Stem Changing in the Preterite
Conjugate into the present tense (yo) preferir (ellos) servir (nosotros) vestirse (tú) competir (usted) seguir
The 4 ways to stem change! e-ie e-i (preferir, venir, comenzar) o-ue u-ue (preferir, venir, comenzar) (pedir, repetir, vestir) (morir, encontrar, dormir) (jugar)
Q U E IE R E R Stem Change Review Remove the ending Find the stem How do you change QUERER (e-ie)? Q U E IE R E R FOLLOW THESE STEPS: Quiero Quieres Quiere Queremos Queréis Quieren Remove the ending Find the stem Change the stem Conjugate!
How do you know when to stem change? You had to memorize a list of stem change verbs: Querer (e-ie) Empezar (e-ie) Jugar (u-ue) Pedir (e-i,i) Encontrar (o-ue) Etc…
Stem changing in the preterite is EASY!!!! Follow these simple rules: You stem change only “-IR” verbs. You only stem change the 3rd person forms. The verb will only change from “E-I” or “O-U”. You conjugate the other forms like normal. í imos iste isteis ió ieron
CHECK LIST: Is it an “-IR” verb? Is it a stem changer? Is it in the 3rd person?
List of common -IR stem changers: Mentir Sentir Preferir Morir Dormir Pedir Repetir Seguir Servir Vestir
D U O R M I R Stem Change Preterite Remove the ending Find the stem How do you change DORMIR (o-ue,u)? D U O R M I R FOLLOW THESE STEPS: Remove the ending Find the stem Change the stem (only in Ella and Ellas) Conjugate! Dormí Dormiste Durmió Dormimos Dormisteis Durmieron
P E I D I R Let’s Try Another Remove the ending Find the stem How do you change PEDIR (e-i, i)? P E I D I R FOLLOW THESE STEPS: Remove the ending Find the stem Change the stem (only in Ella and Ellas) Conjugate! Pedí Pediste Pidió Pedimos Pedisteis Pidieron
C U O S T A R Let’s Try Another Remove the ending Find the stem How do you change COSTAR (o-ue)? C U O S T A R FOLLOW THESE STEPS: Remove the ending Find the stem Change the stem (only in Ella and Ellas) Conjugate! Costé Costaste Costó Costamos Costasteis Costaron
Conjugate into the preterite tense (yo) preferir (ellos) servir (nosotros) vestirse (tú) competir (usted) seguir
¡PRÁCTICA! Morir (yo) Morí Repetir (Uds.) Repitieron Preferir (yo) Almorzar (ellos) Servir (Ud.) Vestir (ellas) Sentir (tú) Competir (vosotros) Morí Repitieron Preferí Almorzaron Sirvió Vistieron Sentiste Competisteis