Preterite Stem-Changes

E:IE

100

Preferir-3rd Person sg

prefirió

200

Mentir-3rd Peron PL

Mintieron

300

Preferir-Nosotros form

Preferimos

E:I

100

Pedir-3rd Person Pl

Pidieron

200

Servir-3rd Person Sg

sirvió

300

Repetir-Yo form

Repetí

O:UE

100

Dormir-3rd person pl

durmieron

200

Dormir-3rd Person sg

Durmió

300

Morir-2nd Person sg

Moriste

Potpurri

100

True or False. Ir and Er verbs that are stem-changers in the present, also are stem-changers in the preterite. 

False. It is only Ir verbs

200

True or False. The stem changers only take place in the el and ellos forms.

True.

300

For stem-changers with two of the same changing vowels in the stem (repetir), is it the first or last vowel that is changed.

Last vowel.