How to conjugate Acostar in Spanish
Acostar in Spanish means to put to bed, to lay down.
Acostar is an irregular verb. That means this verb doesn’t follow the traditional conjugation patterns in all verb tenses. It’s important to pay attention to the irregular tenses.
Let’s learn how to conjugate the verb acostar so you can use it comfortably in all tenses.
Acostar in the Present Tense
The present tense is used to talk about actions or events happening now.
The verb acostar is irregular in the present tense.
The verb acostar is what we call an -ar verb. -ar verbs are verbs that end in -ar. Regular -ar verbs are conjugated by following 2 major rules.
- Take off the -ar
- Replace with a new ending depending on who performs the action.
To review -ar verbs watch my -ar verbs video:https://youtu.be/u6ic9fumvw0
Just in case you need to review conjugation of -er and -ir verbs, Click for Page:
Acostar is a Stem changing verb. Stem changers have a change not only in the ending but also on the stem. In this case acostar is an o → ue stem changing verb. That means that the o in the stem changes to ue in all forms except for nosotros and vosotros.
To review stem changing verbs o → ue watch my video:
To review stem changing verbs e → ie watch my video: https://youtu.be/GDEzvOkyml8
To review stem changing verbs e →i watch my video: https://youtu.be/QJrPv-whYy8
Below you will find the conjugations of the verb acostar in the indicative present tense:
| Pronoun | Spanish | English |
| Yo | acuesto | I put to bed |
| Tú | acuestas | you put to bed |
| Él / Ella / Usted (Ud.) | acuesta | he/she puts to bed, you (formal) puts to bed |
| Nosotros (as) | acostamos | we put to bed |
| Vosotros (as) | acostáis | you (plural) Spain put to bed |
| Ellas / Ellos / Ustedes (Uds.) | acuestan | they hug, you (plural) put to bed |
Examples:
| Yo acuesto a mi hija. | I put my daughter to bed |
| Nosotros acostamos a los niños en sus cuartos | We put the kids to bed in their rooms |
| Ellas acuestan sus pies en la cama | They put their feet on the bed |
Acostar in the Preterite Tense
The preterite is used to talk about actions that have already been completed. These actions have a clear beginning or ending. The preterite tense is often used with phrases that give a specific time frame. More on the Preterite Tense Here
Things to remember:
- The preterite is NOT used to describe actions or events that are repeated or continuous in the past. That means that those actions do not have a clear beginning or end.
- The preterite is NOT used to describe people in the past.
The verb acostar is regular in the preterite.
Below you will find the conjugations of the verb acostar in the preterite tense:
| Pronoun | Spanish | English |
| Yo | acosté | I put to bed |
| Tú | acostaste | you put to bed |
| Él / Ella / Usted (Ud.) | acostó | he/she puts to bed, you (formal) puts to bed |
| Nosotros (as) | acostamos | we put to bed |
| Vosotros (as) | acostasteis | you (plural) Spain put to bed |
| Ellas / Ellos / Ustedes (Uds.) | acostaron | they put to bed, you (plural) put to bed |
Below are some expressions that are often used when using the preterite:
| la semana pasada | last week |
| el mes pasado | last month |
| el fin de semana pasado | last weekend |
| el año pasado | last year |
| ayer | yesterday |
| anteayer | the day before yesterday |
| anoche | last night |
Examples:
| Yo acosté mis pies sobre la cama. | I put my feet on the bed. |
| Nosotros acostamos a los niños en la cuna anoche. | Last night we put the kids to bed in their cribs |
| Ayer ellas acostaron a sus hijas en la cama de huéspedes. | Yesterday they put the girls to bed in the guest bed |
Acostar in the Imperfect Tense
The imperfect is a form of past tense. It is primarily used to talk about continuous, repeated, usual or habitual actions in the past. It can also be used to talk about what someone or something was like in the past, what someone used to be or used to do. The imperfect is used when actions don’t have a specific beginning or end.
The verb acostar is regular in the imperfect tense.
The verb acostar is what we call an -ar verb. -ar verbs are verbs that end in -ar. Regular -ar verbs are conjugated by following 2 major rules.
- Take off the -ar
- Replace with a new ending depending on who performs the action.
To review how to conjugate -ar verbs in the imperfect watch my video: Click for Video
To review how to conjugate -er and -ir verbs in the imperfect watch my video: Click for Video
Below you will find the conjugations of the verb acostar in the imperfect tense:
| Pronoun | Spanish | English |
| Yo | acostaba | I used to put to bed |
| Tú | acostabas | you used to put to bed |
| Él / Ella / Usted (Ud.) | acostaba | he/she used to put to bed, you (formal) used to put to bed |
| Nosotros (as) | acostábamos | we used to put to bed |
| Vosotros (as) | acostabais | you (plural) Spain used to put to bed |
| Ellas / Ellos / Ustedes (Uds.) | acostaban | they used to put to bed, you (plural) used to put to bed |
Below are some expressions that are often used when using the Imperfect:
| a menudo | often |
| usualmente | usually |
| todos los días | every day |
| todos los meses | every month |
| todos los años | every year |
| casi siempre | almost always |
| a veces | sometimes |
| de niño/niña | as a child … |
| siempre | always |
| normalmente | normally |
Examples:
| Yo acostaba a mi abuela todos los días. | I used to put my grandmother to bed every day. |
| Nosotros acostábamos a los niños a las 8pm todos los días. | Every day we used to put the children to bed at 8pm.d |
| Usualmente ellas acostaban a los perros en su cama | Usually they put the dogs to their own bed |
Acostar in the Future Tense
The future is used to talk about an action or event that will happen in the future.
The verb acostar is regular in the future tense.
To form the future tense of regular -ar, -er and -ir verbs add the following endings to the verb in the infinitive (verbs that have not been conjugated and end in -ar, -er, -ir). The verb acostar is in its purest form (it has not been conjugated) it’s in the infinitive.
The verb acostar is what we call an -ar verb. -ar verbs are verbs that end in -ar. To conjugate acostar in the future, follow these two rules:
- Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case acostar.
- Then attach the ending to the end of the infinitive. The ending depends on who is performing the action.
| Yo | é |
| Tú | ás |
| Él / Ella / Usted (Ud.) | á |
| Nosotros (as) | emos |
| Vosotros (as) | éis |
| Ellas / Ellos / Ustedes (Uds.) | án |
Below you will find the conjugations of the verb acostar using the future tense:
| Pronoun | Spanish | English |
| Yo | acostaré | I will put to bed |
| Tú | acostarás | you will put to bed |
| Él / Ella / Usted (Ud.) | acostará | he/she will put to bed, you (formal) will put to bed |
| Nosotros (as) | acostaremos | we will put to bed |
| Vosotros (as) | acostaréis | you (plural) Spain will put to bed |
| Ellas / Ellos / Ustedes (Uds.) | acostarán | they will put to bed, you (plural) will put to bed |
Examples:
| Yo acostaré a los niños esta noche. | I will put the children to bed tonight. |
| Nosotros acostaremos a nuestros hijos un poco más tarde. | We will put our children to bed a little bit later. |
| Ellas siempre acostarán a sus hijos tarde | They will always put their children to bed late |
Acostar in the Informal Future Tense
The informal future is used to talk about an action or event that is going to take place in the near future. To form the informal future, you must use the correct form of the verb ir (to go) + a + the verb in the infinitive.
The verb acostar is regular in the informal future tense.
Follow this rule:
- Ir (conjugated) + a + infinitive (verb that ends in -ar, -er, -ir and has not been conjugated). Example : Yo voy a acostar
The conjugation of the verb ir (to go) in the present tense are:
| Yo | voy |
| Tú | vas |
| Él / Ella / Usted (Ud.) | va |
| Nosotros (as) | vamos |
| Vosotros (as) | vais |
| Ellas / Ellos / Ustedes (Uds.) | van |
To review how to conjugate the informal future watch my video: Click for Video
Below you will find the conjugations of the verb acostar using the informal future:
| Pronoun | Spanish | English |
| Yo | voy a acostar | I will put to bed |
| Tú | vas a acostar | you will put to bed |
| Él / Ella / Usted (Ud.) | va a acostar | he/she will put to bed, you (formal) will put to bed |
| Nosotros (as) | vamos a acostar | we will put to bed |
| Vosotros (as) | vais a acostar | you (plural) Spain will put to bed |
| Ellas / Ellos / Ustedes (Uds.) | van a acostar | they will put to bed, you (plural) will put to bed |
Examples:
| Yo voy a acostar a mi hija en su cama | I will put my daughter to bed |
| Nosotros vamos a acostar a los niños. | We will put the children to bed. |
| Ellas van a acostar a su amiga en la cama | They will put their friend to bed |
Acostar in the Present Progressive Tense.
The present progressive is used to talk about actions or events happening now. In other words, we use the present progressive to talk about actions that are in the process of happening at the current moment.
The verb acostar is regular in the present progressive tense.
The present progressive is formed by using the correct form of the verb estar (to be) plus the present participle (-ing form of a verb).
To form the present participle of a verb:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ando for -ar verbs
- Add -iendo for -er and –ir verbs
Let’s apply it to acostar:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir) = (acostar)
- Remove the ending (-ar, -er, -ir) = (acost)
- Add -ando for -ar verbs = (acostando)
The present participle of acostar is acostando.
The conjugations of the verb estar in the present tense are:
| Yo | estoy |
| Tú | estás |
| Él / Ella / Usted (Ud.) | está |
| Nosotros (as) | estamos |
| Vosotros (as) | estáis |
| Ellas / Ellos / Ustedes (Uds.) | están |
The present participle of the verb acostar is: acostando
To review the present progressive and present participles in Spanish, watch my Present Progressive Video:Click for Video
Just in case you need to review the verb estar, watch my Estar video: Click for Video
Below you will find the conjugations of the verb acostar using the present progressive:
| Pronoun | Spanish | English |
| Yo | estoy acostando | I am putting to bed |
| Tú | estás acostando | you are putting to bed |
| Él / Ella / Usted (Ud.) | está acostando | he/she is putting to bed, you (formal) are putting to bed |
| Nosotros (as) | estamos acostando | we are putting to bed |
| Vosotros (as) | estáis acostando | you (plural) Spain are putting to bed |
| Ellas / Ellos / Ustedes (Uds.) | están acostando | they are putting to bed, you (plural) are putting to bed |
Examples:
| Yo estoy acostando a los niños ahora. | I am putting the kids to bed right now. |
| Nosotros estamos acostando a los niños alrededor de las 9pm los fines de semana | We are putting the children to bed around 9pm on the weekends |
| ¿Estás acostando a los niños? | Are you putting the kids to bed? |
Acostar in the Conditional Tense
The conditional tense is used to talk about actions or events that may happen in the future. Think of it as a possibility, a hypothesis, a probability.
The verb acostar is regular in the conditional tense.
The verb acostar is what we call an -ar verb. -ar verbs are verbs that end in -ar. To conjugate acostar in the conditional tense follow these two rules:
- Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case acostar.
- Then attach the ending to the end of the infinitive. The ending depends on who is performing the action.
To form the conditional of a verb add the following endings to the infinitive of the verb:
| Yo | ía |
| Tú | ías |
| Él / Ella / Usted (Ud.) | ía |
| Nosotros (as) | íamos |
| Vosotros (as) | íais |
| Ellas / Ellos / Ustedes (Uds.) | ían |
The infinitive of the verb acostar is acostar.
Below you will find the conjugations of the verb acostar using the conditional tense:
| Pronoun | Spanish | English |
| Yo | acostaría | I would put to bed |
| Tú | acostarías | you would put to bed |
| Él / Ella / Usted (Ud.) | acostaría | he/she would put to bed, you (formal) would put to bed |
| Nosotros (as) | acostaríamos | we would put to bed |
| Vosotros (as) | acostaríais | you (plural) Spain would put to bed |
| Ellas / Ellos / Ustedes (Uds.) | acostarían | they would put to bed, you (plural) would put to bed |
Examples:
| Yo acostaría a los niños si me hicieran caso. | I would put the kids to bed if they listened to me |
| Nosotros acostaríamos a los niños si nos dejaran. | We would put the children to bed if they would let us. |
| Ellas acostarían a los niños en la cama pero está ocupada | They would put the children to bed but it is taken |
Acostar in the Present Perfect Tense
The present perfect is used to talk about actions or events that have started recently (in the past) and are still happening. It can also be used to talk about things that have been done recently or to describe experiences a person has had in their lives.
The verb acostar is regular in the conditional tense.
To form the present perfect, you must use the helping verb “haber” in the present tense. This will let us know who has performed the action. Then, we add the past participle of the verb.
The conjugations of haber in the present tense are:
| Yo | he |
| Tú | has |
| Él / Ella / Usted (Ud.) | ha |
| Nosotros (as) | hemos |
| Vosotros (as) | habéis |
| Ellas / Ellos / Ustedes (Uds.) | han |
To form the past participle of a verb:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- Add -ido for -er and –ir verbs
Let’s apply it to acostar:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir) = (acostar)
- Remove the ending (-ar, -er, -ir) = (acost)
- Add -ado for -ar verbs = (acostado)
The past participle of the verb acostar is acostado.
To summarize. Correct form of haber in the present + past participle = present perfect.
Below you will find the conjugations of the verb acostar in the present perfect:
| Pronoun | Spanish | English |
| Yo | he acostado | I have put to bed |
| Tú | has acostado | you have put to bed |
| Él / Ella / Usted (Ud.) | ha acostado | he/she have put to bed, you (formal) have put to bed |
| Nosotros (as) | hemos acostado | we have put to bed |
| Vosotros (as) | habéis acostado | you (plural) Spain have put to bed |
| Ellas / Ellos / Ustedes (Uds.) | han acostado | they have put to bed, you (plural) have put to bed |
Examples:
| Yo he acostado a mis sobrinas en sus camas | I have put my nieces in their beds |
| Nosotros hemos acostado a las niñas muy temprano | We have put the girls to bed very early |
Acostar in the Past Perfect Tense (Pretérito Pluscuamperfecto)
The past perfect is used to talk about actions or events that happened before. It is widely used to describe a series of events and it comes in handy to tell stories.
The verb acostar is regular in the past perfect tense.
To form the past perfect you must use the verb haber in the imperfect. This will let us know who has performed the action.
The conjugations of haber in the imperfect tense are:
| Yo | había |
| Tú | habías |
| Él / Ella / Usted (Ud.) | había |
| Nosotros (as) | habíamos |
| Vosotros (as) | habíais |
| Ellas / Ellos / Ustedes (Uds.) | habían |
Then, we add the past participle of the verb. In this case acostar.
To form the past participle of a verb:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- Add -ido for -er and –ir verbs
Let’s apply it to acostar:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir) = (acostar)
- Remove the ending (-ar, -er, -ir) = (acost)
- Add -ado for -ar verbs = (acostado)
The past participle of acostar is acostado.
To summarize. Use the correct form of haber in the imperfect + past participle = past perfect.
Below you will find the conjugations of the verb acostar in the past perfect:
| Pronoun | Spanish | English |
| Yo | había acostado | I had put to bed |
| Tú | habías acostado | you had put to bed |
| Él / Ella / Usted (Ud.) | había acostado | he/she had put to bed, you (formal) had put to bed |
| Nosotros (as) | habíamos acostado | we had put to bed |
| Vosotros (as) | habíais acostado | you (plural) Spain had put to bed |
| Ellas / Ellos / Ustedes (Uds.) | habían acostado | they had put to bed, you (plural) had put to bed |
Examples:
| Yo había acostado a los niños en su camas | I had put the kids to their own beds |
| Tú habías acostado al perro en su cama. | You had put the dog in his bed |
| Él había acostado a su hijo muy temprano | He had put his son to bed very early |
Acostar in the Future Perfect Tense
The future perfect is used to talk about something that hasn’t happened yet but is predicted to take place. It is used to describe what will have happened in the future.
The verb acostar is regular in the future perfect tense.
To form the future perfect you must use the verb haber in the simple future tense. This will let us know who has performed the action.
The conjugations of haber in the future tense are:
| Yo | habré |
| Tú | habrás |
| Él / Ella / Usted (Ud.) | habrá |
| Nosotros (as) | habremos |
| Vosotros (as) | habréis |
| Ellas / Ellos / Ustedes (Uds.) | habrán |
Then, we add the past participle of the verb. In this case acostar. To form the past participle, you simply add the appropriate ending to the stem of the verb.
To form the past participle of a verb:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- Add -ido for -er and –ir verbs
Let’s apply it to acostar:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir) = (acostar)
- Remove the ending (-ar, -er, -ir) = (acost)
- Add -ado for -ar verbs = (acostado)
The past participle of acostar is acostado.
To summarize. Correct form of haber in the simple future tense + past participle = future perfect.
Below you will find the conjugations of the verb acostar in the future perfect:
| Pronoun | Spanish | English |
| Yo | habré acostado | I will have put to bed |
| Tú | habrás acostado | you will have put to bed |
| Él / Ella / Usted (Ud.) | habrá acostado | he/she will have put to bed, you (formal) will have put to bed |
| Nosotros (as) | habremos acostado | we will have put to bed |
| Vosotros (as) | habréis acostado | you (plural) Spain will have put to bed |
| Ellas / Ellos / Ustedes (Uds.) | habrán acostado | they will have put to bed, you (plural) will have put to bed |
Examples:
| Mañana a esta hora ya habré acostado a mis hijos en sus propios cuartos | Tomorrow at this time, I will have put my kids to bed in their own rooms. |
| Pedro habrá acostado a su hijo a la hora de la siesta | Pedro will have put his kids to bed at nap time |
Acostar in the Conditional Perfect Tense
The conditional perfect is used to talk about an action or event that would have happened in the past but didn’t take place due to another action happening. It is used to express possibility in the past. Basically think of it as actions that could or would have taken place if …
The verb acostar is regular in the conditional perfect tense.
To form the conditional perfect you must use the verb haber in the conditional. This will let us know who has performed the action.
The conjugations of haber in the conditional tense are:
| Yo | habría |
| Tú | habrías |
| Él / Ella / Usted (Ud.) | habría |
| Nosotros (as) | habríamos |
| Vosotros (as) | habríais |
| Ellas / Ellos / Ustedes (Uds.) | habrían |
Then, we add the past participle of the verb. In this case acostar. To form the past participle, you simply add the appropriate ending to the stem of the verb.
To form the past participle of a verb:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- Add -ido for -er and –ir verbs
Let’s apply it to acostar:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir) = (acostar)
- Remove the ending (-ar, -er, -ir) = (acost)
- Add -ado for -ar verbs = (acostado)
The past participle of acostar is acostado.
Below you will find the conjugations of the verb acostar in the future perfect:
| Pronoun | Spanish | English |
| Yo | habría acostado | I would have put to bed |
| Tú | habrías acostado | you would have put to bed |
| Él / Ella / Usted (Ud.) | habría acostado | he/she would have put to bed, you (formal) would have put to bed |
| Nosotros (as) | habríamos acostado | we would have put to bed |
| Vosotros (as) | habríais acostado | you (plural) Spain will would put to bed |
| Ellas / Ellos / Ustedes (Uds.) | habrían acostado | they would have put to bed, you (plural) would have put to bed |
Examples:
| Yo habría acostado al perro en su cama sino tuviera alergia a sus pelos | I would have put the dog in his bed if I had no allergies to his hair |
| Ellos habrían acostado a la bebe sola pero tenía fiebre | They would have put the baby to bed by herself but she had a fever |
Acostar in the Subjunctive Present Tense
The Subjunctive present is used to talk about situations of uncertainty. For example emotions such as wishes, desires and hopes. The main difference between the subjunctive and the indicative mode is that the subjunctive is uncertain, hypothetical or not real.
The verb acostar is irregular in the subjunctive present form.
Acostar in the present tense is not only an -ar verb but it is also a stem changing verb.
Stem changing verbs have a change not only in the ending but also on the stem. In this case acostar is a o → ue stem changing verb. That means that the o in the stem changes to ue in all forms except for nosotros and vosotros.
To review stem changing verbs o → ue watch my video: https://youtu.be/LB3GJOqNAMw
To review stem changing verbs e → ie watch my video: https://youtu.be/GDEzvOkyml8
To review stem changing verbs e →i watch my video: https://youtu.be/QJrPv-whYy8
To form the subjunctive present of most verbs, you must take off the -o endings of the yo form of the present simple and then add a new ending based on who is performing the action.
Subjunctive present endings for -ar:
| Yo | e |
| Tú | es |
| Él / Ella / Usted (Ud.) | e |
| Nosotros (as) | emos |
| Vosotros (as) | éis |
| Ellas / Ellos / Ustedes (Uds.) | en |
Subjunctive present endings for -er and -ir verbs:
| Yo | a |
| Tú | as |
| Él / Ella / Usted (Ud.) | as |
| Nosotros (as) | amos |
| Vosotros (as) | áis |
| Ellas / Ellos / Ustedes (Uds.) | an |
Keep in mind that the verb acostar is irregular in the subjunctive present and it is a stem changing verb. The o in the stem changes to ue in all forms except for nosotros and vosotros
Below you will find the conjugations of the verb acostar in the subjunctive present:
| Pronoun | Spanish | English |
| Yo | acueste | I may put to bed |
| Tú | acuestes | you may put to bed |
| Él / Ella / Usted (Ud.) | acueste | he/she may put to bed, you (formal) may put to bed |
| Nosotros (as) | acostemos | we may put to bed |
| Vosotros (as) | acostéis | you (plural) Spain may put to bed |
| Ellas / Ellos / Ustedes (Uds.) | acuesten | they may put to bed, you (plural) may put to bed |
Examples:
| Quizás acueste a Juana aquí. | Perhaps, I may put Juana to bed here |
| Es posible que ellos se acuesten a los niños muy tarde | It’s possible they may put the children to bed very late |
Acostar in the Subjunctive Imperfect Tense
The subjunctive imperfect is used to talk about situations of uncertainty in the past. For example emotions such as wishes, desires and hopes in the past. It is also used to express politeness or deference, primarily when making a request.
The verb acostar is regular in the subjunctive imperfect tense.
To form the subjunctive imperfect find the ellos/ellas form of the verb in the preterite, take off -aron or -ieron and add a new ending.
Subjunctive Imperfect endings for -ar verbs like acostar the endings are:
| Yo | ara |
| Tú | aras |
| Él / Ella / Usted (Ud.) | ara |
| Nosotros (as) | áramos |
| Vosotros (as) | arais |
| Ellas / Ellos / Ustedes (Uds.) | aran |
You can also use the endings below as alternative endings and the meaning doesn’t change. Keep in mind the ones above are more common
| Yo | ase |
| Tú | ases |
| Él / Ella / Usted (Ud.) | ase |
| Nosotros (as) | ásemos |
| Vosotros (as) | aseis |
| Ellas / Ellos / Ustedes (Uds.) | asen |
Subjunctive Imperfect endings for -er & -ir verbs like he endings are:
| Yo | iera |
| Tú | ieras |
| Él / Ella / Usted (Ud.) | iera |
| Nosotros (as) | iéramos |
| Vosotros (as) | ierais |
| Ellas / Ellos / Ustedes (Uds.) | ieran |
You can also use the endings below as alternative endings and the meaning doesn’t change. Keep in mind the ones above are more common:
| Yo | iese |
| Tú | ieses |
| Él / Ella / Usted (Ud.) | iese |
| Nosotros (as) | iésemos |
| Vosotros (as) | ieseis |
| Ellas / Ellos / Ustedes (Uds.) | iesen |
Here are the steps in action:
- Acostar
- The third person of the preterite (ellos/ellas) would be: Acostar – acostaron
- Now remove -aron and you are left with acost
- Then, add a new ending.
Below you will find the conjugations of the verb acostar in the subjunctive imperfect:
| Pronoun | Spanish | English |
| Yo | acostara | I might put to bed |
| Tú | acostaras | you might put to bed |
| Él / Ella / Usted (Ud.) | acostara | he/she might put to bed, you (formal) might put to bed |
| Nosotros (as) | acostáramos | we might put to bed |
| Vosotros (as) | acostarais | you (plural) Spain might put to bed |
| Ellas / Ellos / Ustedes (Uds.) | acostaran | they might put to bed, you (plural) might put to bed |
OR
| Pronoun | Spanish | English |
| Yo | acostase | I might put to bed |
| Tú | acostases | you might put to bed |
| Él / Ella / Usted (Ud.) | acostase | he/she might put to bed, you (formal) might put to bed |
| Nosotros (as) | acostásemos | we might put to bed |
| Vosotros (as) | acostaseis | you (plural) Spain might put to bed |
| Ellas / Ellos / Ustedes (Uds.) | acostasen | they might put to bed, you (plural) might put to bed |
Examples:
| El niño esperó a que el papá lo acostara con él en su cama | The boy waited for his father to put him to bed with him |
| ¿Sería incómodo si acostáramos aquí al bebe? | Would it be uncomfortable if we put the baby to bed here? |
Acostar in the Subjunctive Future Tense
The subjunctive future is used to describe an event or action or a possible or hypothetical situation. It can also be used to describe something you wished or hoped would happen in the future. This tense is rarely used in Spanish but it doesn’t hurt to learn it.
The verb acostar is regular in the subjunctive future tense.
To form the future subjunctive simply add the following endings to the verb in the infinitive (the most pure form of the verb. Verbs in the infinitive have not been conjugated (they end in -ar, -er & -ir)).
Subjunctive Future endings for -ar verbs like acostar the endings are:
| Yo | e |
| Tú | es |
| Él / Ella / Usted (Ud.) | e |
| Nosotros (as) | emos (accent on á of the stem) |
| Vosotros (as) | eis |
| Ellas / Ellos / Ustedes (Uds.) | en |
Subjunctive Future endings for -er verbs the endings are:
| Yo | iere |
| Tú | ieres |
| Él / Ella / Usted (Ud.) | iere |
| Nosotros (as) | iéremos |
| Vosotros (as) | iereis |
| Ellas / Ellos / Ustedes (Uds.) | ieran |
Subjunctive Future endings for -ir verbs the endings are:
| Yo | iere |
| Tú | ieres |
| Él / Ella / Usted (Ud.) | iere |
| Nosotros (as) | iéremos |
| Vosotros (as) | iereis |
| Ellas / Ellos / Ustedes (Uds.) | ieren |
Below you will find the conjugations of the verb acostar in the subjunctive future:
| Pronoun | Spanish | English |
| Yo | acostare | I will put to bed |
| Tú | acostares | you will put to bed |
| Él / Ella / Usted (Ud.) | acostare | he/she will put to bed, you (formal) will put to bed |
| Nosotros (as) | acostáremos | we will put to bed |
| Vosotros (as) | acostareis | you (plural) Spain will put to bed |
| Ellas / Ellos / Ustedes (Uds.) | acostaren | they will put to bed, you (plural) will put to bed |
Example:
| El día que acostáremos a los niños antes de las 8 pm seré muy feliz | The day we will put the children to bed before 8pm we will be very happy. |
Acostar in the Subjunctive Present Perfect Tense
The subjunctive present perfect is used to describe actions that are connected to the present. It is also used to talk about actions that will have happened by a certain time in the future.
The verb acostar is regular in the subjunctive present perfect tense.
To form the subjunctive present perfect you must use the present subjunctive of the verb haber + the past participle of the verb.
Here are the conjugations of the verb haber in the present subjunctive:
| Yo | haya |
| Tú | hayas |
| Él / Ella / Usted (Ud.) | haya |
| Nosotros (as) | hayamos |
| Vosotros (as) | hayáis |
| Ellas / Ellos / Ustedes (Uds.) | hayan |
The past participle of the verb acostar is: acostado
Now, let’s put it together . Here are the conjugations of the verb acostar in the subjunctive present perfect.
| Pronoun | Spanish | English |
| Yo | haya acostado | I may have put to bed |
| Tú | hayas acostado | you may have put to bed |
| Él / Ella / Usted (Ud.) | haya acostado | he/she may have put to bed, you (formal) may have put to bed |
| Nosotros (as) | hayamos acostado | we may have put to bed |
| Vosotros (as) | hayáis acostado | you (plural) Spain may have put to bed |
| Ellas / Ellos / Ustedes (Uds.) | hayan acostado | they may have put to bed, you (plural) may have put to bed |
Example:
| Es posible que hayas acostado al bebe sin cobijas | It’s possible you may have put the baby to bed without blankets |
| Es posible que hayan acostado al perro en su cama. | It’s possible they may have put the dog in his bed |
Acostar in the Subjunctive Past Perfect Tense (Pluscuamperfecto del Subjuntivo)
The subjunctive past perfect is used to talk about hypothetical situations or actions in the past. It can also be used to talk about past actions that preceded other past actions.
To form the subjunctive past perfect you must use the imperfect subjunctive of the verb haber + the past participle of the verb.
The imperfect subjunctive of haber can be conjugated in two different ways. Having said that, the first conjugations are more commonly used.
Here are the conjugations of the verb haber in the imperfect subjunctive of the verb haber:
| Yo | hubiera |
| Tú | hubieras |
| Él / Ella / Usted (Ud.) | hubiera |
| Nosotros (as) | hubiéramos |
| Vosotros (as) | hubierais |
| Ellas / Ellos / Ustedes (Uds.) | hubieran |
The other conjugations of haber in the imperfect subjunctive are:
| Yo | hubiese |
| Tú | hubieses |
| Él / Ella / Usted (Ud.) | hubiese |
| Nosotros (as) | hubiésemos |
| Vosotros (as) | hubieseis |
| Ellas / Ellos / Ustedes (Uds.) | hubiesen |
To form the past participle of a verb:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- Add -ido for -er and –ir verbs
Let’s apply it to acostar:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir) = (acostar)
- Remove the ending (-ar, -er, -ir) = (acost)
- Add -ado for -ar verbs = (acostado)
The past participle of the verb acostar is acostado.
Now, let’s put it together . Here are the conjugations of the verb acostar in the subjunctive past perfect.
| Pronoun | Spanish | English |
| Yo | hubiese acostado | I might have put to bed |
| Tú | hubieses acostado | you might have put to bed |
| Él / Ella / Usted (Ud.) | hubiese acostado | he/she might have put to bed, you (formal) might have put to bed |
| Nosotros (as) | hubiésemos acostado | we might have put to bed |
| Vosotros (as) | hubieseis acostado | you (plural) Spain might have put to bed |
| Ellas / Ellos / Ustedes (Uds.) | hubiesen acostado | they might have put to bed, you (plural) might have put to bed |
OR
| Pronoun | Spanish | English |
| Yo | hubiera acostado | I might have put to bed |
| Tú | hubieras acostado | you might have put to bed |
| Él / Ella / Usted (Ud.) | hubiera acostado | he/she might have put to bed, you (formal) might have put to bed |
| Nosotros (as) | hubiéramos acostado | we might have put to bed |
| Vosotros (as) | hubierais acostado | you (plural) Spain might have put to bed |
| Ellas / Ellos / Ustedes (Uds.) | hubieran acostado | they might have put to bed, you (plural) might have put to bed |
Example:
| Yo hubiera acostado a la abuela en un lugar más cómodo | I might have put grandma to bed in a more comfortable place |
| Desearía que no me hubieran acostado en esta cama. | I wish you might have not put me in this bed |
Acostar as an Imperative Affirmative Command
The imperative Affirmative commands are used to tell someone or a group of people what to do. We do not give commands in the 1st or 3rd person which is why yo, él, ella, ellos, and ellas have been removed for this tense.
Acostar is irregular when forming Imperative Affirmative Commands.
Mostly we will give commands or tell someone we treat as (tú) what to do. Let’s learn how to conjugate that part first.
To find the Affirmative Informal tú command of a verb follow these steps:
- Find the tú form of the verb in the present tense.
- Take off the “s”
- That will give you the affirmative informal command of a verb in the tú form.
Reminders: Stem changing verbs should continue to have the change in the stem.
For example, The affirmative informal tú command of the verb acostar would be acuesta.
Let’s see the process:
- Find the tú form of the verb in the present tense. (acuestas)
- Take off the “s”. (acuesta)
- That will give you the affirmative informal command of a verb in the tú form. (acuesta)
To review how to use Affirmative informal (tú) commands watch my video: Click for Video
Acostar in the present tense is not only an -ar verb but it is also a stem changing verb.
Stem changing verbs have a change not only in the ending but also on the stem. In this case acostar is a o → ue stem changing verb. That means that the o in the stem changes to ue in all forms except for nosotros and vosotros.
To review stem changing verbs o → ue watch my video: https://youtu.be/LB3GJOqNAMw
To review stem changing verbs e → ie watch my video: https://youtu.be/GDEzvOkyml8
To review stem changing verbs e →i watch my video: https://youtu.be/QJrPv-whYy8
| Pronoun | Spanish | English |
| N/A | N/A | N/A |
| Tú | ¡acuesta! | Put to bed! |
| Usted (Ud.) | ¡acueste! | Put to bed! |
| Nosotros (as) | ¡acostemos! | Put to bed! |
| Vosotros (as) | ¡acostad! | Put to bed! |
| Ustedes (Uds.) | ¡acuesten! | Put to bed! |
Examples:
| ¡Acuesta el bebe en la cama! | Put the baby to bed! |
| ¡Acuesten al niño en su cama! | Put the child in his bed! |
Acostar as an Imperative Negative Command
The imperative Negative commands are used to tell someone or a group of people what NOT to do. We do not give commands in the 1st or 3rd person which is why yo, él, ella, ellos, and ellas have been removed for this tense.
Acostar is irregular when forming Imperative Negative Commands.
Mostly we will give commands or tell someone we treat as (tú) what to do. Let’s learn how to conjugate that part first.
To find the Negative Informal tú command of a regular verb follow these steps:
- Start with No
- Find the yo form of the verb in the present tense.
- Take off the “o”
- Add -es if it’s an -ar verb or -as if it’s and -er or -ir verb.
To review how to use Negative informal (tú) commands watch my video: Click for Video
Acostar in the present tense is not only an -ar verb but it is also a stem changing verb.
Stem changing verbs have a change not only in the ending but also on the stem. In this case acostar is a o → ue stem changing verb. That means that the o in the stem changes to ue in all forms except for nosotros and vosotros.
To review stem changing verbs o → ue watch my video: https://youtu.be/LB3GJOqNAMw
To review stem changing verbs e → ie watch my video: https://youtu.be/GDEzvOkyml8
To review stem changing verbs e →i watch my video: https://youtu.be/QJrPv-whYy8
| Pronoun | Spanish | English |
| N/A | N/A | N/A |
| Tú | ¡No acuestes! | Don’t put to bed! |
| Usted (Ud.) | ¡No acueste! | Don’t put to bed! |
| Nosotros (as) | ¡No acostemos! | Don’t put to bed! |
| Vosotros (as) | ¡no acostéis! | Don’t put to bed! |
| Ustedes (Uds.) | ¡No acuesten! | Don’t put to bed! |
Examples
| ¡No acuestes al perro en la cama! | Don’t put the dog on the bed! |