demostrar Conditional Conjugation
demostrar — to prove
The conditional of demostrar is regular: demostraría, demostrarías, demostraría, demostraríamos, demostraríais, demostrarían.
demostrar Conditional Forms
When to Use the Conditional
Use the conditional to say you 'would' prove something if you could, or to make a polite suggestion about showing someone something.
Notes on demostrar in the Conditional
This tense is regular. Simply add the -ía endings to the infinitive 'demostrar'.
Example Sentences
Yo lo demostraría si tuviera las herramientas necesarias.
I would prove it if I had the necessary tools.
yo
¿Nos demostrarías cómo se hace?
Would you show us how it's done?
tú
Common Mistakes
Mistake: demostraría (without accent)
Correct: demostraría
Why: All conditional forms require an accent on the 'í'.
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Related Tenses
Present
yo: demuestro
Demostrar is an o > ue stem-changing verb in all forms except nosotros and vosotros.
Preterite
yo: demostré
Demostrar is regular in the preterite: demostré, demostraste, demostró, demostramos, demostrasteis, demostraron.
Imperfect
yo: demostraba
Demostrar is regular in the imperfect: demostraba, demostrabas, demostraba, demostrábamos, demostrabais, demostraban.
Future
yo: demostraré
The future of demostrar is regular: demostraré, demostrarás, demostrará, demostraremos, demostraréis, demostrarán.
Present Subjunctive
yo: demuestre
Demostrar has a stem change (o > ue) in the subjunctive, except for nosotros and vosotros.
Imperfect Subjunctive
yo: demostrara
The imperfect subjunctive is regular: demostrara, demostraras, demostrara, demostráramos, demostrarais, demostraran.
Affirmative Imperative
yo: demuestra
The imperative uses 'demuestra' (tú) and 'demuestre' (usted), following the o > ue stem change.
Negative Imperative
yo: no demuestres
The negative imperative uses the present subjunctive: no demuestres, no demuestre, no demostremos, no demostréis, no demuestren.