contribuir to contributePresent Perfect Tense / Perfecto de Indicativoyohe contribuidotúhas contribuidoél / Ud.ha contribuidonosotroshemos contribuidovosotroshabéis contribuidoellos / Uds.han contribuido
Other Tenses / Moods of Contribuir 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