-ar verb irregular · stem-changing o>ue Intermediate

demostrar — Subjunctive (Subjuntivo)

to demonstrate / to prove

The subjunctive conjugation of demostrar (irregular stem-changing o>ue, ranked #131). Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.

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Pronoun Subjunctive conjugation
yo demuestre *
demuestres *
él/ella/Ud. demuestre *
nosotros demostremos
vosotros demostréis
ellos/ellas/Uds. demuestren *

* Red forms deviate from the regular -ar subjunctive pattern.

Example sentence

Quiero que tú demuestres más.

I want you to demonstrate more.

Other tenses of demostrar

See full conjugation table for demostrar →

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