haber to have [auxiliary verb]Imperfect Subjunctive / Imperfecto de Subjuntivo – Version 1yohubieratúhubierasél / Ud.hubieranosotroshubiéramosvosotroshubieraisellos / Uds.hubieranImperfect Subjunctive / Imperfecto de Subjuntivo – Version 2yohubiesetúhubiesesél / Ud.hubiesenosotroshubiésemosvosotroshubieseisellos / Uds.hubiesen
Other Tenses / Moods of Haber Simple Tenses Present Tense Imperfect Tense Preterite (Past Tense) Future Tense Conditional Tense Subjunctive Tense Imperfect Subjunctive Future Subjunctive Imperative (Command) Past Participle & Gerund Compound Tenses Present Perfect Past Perfect Past Anterior (Preterite Perfect) Future Perfect Conditional Perfect Present Perfect Subjunctive Pluperfect Subjunctive Future Perfect Subjunctive