demostrar — Preterite (Pretérito)
to demonstrate / to prove
The preterite conjugation of demostrar (irregular stem-changing o>ue, ranked #131). Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.
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Practice for free ↗ | Pronoun | Preterite conjugation |
|---|---|
| yo | demostré |
| tú | demostraste |
| él/ella/Ud. | demostró |
| nosotros | demostramos |
| vosotros | demostrasteis |
| ellos/ellas/Uds. | demostraron |
* Red forms deviate from the regular -ar preterite pattern.
Example sentence
Nosotros demostramos juntos.
We demonstrate together.
Other tenses of demostrar
See full conjugation table for demostrar →Related verbs
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