What does demostrar mean?
demostrar means to show, to demonstrate in English. It is a irregular -ar verb.
It can also be used with these related meanings: to prove.
Spanish verb guide
Demostrar Conjugation in Spanish
Learn demostrar, meaning to show, to demonstrate, through verified forms and contextual examples.
irregular-argerund: demostrandoparticiple: demostrado
Principal forms of demostrar
- Infinitive
- demostrar
- Gerund
- demostrando
- Past participle
- demostrado
Demostrar conjugation table
Compare the present, preterite, imperfect, and future forms. Reflexive pronouns are included where the verb requires them.
| Pronoun | Present | Preterite | Imperfect | Future |
|---|---|---|---|---|
| yo | demuestro | demostré | demostraba | demostraré |
| tú | demuestras | demostraste | demostrabas | demostrarás |
| él / ella / usted | demuestra | demostró | demostraba | demostrará |
| nosotros/as | demostramos | demostramos | demostrábamos | demostraremos |
| ellos/as / ustedes | demuestran | demostraron | demostraban | demostrarán |
Pattern notes
- Its forms differ from a fully regular -ar pattern in the present.
Examples with demostrar
Él no demuestra su edad.He doesn't look his age.Tatoeba example · CC BY 2.0 FR
Este hecho demuestra su inocencia.This fact proves her innocence.Tatoeba example · CC BY 2.0 FR
El pueblo demostró toda su cólera durante las elecciones presidenciales.The town showed their anger during the presidential elections.Tatoeba example · CC BY 2.0 FR
Practice prompts
- Conjugate demostrar for yo in the present.
- Use the preterite form for ella.
- Say the nosotros/as imperfect form.
- Write a short sentence in the future.
Practice demostrar online
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