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Conjugation Chart of “Demostrar” (to demonstrate) in the Subjunctive Mood

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Understanding the Subjunctive Mood of “Demostrar”

The presente de subjuntivo of demostrar is used to express desires, doubts, or uncertainties about demonstrating something, for example: Es importante que demostremos nuestras habilidades en la entrevista. (It’s important that we demonstrate our abilities in the interview.)

This is a stem-changing verb, where the “o” changes to “ue” in all subjunctive forms except nosotros and vosotros. The conjugations follow the regular pattern for -ar verbs in the subjunctive mood.

How to Use Demostrar in the Subjunctive Mood

Demostrar generally means “to demonstrate” or “to show”, but has several different meanings in the Subjunctive Mood, some of which might surprise you.

To prove or demonstrate: For example, Es importante que demostremos nuestras habilidades en la entrevista. (It’s important that we demonstrate our abilities in the interview.)

To show or display: For example, Espero que demuestres más respeto a tus mayores. (I hope you show more respect to your elders.)

To express or manifest (feelings): For example, No es bueno que demostremos nuestros celos en público. (It’s not good that we express our jealousy in public.)

To reveal or make evident: For example, Los resultados demuestren que el proyecto fue un éxito. (May the results reveal that the project was a success.)

Colloquially, to show off or flaunt: For example, ¡Qué demostremos lo buenos que somos en la fiesta! (Let’s show off how good we are at the party!)

Real Life Examples of Demostrar in the Subjunctive Mood

Es importante que demuestres respeto a tus mayores. (It’s important that you show respect to your elders.)

Ojalá que el equipo demuestre su mejor esfuerzo en el partido. (Hopefully the team shows their best effort in the game.)

Para aprobar el curso, es necesario que demuestres dominio de los conceptos clave. (To pass the course, it’s necessary that you demonstrate mastery of the key concepts.)

Aunque no lo creas, es posible que demostremos nuestras habilidades en el concurso. (Even if you don’t believe it, it’s possible that we show our skills in the contest.)

El instructor insistió en que los alumnos demostraran sus conocimientos en la práctica. (The instructor insisted that the students demonstrate their knowledge in practice.)

Es una lástima que no demuestren más entusiasmo por aprender. (It’s a shame that they don’t show more enthusiasm for learning.)

Tal vez sea mejor que demostremos nuestra gratitud con acciones, no solo palabras. (Perhaps it’s better that we show our gratitude with actions, not just words.)

Dudo que demuestren mucho interés en el proyecto, pero hay que intentarlo. (I doubt they’ll show much interest in the project, but we have to try.)

Sería genial que demostréis vuestras habilidades en la próxima reunión. (It would be great if you all could show your skills at the next meeting.)

No importa lo que digan, es crucial que demuestre su valía en el trabajo. (No matter what they say, it’s crucial that you demonstrate your worth at work.)

Quiero que demuestres más confianza al hablar en público. (I want you to show more confidence when speaking in public.)

Espero que el nuevo empleado demuestre su compromiso desde el primer día. (I hope the new employee shows their commitment from day one.)

Sería una pena que no demostraran su talento en el concurso de baile. (It would be a shame if they didn’t show their talent in the dance contest.)

Me alegraría mucho que demostremos más unidad como familia. (I would be very happy if we could show more unity as a family.)

Aunque cueste trabajo, es importante que demuestren perseverancia en sus estudios. (Although it’s hard work, it’s important that they show perseverance in their studies.)

Conjugation Chart with English Translations

Conjugations of Demostrar (to demonstrate) in the Subjunctive Mood (Castilian Spanish) with English Translations:

This post covers Castilian Spanish. For Latin American Spanish, click here

Synonyms

The Subjunctive mood is also known as the Simple Subjunctive, Subjunctive Present, or Present Subjunctive Mood in English, and as Presente de Subjuntivo, Subjuntivo Presente, Presente del Modo Subjuntivo, or Tiempo Presente del Subjuntivo in Spanish.