acostarse Affirmative Imperative Conjugation
acostarse — to go to bed
The imperative for acostarse attaches the pronoun to the end: acuéstate, acuéstese, acostémonos.
acostarse Affirmative Imperative Forms
When to Use the Affirmative Imperative
Use the imperative to give direct orders or suggestions to someone to go to bed.
Notes on acostarse in the Affirmative Imperative
The pronoun moves to the end of the verb. In the 'tú' form (acuéstate), you must add an accent to maintain the original stress.
Example Sentences
¡Acuéstate ahora mismo!
Go to bed right now!
tú
Acuéstense, niños, ya es tarde.
Go to bed, kids, it's already late.
ustedes
Acostémonos ya, que mañana madrugamos.
Let's go to bed now, we have to wake up early tomorrow.
nosotros
Common Mistakes
Mistake: Acuestate (without accent).
Correct: Acuéstate.
Why: When you attach a pronoun to a command, the stress remains on the original syllable, requiring a written accent.
Mistake: Acostate.
Correct: Acuéstate.
Why: The 'tú' command still requires the O>UE stem change.
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Related Tenses
Present
yo: me acuesto
Acostarse is a stem-changing (o > ue) reflexive verb: me acuesto, te acuestas, se acuesta.
Preterite
yo: me acosté
The preterite of acostarse is regular in its endings but requires reflexive pronouns: me acosté, te acostaste, se acostó.
Imperfect
yo: me acostaba
The imperfect of acostarse is regular: me acostaba, te acostabas, se acostaba.
Future
yo: me acostaré
The future tense is regular for acostarse: me acostaré, te acostarás, se acostará.
Conditional
yo: me acostaría
The conditional is regular for acostarse: me acostaría, te acostarías, se acostaría.
Present Subjunctive
yo: me acueste
The present subjunctive of acostarse features the O>UE stem change: me acueste, te acuestes, se acueste.
Imperfect Subjunctive
yo: me acostara
The imperfect subjunctive is based on the preterite stem: me acostara, te acostaras, se acostara.
Negative Imperative
yo: no te acuestes
The negative imperative uses the present subjunctive: no te acuestes, no se acueste.