Final answer:
The correct form of the irregular verb tener in the preterite tense for the pronoun tú is tuviste.
Step-by-step explanation:
The correct form of the irregular verb tener in the preterite tense for the pronoun tú is tuviste. In the preterite tense, tener (to have) changes its stem to tuv- and adds the appropriate ending. For example, 'Tú tuviste una fiesta el sábado pasado.' translates to 'You had a party last Saturday.'
Learn more about Irregular verb conjugation in Spanish