demostrar to demonstratePast Anterior (Preterite Perfect) / Pretérito Anterioryohube demostradotúhubiste demostradoél / Ud.hubo demostradonosotroshubimos demostradovosotroshubisteis demostradoellos / Uds.hubieron demostrado
Other Tenses / Moods of Demostrar 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