oscurecer to obscure, get dark, darkenFuture Perfect Subjunctive / Futuro Perfecto de Subjuntivoyohubiere oscurecidotúhubieres oscurecidoél / Ud.hubiere oscurecidonosotroshubiéremos oscurecidovosotroshubiereis oscurecidoellos / Uds.hubieren 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