ayunar to fastFuture Perfect Subjunctive / Futuro Perfecto de Subjuntivoyohubiere ayunadotúhubieres ayunadoél / Ud.hubiere ayunadonosotroshubiéremos ayunadovosotroshubiereis ayunadoellos / Uds.hubieren ayunado
Other Tenses / Moods of Ayunar 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