probar Negative Imperative Conjugation
probar — try
Negative commands use the present subjunctive: no pruebes (tú), no pruebe (usted), no probemos (nosotros), no prueben (ustedes).
probar Negative Imperative Forms
When to Use the Negative Imperative
Use these to tell someone not to try something or not to taste something yet.
Notes on probar in the Negative Imperative
The 'o' changes to 'ue' in all forms except nosotros and vosotros, just like the present subjunctive.
Example Sentences
No pruebes la sopa todavía, está muy caliente.
Don't taste the soup yet, it's very hot.
tú
No pruebe los frenos a alta velocidad.
Don't test the brakes at high speed.
No probéis el postre hasta que lleguen todos.
Don't (you all) taste the dessert until everyone arrives.
vosotros
Common Mistakes
Mistake: Saying 'no prueba' for a command.
Correct: no pruebes
Why: Negative commands must use the subjunctive ending (-es) for tú, not the indicative ending (-a).
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Related Tenses
Present
yo: pruebo
Probar is an o>ue stem-changer: pruebo, pruebas, prueba, probamos, probáis, prueban.
Preterite
yo: probé
Probar is completely regular in the preterite: probé, probaste, probó, probamos, probasteis, probaron.
Imperfect
yo: probaba
Probar is regular in the imperfect: probaba, probabas, probaba, probábamos, probabais, probaban.
Future
yo: probaré
The future of probar is regular: probaré, probarás, probará, probaremos, probaréis, probarán.
Conditional
yo: probaría
The conditional of probar is regular: probaría, probarías, probaría, probaríamos, probaríais, probarían.
Present Subjunctive
yo: pruebe
Probar follows the o>ue change in the subjunctive: pruebe, pruebes, pruebe, probemos, probéis, prueben.
Imperfect Subjunctive
yo: probara
The imperfect subjunctive of probar is regular: probara, probaras, probara, probáramos, probarais, probaran.
Affirmative Imperative
yo: prueba
Commands for probar: prueba (tú), pruebe (usted), probad (vosotros), prueben (ustedes).