existir to existPresent Perfect Subjunctive / Perfecto de Subjuntivoyohaya existidotúhayas existidoél / Ud.haya existidonosotroshayamos existidovosotroshayáis existidoellos / Uds.hayan existido
Other Tenses / Moods of Existir 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