WorddemostrarMeaningto prove (demonstrate)Part of speechverbPronunciationCourseSpanish (Latin America)LessonThe conditional perfect (habría)Usages of demostrarEllos habrían demostrado la hipótesis con el láser.They would have proved the hypothesis with the laser.Ayer se confirmó que el nuevo cálculo lo habría demostrado.Yesterday it was confirmed that the new calculation would have proved it.