alertar Negative Imperative Conjugation
alertar — to alert
Use 'no alertes' (tú), 'no alerte' (usted), 'no alertemos' (nosotros), 'no alertéis' (vosotros), 'no alerten' (ustedes) for negative commands.
alertar Negative Imperative Forms
When to Use the Negative Imperative
This is for telling someone *not* to do something. For 'alertar', you might say 'Don't alert anyone' or 'Don't warn them'.
Notes on alertar in the Negative Imperative
Negative commands in Spanish are formed using the present subjunctive. 'Alertar' is regular in the present subjunctive, making these forms regular.
Example Sentences
¡No alertes a nadie todavía!
Don't alert anyone yet!
tú
No alerte usted a la prensa sin permiso.
Do not alert the press without permission.
usted
No alertemos a los vecinos si no es necesario.
Let's not alert the neighbors if it's not necessary.
nosotros
No alertéis sobre la sorpresa.
Don't alert [them] about the surprise!
vosotros
No alerten a las autoridades hasta tener pruebas.
Don't alert the authorities until you have proof.
Common Mistakes
Mistake: Forgetting the 'no'.
Correct: Always include 'no' before the subjunctive verb for negative commands.
Why: The 'no' is essential to turn the command into a prohibition.
Mistake: Using the infinitive instead of the subjunctive.
Correct: Use 'no alertar' for infinitive commands (like in signs), but 'no alertes' for personal commands.
Why: Personal negative commands require the subjunctive mood.
Master Spanish verbs in context
Memorizing tables only gets you so far. Read 200+ illustrated and narrated Spanish stories to see verbs like 'alertar' used naturally — in the tenses you're learning.
Related Tenses
Present
yo: alerto
The present tense (alerto, alertas, alerta, alertamos, alertáis, alertan) describes current actions, habits, or general truths about alerting.
Preterite
yo: alerté
The preterite of 'alertar' is regular: alerté, alertaste, alertó, alertamos, alertasteis, alertaron.
Imperfect
yo: alertaba
The imperfect of 'alertar' (alertaba, alertabas, alertaba, alertábamos, alertabais, alertaban) describes ongoing or habitual past actions of alerting.
Future
yo: alertaré
The future tense (alertaré, alertarás, alertará, alertaremos, alertaréis, alertarán) indicates actions that will happen.
Conditional
yo: alertaría
The conditional of 'alertar' (alertaría, alertarías, alertaría, alertaríamos, alertaríais, alertarían) is used for hypotheticals, polite requests, and future-in-the-past.
Present Subjunctive
yo: alerte
The present subjunctive (alerte, alertes, alertemos, alertéis, alerten) is used after expressions of doubt, desire, emotion, or uncertainty.
Imperfect Subjunctive
yo: alertara
The imperfect subjunctive (alertara/alertase) is used for hypothetical past situations, politeness, or wishes.
Affirmative Imperative
yo: alerta
Use 'alerta' (tú), 'alerte' (usted), 'alertemos' (nosotros), 'alertad' (vosotros), 'alerten' (ustedes) for direct commands.