contribuir to contributePresent Perfect Subjunctive / Perfecto de Subjuntivoyohaya contribuidotúhayas contribuidoél / Ud.haya contribuidonosotroshayamos contribuidovosotroshayáis contribuidoellos / Uds.hayan 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