes

Explanation:

Section I:

1. Regular -ar and -er verbs do not undergo stem changes in the preterite tense; only -ir stem-changing verbs have partial changes here.
2. -ir stem changers only have a partial spelling change in the preterite, with specific vowel shifts (o→ú, e→í) limited to certain persons.
3. The stem change for -ir verbs in preterite only applies to the 3rd person singular and plural forms.

Section II:

For preterite conjugation of -ir stem-changing verbs:

• Pedir (e→í): The stem changes only in 3rd person forms; other persons use the regular stem.
• Dormir (o→ú): The stem changes only in 3rd person forms; other persons use the regular stem.

Answer:

Section I (Highlighted Correct Answers):

• -ar and -er verbs DO NOT get a stem change in the pretérito.
• -ir stem changers DO get a PARTIAL spelling change.
• o → Ú
• e → Í
• -ir stem changers ONLY have the change 3rd person singular and plural forms

Section II (Preterite Conjugations):

PEDIR = (e → í stem change in 3rd person)

yo	nosotros
tú pediste	vosotros pedisteis
él/ella/usted pidió	ellos/ellas/ustedes pidieron

DORMIR = (o → ú stem change in 3rd person)

yo	nosotros
tú dormiste	vosotros dormisteis
él/ella/usted durmió	ellos/ellas/ustedes durmieron