alegrar Negative Imperative Conjugation
alegrar — to cheer up
The negative imperative of alegrar uses the present subjunctive: no alegres, no alegre, no alegremos, no alegréis, no alegren.
alegrar Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone NOT to cheer someone up (perhaps if they need space) or in specific idiomatic warnings.
Notes on alegrar in the Negative Imperative
Alegrar is regular. All negative commands are identical to their respective present subjunctive forms.
Example Sentences
No alegres a los niños ahora, es hora de dormir.
Don't cheer the kids up now, it's bedtime.
tú
No alegren el ambiente todavía, es una sorpresa.
Don't brighten up the atmosphere yet, it's a surprise.
ustedes
No alegre usted el día si no tiene ganas.
Don't brighten the day if you don't feel like it.
usted
Common Mistakes
Mistake: Using 'no alegra' for the negative tú command.
Correct: no alegres
Why: Negative commands must use the subjunctive form, not the indicative.
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Related Tenses
Present
yo: alegro
Alegrar is regular in the present: alegro, alegras, alegra, alegramos, alegráis, alegran.
Preterite
yo: alegré
The preterite of alegrar follows the standard -ar pattern: alegré, alegraste, alegró, alegramos, alegrasteis, alegraron.
Imperfect
yo: alegraba
Alegrar in the imperfect uses the -aba endings: alegraba, alegrabas, alegraba, alegrábamos, alegrabais, alegraban.
Future
yo: alegraré
The future of alegrar adds endings to the infinitive: alegraré, alegrarás, alegrará, alegraremos, alegraréis, alegrarán.
Conditional
yo: alegraría
The conditional of alegrar uses the infinitive plus -ía endings: alegraría, alegrarías, alegraría, alegraríamos, alegraríais, alegrarían.
Present Subjunctive
yo: alegre
The present subjunctive of alegrar uses 'e' endings: alegre, alegres, alegre, alegremos, alegréis, alegren.
Imperfect Subjunctive
yo: alegrara
The imperfect subjunctive of alegrar uses the -ra endings: alegrara, alegraras, alegrara, alegráramos, alegrarais, alegraran.
Affirmative Imperative
yo: alegra
The imperative of alegrar provides commands: alegra (tú), alegrad (vosotros), alegre (usted).