Present Tense: Regular Present: Irregular Yo Form Verbs Present Tense: O-UE Stem Changing Present Tense: E-IE Stem Changing Present Tense: E-I Stem Changing Preterite Tense: Regular Preterite Irregular: Tuve Group Preterite Tense: Other Irregulars Imperfect Tense: Regular Imperfect Tense: Irregular Future Tense: Regular Future Tense: Irregular Conditional Tense: Regular Conditional Tense: Irregular Present Subjunctive: Regular Present Subjunctive: Irregular Imperfect Subjunctive: Regular Present Perfect Present Perfect: Irregular