desagradecer to be ungratefulPresent Perfect Tense / Perfecto de Indicativoyohe desagradecidotúhas desagradecidoél / Ud.ha desagradecidonosotroshemos desagradecidovosotroshabéis desagradecidoellos / Uds.han desagradecido
Other Tenses / Moods of Desagradecer 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