Inklingo
A parent gently tucking a child into a cozy bed with a soft blue blanket.

acostar Present Subjunctive Conjugation

acostar — to put to bed

A1irregular (stem-changing) -ar★★★★★
Quick answer:

Acostar has an O-to-UE stem change in the subjunctive: acueste, acuestes, acueste, acostemos, acostéis, acuesten.

acostar Present Subjunctive Forms

yoacueste
túacuestes
él/ella/ustedacueste
nosotrosacostemos
vosotrosacostéis
ellos/ellas/ustedesacuesten

When to Use the Present Subjunctive

Use this when you want, doubt, or suggest that someone puts another person to bed (e.g., 'I want you to put the kids to bed').

Notes on acostar in the Present Subjunctive

Like the present indicative, it stem-changes to 'ue' in the 'boot' forms. However, 'nosotros' and 'vosotros' remain 'acost-'.

Example Sentences

  • Espero que ella acueste al niño ahora.

    I hope she puts the child to bed now.

    él/ella/usted

  • Es mejor que acostemos a los perros fuera.

    It's better that we put the dogs to bed outside.

    nosotros

  • No quiero que acuestes a los niños tan tarde.

    I don't want you to put the kids to bed so late.

    tú

Common Mistakes

  • Mistake: Using 'acuestemos' for nosotros.

    Correct: acostemos

    Why: In the present subjunctive, -ar verbs do not stem-change in the nosotros/vosotros forms.

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Related Tenses

Present

yo: acuesto

Acostar is an O-to-UE stem-changer in the present tense: acuesto, acuestas, acuesta, acostamos, acostáis, acuestan.

Preterite

yo: acosté

Acostar is regular in the preterite: acosté, acostaste, acostó, acostamos, acostasteis, acostaron.

Imperfect

yo: acostaba

Acostar is regular in the imperfect: acostaba, acostabas, acostaba, acostábamos, acostabais, acostaban.

Future

yo: acostaré

Acostar is regular in the future: acostaré, acostarás, acostará, acostaremos, acostaréis, acostarán.

Conditional

yo: acostaría

Acostar is regular in the conditional: acostaría, acostarías, acostaría, acostaríamos, acostaríais, acostarían.

Imperfect Subjunctive

yo: acostara

The imperfect subjunctive of acostar is regular: acostara, acostaras, acostara, acostáramos, acostarais, acostaran.

Affirmative Imperative

yo: acuesta

Use acuesta (tú), acueste (usted), and acostad (vosotros) to give orders to put someone to bed.

Negative Imperative

yo: no acuestes

Negative commands use the present subjunctive: no acuestes, no acueste, no acostemos, no acostéis, no acuesten.