The change of y for i is due to the fact that verbs ending in "uir" require this change, except those that have g before said combination.

<h3>How to identify the correct change with verbs in Preterite Tense?</h3>

The verbs that have the ending "uir" in Spanish, in some of their conjugations change the i at the end for a y, for example the verbs "construir, contribuir, sustituir":

Yo: construí / contribuí / sustituí
Tú: construiste / contribuiste / sustituiste
Usted: construyó / contribuyó / sustituyó
El: construyó / contribuyó / sustituyó
Ella: construyó / contribuyó / sustituyó
Ello: construyó / contribuyó / sustituyó
Nosotros / Nosotras: construimos / contribuimos / sustituimos
Ustedes: construyeron / contribuyeron / sustituyeron
Ellos / Ellas: construyeron / contribuyeron / sustituyeron

However, this case does not apply when the ending is "guir," which despite having the same letters in the ending, the combination "gu" is not usually separated, as in the case of "conseguir, distinguir:"

Yo: consigo / distingo
Tú: consigues / distingues
Usted: consigue / distingue
Él: consigue / distingue
Ella: consigue / distingue
Ello: consigue / distingue
Nosotros / Nosotras: conseguimos / distinguimos
Ustedes: consiguen / distinguen
Ellos / Ellas: consiguen / distinguen

Therefore, you must apply the rule of changing i to y, whenever the ending is "uir," with the exception of those that contain "g" before said combination.

If you want to learn more about Preterite Tense in Spanish, you can visit the following link: brainly.com/question/27913834

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2 years ago