requerir to needImperfect Subjunctive / Imperfecto de Subjuntivo – Version 1yorequirieratúrequirierasél / Ud.requirieranosotrosrequiriéramosvosotrosrequirieraisellos / Uds.requirieranImperfect Subjunctive / Imperfecto de Subjuntivo – Version 2yorequiriesetúrequiriesesél / Ud.requiriesenosotrosrequiriésemosvosotrosrequirieseisellos / Uds.requiriesen
Other Tenses / Moods of Requerir 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