retener to keep, to hold, to retainFuture Perfect / Futuro Perfectoyohabré retenidotúhabrás retenidoél / Ud.habrá retenidonosotroshabremos retenidovosotroshabréis retenidoellos / Uds.habrán retenido
Other Tenses / Moods of Retener 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