How to conjugate Abrir in Spanish

Abrir in Spanish means to open. 

Abrir 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 abrir so you can use it comfortably in all tenses. 

Abrir in the Present Tense

The present tense is used to talk about actions or events happening now. 

The verb abrir is regular in the present tense. 

The verb abrir is what we call an -ir verb. -ir verbs are verbs that end in ir. Regular -ir verbs are conjugated by following 2 major rules. 

1. Take off the -ir
2. Replace with a new ending depending on who performs the action. 

To review -ir verbs watch my -ir verbs video: 

Just in case you need to review conjugation of -ar verbs, Click for Page: 

Below you will find the conjugations of the verb abrir in the indicative present tense:

Pronoun	Spanish	English
Yo	abro	I open
Tú	abres	you open
Él / Ella / Usted (Ud.)	abre	he/she opens, you (formal) open
Nosotros (as)	abrimos	we open
Vosotros (as)	abrís	you (plural) Spain abrís
Ellas / Ellos / Ustedes (Uds.)	abren	they open, you (plural) open

Examples: 

Yo abro el carro.	I open the car.
Nosotros abrimos la puerta	We open the door.
Ellas abren sus mochilas al empezar la clase	They open their backpacks at the start of the class.

Abrir 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: 

1. 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. 
2. The preterite is NOT used to describe people in the past.

The verb abrir is regular in the preterite. 

Below you will find the conjugations of the verb abrir  in the preterite tense:

Pronoun	Spanish	English
Yo	abrí	I opened
Tú	abriste	you opened
Él / Ella / Usted (Ud.)	abrió	he/she opened, you (formal) opened
Nosotros (as)	abrimos	we opened
Vosotros (as)	abristeis	you (plural) Spain opened
Ellas / Ellos / Ustedes (Uds.)	abrieron	they opened, you (plural) opened

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 abrí mi cuenta de banco ayer.	I opened my bank account yesterday.
Nosotros abrimos el garaje anoche.	We opened the garage last night.
Ellas abrieron una botella de agua	They opened a bottle water

Abrir 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 abrir is regular in the imperfect tense. 

The verb abrir is what we call an -ir verb. -ir verbs are verbs that end in -ir. Regular -ir verbs are conjugated by following 2 major rules. 

1. Take off the -ir
2. Replace with a new ending depending on who performs the action. 

To review how to conjugate -ir verbs in the imperfect watch my video: Click for Video 

To review how to conjugate -ar verbs in the imperfect watch my video: Click for Video 

Below you will find the conjugations of the verb abrir in the imperfect tense:

Pronoun	Spanish	English
Yo	abría	I used to open
Tú	abrías	you used to open
Él / Ella / Usted (Ud.)	abría	he/she used to open, you (formal) used to open
Nosotros (as)	abríamos	we used to open
Vosotros (as)	abríais	you (plural) Spain used to open
Ellas / Ellos / Ustedes (Uds.)	abrían	they used to open, you (plural) used to open

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 abría mis galletas todos los viernes	I used to open my cookies every friday
Nosotros abríamos el restaurante todos los fines de semana	We used to open the restaurant every weekendd
Ellas abrían sus casilleros	They used to open their lockers

Abrir in the Future Tense

The future is used to talk about an action or event that will happen in the future. 

The verb abrir 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 abrir is in its purest form (it has not been conjugated) it’s in the infinitive.  

The verb abrir is what we call an -ir verb. -ir verbs are verbs that end in -ir. To conjugate abrir in the future, follow these two rules: 

1. Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case abrir.
2. 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 abrir using the future tense:

Pronoun	Spanish	English
Yo	abriré	I will open
Tú	abrirás	you will open
Él / Ella / Usted (Ud.)	abrirá	he/she will open, you (formal) will open
Nosotros (as)	abriremos	we will open
Vosotros (as)	abriréis	you (plural) Spain will open
Ellas / Ellos / Ustedes (Uds.)	abrirán	they will open, you (plural) will open

Examples: 

Yo abriré la puerta en la noche.	I will open the door tonight.
Nosotros abriremos un restaurante de comida de mar	We will open a seafood restaurant
Ellas abrirán una gasolinera	They will a gas station

Abrir 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 abrir is regular in the informal future tense. 

Follow this rule:

1. Ir (conjugated) + a + infinitive (verb that ends in -ar, -er, -ir and has not been conjugated).  Example : Yo voy a abrir 

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 abrir using the informal future:

Pronoun	Spanish	English
Yo	voy a abrir	I will open
Tú	vas a abrir	you will open
Él / Ella / Usted (Ud.)	va a abrir	he/she will open, you (formal) will open
Nosotros (as)	vamos a abrir	we will open
Vosotros (as)	vais a abrir	you (plural) Spain will open
Ellas / Ellos / Ustedes (Uds.)	van a abrir	they will open, you (plural) will open

Examples: 

Yo voy a abrir la puerta mañana.	I will open the door tomorrow.
Nosotros vamos a abrir la tienda mañana	We will open the store tomorrow.
Ellas van a abrir el regalo mañana	They will open their gifts tomorrow

Abrir 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 abrir 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:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ando for -ar verbs
4. Add -iendo for -er and –ir verbs

Let’s apply it to abrir:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)  = (abrir)
2. Remove the ending (-ar, -er, -ir) = (abr)
3. Add -endo for -ir verbs  = (abriendo)

The present participle of abrir is abriendo. 

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 abrir is: abriendo

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 abrir using the present progressive:

Pronoun	Spanish	English
Yo	estoy abriendo	I am opening
Tú	estás abriendo	you are opening
Él / Ella / Usted (Ud.)	está abriendo	he/she is opening, you (formal) are opening
Nosotros (as)	estamos abriendo	we are opening
Vosotros (as)	estáis abriendo	you (plural) Spain are opening
Ellas / Ellos / Ustedes (Uds.)	están abriendo	they are opening, you (plural) are opening

Examples: 

Yo estoy abriendo la puerta ahora.	I am opening the door right now.
Nosotros no estamos abriendo el carro en este momento.	We are not opening the car right now
¿Estás abriendo la puerta?	Are you opening the door?

Abrir 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 abrir is regular in the conditional tense. 

The verb abrir is what we call an -ir verb. -ir verbs are verbs that end in -ir. To conjugate abrir in the conditional tense follow these two rules: 

1. Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case abrir.
2. 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 abrir is abrir. 

Below you will find the conjugations of the verb abrir using the conditional tense:

Pronoun	Spanish	English
Yo	abriría	I would open
Tú	abrirías	you would open
Él / Ella / Usted (Ud.)	abriría	he/she would open, you (formal) would open
Nosotros (as)	abriríamos	we would open
Vosotros (as)	abríais	you (plural) Spain would open
Ellas / Ellos / Ustedes (Uds.)	abrirían	they would open, you (plural) would open

Examples: 

Yo abriría el carro si tuviera la llave	I would open the car if I had the key
Nosotros abriríamos la puerta si tuviéramos la llave	We would open the door if we had the key
Ellas abrirían el restaurante si tuvieran tiempo	They would open the restaurant if they had time

Abrir 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 abrir is irregular in the Present Perfect 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

The verb abrir is an irregular verb in the present perfect tense. That means it doesn’t follow the pattern of regular –ir verbs in the present perfect. Instead we must follow a different set of rules. Abrir is an irregular verb, for that it must end in –ierto for the past participle. 

The past participle of the verb abrir is abierto.

To summarize. Correct form of haber in the present + past participle = present perfect. 

Below you will find the conjugations of the verb abrir in the present perfect:

Pronoun	Spanish	English
Yo	he abierto	I have opened
Tú	has abierto	you have opened
Él / Ella / Usted (Ud.)	ha abierto	he/she have opened, you (formal) have opened
Nosotros (as)	hemos abierto	we have opened
Vosotros (as)	habéis abierto	you (plural) Spain have opened
Ellas / Ellos / Ustedes (Uds.)	han abierto	they have opened, you (plural) have opened

Examples: 

Yo he abierto la ventana.	I have opened the window.
Nosotros hemos abierto un restaurante en el centro comercial	We have opened a restaurant in the mall

Abrir 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 abrir is irregular 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 abrir. 

The verb abrir is an irregular verb in the past perfect tense. That means it doesn’t follow the pattern of regular –ir verbs in the past perfect. Instead we must follow a different set of rules. Abrir is an irregular verb, for that it must end in –ierto for the past participle. 

The past participle of the verb abrir is abierto.

To summarize. Use the correct form of haber in the imperfect + past participle = past perfect. 

Below you will find the conjugations of the verb abierto in the past perfect:

Pronoun	Spanish	English
Yo	había abierto	I had opened
Tú	habías abierto	you had opened
Él / Ella / Usted (Ud.)	había abierto	he/she had opened, you (formal) had opened
Nosotros (as)	habíamos abierto	we had opened
Vosotros (as)	habíais abierto	you (plural) Spain had opened
Ellas / Ellos / Ustedes (Uds.)	habían abierto	they had opened, you (plural) had opened

Examples: 

Yo había abierto una botella de agua en la mañana	I had opened a bottle water this morning
Tú habías abierto la caja de cereal para comer en la mañana	You had opened the cereal box to eat this morning
Él había abierto la ventana de la sala	He had opened the window of the living room

Abrir 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 abrir is irregular 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

The verb abrir is an irregular verb in the future perfect tense. That means it doesn’t follow the pattern of regular –ir verbs in the future perfect. Instead we must follow a different set of rules. Abrir is an irregular verb, for that it must end in -ierto in the past participle. 

The past participle of abrir is abierto. 

To summarize. Correct form of haber in the simple future tense + past participle = future perfect. 

Below you will find the conjugations of the verb abrir in the future perfect:

Pronoun	Spanish	English
Yo	habré abierto	I will have opened
Tú	habrás abierto	you will have opened
Él / Ella / Usted (Ud.)	habrá abierto	he/she will have opened, you (formal) will have opened
Nosotros (as)	habremos abierto	we will have opened
Vosotros (as)	habréis abierto	you (plural) Spain will have opened
Ellas / Ellos / Ustedes (Uds.)	habrán abierto	they will have opened, you (plural) will have opened

Examples: 

Mañana a esta hora ya habré abierto el restaurante	Tomorrow at this time, I will have opened the restaurant
Pedro habrá abierto el frasco	Pedro will have opened the jar

Abrir 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 abrir is irregular 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 abrir. 

The verb abrir is an irregular verb in the conditional perfect tense. That means it doesn’t follow the pattern of regular –ir verbs in the conditional perfect. Instead we must follow a different set of rules. Abrir is an irregular verb, for that  it must end –ierto for the past participle instead of following the traditional rules for past participles. 

The past participle of the verb abrir is abierto.

Below you will find the conjugations of the verb abrir in the conditional perfect tense:

Pronoun	Spanish	English
Yo	habría abierto	I would have opened
Tú	habrías abierto	you would have opened
Él / Ella / Usted (Ud.)	habría abierto	he/she would have opened, you (formal) would have opened
Nosotros (as)	habríamos abierto	we would have opened
Vosotros (as)	habríais abierto	you (plural) Spain will would opened
Ellas / Ellos / Ustedes (Uds.)	habrían abierto	they would have opened, you (plural) would have opened

Examples: 

Yo habría abierto la puerta si tuviera la llave	I would have opened the door if i had the key
Ellos habrían abierto el carro pero la llave no funcionó	They would have opened the car but the key didn’t work

Abrir 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 abrir is regular in the subjunctive present form. 

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 verbs:

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

Below you will find the conjugations of the verb abrir in the subjunctive present:

Pronoun	Spanish	English
Yo	abra	I may open
Tú	abras	you may open
Él / Ella / Usted (Ud.)	abra	he/she may open, you (formal) may open
Nosotros (as)	abramos	we may open
Vosotros (as)	abráis	you (plural) Spain may open
Ellas / Ellos / Ustedes (Uds.)	abran	they may open, you (plural) may open

Examples: 

Quizás abra un restaurante mexicano	Perhaps, I may open a mexican restaurant
Es posible que ellos abran una peluquería.	It’s possible they may open a hair salon

Abrir 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 abrir 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 -ir verbs like abrir 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:

1. Abrir

2. The third person of the preterite (ellos/ellas) would be: Abr- abrieron

3. Now remove -on and you are left with abr

4. Then, add a new ending.

Below you will find the conjugations of the verb abrir in the subjunctive imperfect:

Pronoun	Spanish	English
Yo	abriera	I might opened
Tú	abrieras	you might opened
Él / Ella / Usted (Ud.)	abriera	he/she might opened, you (formal) might opened
Nosotros (as)	abriéramos	we might opened
Vosotros (as)	abrierais	you (plural) Spain might opened
Ellas / Ellos / Ustedes (Uds.)	abrieran	they might opened, you (plural) might opened

OR

Pronoun	Spanish	English
Yo	abriese	I might opened
Tú	abrieses	you might opened
Él / Ella / Usted (Ud.)	abriese	he/she might opened, you (formal) might opened
Nosotros (as)	abriésemos	we might opened
Vosotros (as)	abrieseis	you (plural) Spain might opened
Ellas / Ellos / Ustedes (Uds.)	abriesen	they might opened, you (plural) might opened

Examples: 

Ella esperó en la calle dos horas hasta que ellos le abrieran la puerta	She waited in the street for two hours until they open the door for her
Mi abuela me pidió que hoy abriera la tienda temprano	My grandmother asked me to open the store early today

Abrir 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 abrir 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 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 abrir in the subjunctive future:

Pronoun	Spanish	English
Yo	abriere	I will open
Tú	abrieres	you will open
Él / Ella / Usted (Ud.)	abriere	he/she will open, you (formal) will open
Nosotros (as)	abrieres	we will open
Vosotros (as)	abriereis	you (plural) Spain will open
Ellas / Ellos / Ustedes (Uds.)	abrieren	they will open, you (plural) will open

Example:

El día que abriere mi propio centro comercial sería muy feliz

The day I will open my own mall I will be very happy.

Abrir 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 abrir is irregular 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 verb abrir is an irregular verb in the subjunctive present perfect. That means it doesn’t follow the pattern of regular –ir verbs in the subjunctive present perfect. Instead we must follow a different set of rules. Abrir is an irregular verb, for that it must end in -ierto for the past participle instead of following traditional rules for past participles.

The past participle of the verb abrir is: abierto

 Here are the conjugations of the verb abrir in the subjunctive present perfect. 

Pronoun	Spanish	English
Yo	haya abierto	I may have opened
Tú	hayas abierto	you may have opened
Él / Ella / Usted (Ud.)	haya abierto	he/she may have opened, you (formal) may have opened
Nosotros (as)	hayamos abierto	we may have opened
Vosotros (as)	hayáis abierto	you (plural) Spain may have opened
Ellas / Ellos / Ustedes (Uds.)	hayan abierto	they may have opened, you (plural) may have opened

Example:

Dudo que alguna vez ella haya abierto su casa a extraños	I doubt that she may have opened her house to strangers
No creo que sea posible que ellos hayan abierto el carro	I don’t think it is possible that they may have opened the car

Abrir 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

The verb abrir is an irregular verb in the subjunctive past perfect. That means it doesn’t follow the pattern of regular –ir verbs in the Subjunctive past perfect. Instead we must follow a different set of rules. Abrir is an irregular verb, for that it must end in -ierto for the past participle instead of following traditional rules for past participles.

The past participle of the verb abrir is abierto.

Now, let’s put it together . Here are the conjugations of the verb abrir in the subjunctive past perfect. 

Pronoun	Spanish	English
Yo	hubiese abierto	I might have opened
Tú	hubieses abierto	you might have opened
Él / Ella / Usted (Ud.)	hubiese abierto	he/she might have opened, you (formal) might have opened
Nosotros (as)	hubiésemos abierto	we might have opened
Vosotros (as)	hubieseis abierto	you (plural) Spain might have opened
Ellas / Ellos / Ustedes (Uds.)	hubiesen abierto	they might have opened, you (plural) might have opened

OR

Pronoun	Spanish	English
Yo	hubiera abierto	I might have opened
Tú	hubieras abierto	you might have opened
Él / Ella / Usted (Ud.)	hubiera abierto	he/she might have opened, you (formal) might have opened
Nosotros (as)	hubiéramos abierto	we might have opened
Vosotros (as)	hubierais abierto	you (plural) Spain might have opened
Ellas / Ellos / Ustedes (Uds.)	hubieran abierto	they might have opened, you (plural) might have opened

Example:

Yo te hubiese abierto la puerta si hubiese podido.	I might have opened the door for you if I could have.
Desearía que no  hubieran abierto mis cosas	I wish you might not have opened my stuff

Abrir 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.

Abrir is regular 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:

1. Find the tú form of the verb in the present tense. 
2. Take off the “s”
3. 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 abrir  would be abre. 

Let’s see the process:

1. Find the tú form of the verb in the present tense.  (abres)
2. Take off the “s”.  (abre)
3. That will give you the affirmative informal command of a verb in the tú form.  (abre)

To review how to use Affirmative informal (tú) commands watch my video: Click for Video 

Pronoun	Spanish	English
N/A	N/A	N/A
Tú	¡abre!	open!
Usted (Ud.)	¡abra!	open!
Nosotros (as)	¡abramos!	open!
Vosotros (as)	¡abrid!	open!
Ustedes (Uds.)	¡abran!	open!

Examples:

¡Abre la puerta!	Open the door.
¡Abran sus maletas!	Open your suitcases

Abrir 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.

Abrir is regular 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:

1. Start with No
2. Find the yo form of the verb in the present tense. 
3. Take off the “o”
4. 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 

Pronoun	Spanish	English
N/A	N/A	N/A
Tú	¡No abras!	Don’t open!
Usted (Ud.)	¡No abra!	Don’t open!
Nosotros (as)	¡No abramos!	Don’t open!
Vosotros (as)	¡No abráis!	Don’t open!
Ustedes (Uds.)	¡No abran!	Don’t open!

Examples

¡No abras la puerta a extraños!

Don’t open the door to strangers