Spanish Preterite Irregular and Stem-Changing Verbs

Vocabulary flashcards reviewing preterite spelling changes (i to y) and third-person stem changes (e-i, o-u) for Spanish verbs.

Preterite "i" to "y" change

A spelling alteration where the "i" changes to "y" in the él/ella/ud. form and in the ellos/ellas/uds. form (found in verbs such as leer, creer, oir, and caerse).

Destruir (preterite)

A verb featuring an accented "i" on the yo form and an "i" to "y" change in the third-person forms: destruí, destruiste, destruyó, destruimos, destruisteis, destruyeron.

Leer (preterite)

A verb featuring an accented "i" always (leí, leíste, leímos, leísteis) and an "i" to "y" change in the third-person forms (leyó, leyeron).

Stem-changing "ir" verbs (preterite)

Verbs that change stems in the present tense and take "e-i" or "o-u" stem changes in the preterite tense exclusively in the ud./ella/él and uds./ellos/ellas forms.

Pedir (preterite)

An "ir" verb with an "e-i" stem change in the third-person forms: pedí, pediste, pidió, pedimos, pedisteis, pidieron.

Sentir (preterite)

An "ir" verb with an "e-i" stem change in the third-person forms: sentí, sentiste, sintió, sentimos, sentisteis, sintieron.

Dormir (preterite)

An "ir" verb with an "o-u" stem change in the third-person forms: dormí, dormiste, durmió, dormimos, dormisteis, durmieron.