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28. Irregular Verbs in the Past — Part 2

Source: video

Part 2 finishes the irregular preterites: a few one-off "miscellaneous" verbs (caber, poder, saber, querer), the ver/dar pair, the stem-changing -ir verbs that change only in the third person, the y-insertion verbs (leer, creer, oír), and the yo-only spelling changes for -car, -gar, -zar verbs.

Key Rules

  • Caber → cupe, poder → pude, saber → supe, querer → quise — all share the same irregular pattern as Part 1.
  • Ver and dar use the regular -er/-ir preterite endings but without accents: vi, viste, vio… and di, diste, dio….
  • Stem-changing -ir verbs (sentir, pedir, dormir…) keep regular endings but change e→i or o→u only in él/ella and ellos.
  • Leer, creer, oír insert a y in the él/ellos forms and require accents on most other forms (to keep two adjacent vowels pronounced separately).
  • Yo-only spelling changes: -car → -qué, -gar → -gué, -zar → -cé.

Conjugation / Pattern Tables

Miscellaneous irregular preterites

Verb yo él nosotros vosotros ellos
caber (to fit) cupe cupiste cupo cupimos cupisteis cupieron
poder (could) pude pudiste pudo pudimos pudisteis pudieron
saber (knew) supe supiste supo supimos supisteis supieron
querer (wanted) quise quisiste quiso quisimos quisisteis quisieron

ver / dar — preterite (regular endings, no accents)

Pronoun ver dar
yo vi di
viste diste
él vio dio
nosotros vimos dimos
vosotros visteis disteis
ellos vieron dieron

Stem-changing -ir verbs (e → i, o → u in 3rd person only)

preferir (e → i)

yo preferí nosotros preferimos
preferiste vosotros preferisteis
él prefirió ellos prefirieron

dormir (o → u)

yo dormí nosotros dormimos
dormiste vosotros dormisteis
él durmió ellos durmieron

Other e→i: mentir, sentir, seguir, conseguir, repetir, servir, pedir. Other o→u: morir.

leer / creer / oír (y-insertion + accents)

Pronoun leer creer oír
yo leí creí
leíste creíste oíste
él leyó creyó oyó
nosotros leímos creímos oímos
vosotros leísteis creísteis oísteis
ellos leyeron creyeron oyeron

yo-only spelling changes

Ending yo form Example
-car -qué practicar → practiqué
-gar -gué jugar → jugué
-zar -cé organizar → organicé

All other forms of these verbs are regular.

Examples

Spanish English
Yo pude hablar con él. I could speak with him.
Tú pudiste ir a la fiesta. You could go to the party.
Yo supe quién ganó el juego. I found out who won the game.
Yo quise jugar contigo. I wanted to play with you.
Ella quiso abrir la puerta. She wanted to open the door.
Yo te vi en la fiesta. I saw you at the party.
Tú viste a mi madre en la casa. You saw my mother at the house.
Él vio cómo yo hice mi tarea. He saw how I did my homework.
Yo te di mi lápiz. I gave you my pencil.
Él nos dio el pase. He gave us the pass.
Yo practiqué el piano ayer. I practiced piano yesterday.
Yo jugué al fútbol. I played soccer.
Yo organicé mis libros. I organized my books.

Notes & Gotchas

  • Saber in the preterite (supe) often means "I found out" rather than "I knew."
  • Querer in the preterite (quise) implies the wanting is over; no quise = "I refused."
  • Poder in the preterite (pude) = "I managed to" / "I could (and did)." Don't confuse with the conditional podría ("I could / would be able to").
  • The 3rd-person stem changes for -ir verbs in preterite mirror the same letter changes seen in present tense (pedir → pide → pidió).
  • The yo spelling changes (-qué, -gué, -cé) preserve the consonant sound of the infinitive.