costar to costFuture Perfect Subjunctive / Futuro Perfecto de Subjuntivoyohubiere costadotúhubieres costadoél / Ud.hubiere costadonosotroshubiéremos costadovosotroshubiereis costadoellos / Uds.hubieren costado
Other Tenses / Moods of Costar 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