referir to referPast Perfect Tense / Pluscuamperfecto (de Indicativo)yohabía referidotúhabías referidoél / Ud.había referidonosotroshabíamos referidovosotroshabíais referidoellos / Uds.habían referido
Other Tenses / Moods of Referir 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