oscurecer to obscure, get dark, darkenPresent Perfect Subjunctive / Perfecto de Subjuntivoyohaya oscurecidotúhayas oscurecidoél / Ud.haya oscurecidonosotroshayamos oscurecidovosotroshayáis oscurecidoellos / Uds.hayan oscurecido
Other Tenses / Moods of Oscurecer 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