Preterite of -ir stem-changing verbs

Presentación del tema: "Preterite of -ir stem-changing verbs"— Transcripción de la presentación:

1 Preterite of -ir stem-changing verbs
-original PowerPoint by Mrs. Shirley of Broken Arrow, OK

2 Preterite of -ir stem-changing verbs
You know that stem changes in the present tense take place in all forms except in the nosotros form (you stem change IN THE BOOT.

3 Preterite of -ir stem-changing verbs
In the preterite, -ir verbs like preferir, pedir, and dormir also have stem changes but only in the Ud./él/ella and Uds./ellos/ellas forms (the 3rd and 6th boxes). I call this the sole of the boot. In these forms e changes to i and o changes to u.

4 Do you remember the preterite -ir endings?
-í -iste -ió -imos -ieron

5 PEDIR (e > i) pedí pediste pidió pedimos pidieron

6 REPETIR (e > i) repetí repetiste repitió repetimos repitieron

7 VESTIRSE (e > i) me vestí te vestiste se vistió nos vestimos se vistieron

8 SERVIR (e > i) serví serviste sirvió servimos sirvieron

9 PREFERIR (e > i) preferí preferiste prefirió preferimos prefirieron

10 DIVERTIRSE (e > i) me divertí te divertiste se divirtió nos divertimos se divirtieron

11 Preterite of -ir stem-changing verbs
Note the special spelling of the preterite forms of freír: You must keep an accent on the "I" in the 2nd box. Get rid of the double "I" in the third box. Add an accent to the "I" in the fourth box. Get rid of the double " I" in the last box and DO NOT add an accent.

12 FREÍR (e > i) Freímos Frieron Freí Freíste Frió

13 DORMIR (o > u) dormí dormiste durmió dormimos durmieron