Ella VerbsHow to conjugate Unirse in Spanish
unirse to join Regular IR Verb
At a glance: Unirse (to join) is a reflexive regular -IR verb in Spanish. In the present tense: me uno, te unes, se une, nos unimos, os unís, se unen. Because it is fully regular, its endings apply directly to hundreds of other -IR verbs.
- Past participle
- unido joined
- Gerund
- uniendo joining
- Similar
- fundirse, juntar, unir
Table of contents
- Indicative tenses of Unirse
- Unirse in the Indicative Present
- Unirse in the Indicative Preterite
- Unirse in the Indicative Imperfect
- Unirse in the Indicative Present Continuous
- Unirse in the Indicative Informal Future
- Unirse in the Indicative Future
- Unirse in the Indicative Conditional
- Unirse in the Indicative Present Perfect
- Unirse in the Indicative Past Perfect
- Unirse in the Indicative Future Perfect
- Unirse in the Indicative Conditional Perfect
- Subjunctive tenses of Unirse
- Imperative tenses of Unirse
- Verbs that follow the same patterns
- Frequently asked questions
- Downloadable cheat sheet (PDF)
- Practise Unirse conjugations (free mobile app)
Unirse conjugation tables as a PDF
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Indicative tenses of Unirse
Unirse in the Indicative Present
The Indicative Present of unirse is used to talk about situations, events or thoughts that are happening now or in the near future. It is also used to talk about facts and truths. For example, “me uno”, meaning “I join”.
In Spanish, the Indicative Present is known as "El Presente".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me uno | I join |
| Tú | te unes | you join |
| Ella / Él / Usted | se une | s/he joins |
| Nosotras / Nosotros | nos unimos | we join |
| Vosotras / Vosotros | os unís | you (plural) join |
| Ellas / Ellos / Ustedes | se unen | they join |
How it’s built: Regular: stem un- plus the -ir endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Preterite
The Indicative Preterite of unirse is used to talk about actions completed in the past, at a specific point in time. For example, “me uní”, meaning “I joined”.
In Spanish, the Indicative Preterite is known as "El Pretérito Indefinido".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me uní | I joined |
| Tú | te uniste | you joined |
| Ella / Él / Usted | se unió | s/he joined |
| Nosotras / Nosotros | nos unimos | we joined |
| Vosotras / Vosotros | os unisteis | you (plural) joined |
| Ellas / Ellos / Ustedes | se unieron | they joined |
How it’s built: Regular: stem un- plus the -ir endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Imperfect
The Indicative Imperfect of unirse is used to describe regular and repeated actions that happened in the past and descriptions of things you used to do. For example, “me unía”, meaning “I used to join”.
In Spanish, the Indicative Imperfect is known as "El Pretérito Imperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me unía | I used to join |
| Tú | te unías | you used to join |
| Ella / Él / Usted | se unía | s/he used to join |
| Nosotras / Nosotros | nos uníamos | we used to join |
| Vosotras / Vosotros | os uníais | you (plural) used to join |
| Ellas / Ellos / Ustedes | se unían | they used to join |
How it’s built: Regular: stem un- plus the -ir endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Present Continuous
The Indicative Present Continuous of unirse is used to talk about something that is happening continuously or right now. For example, “me estoy uniendo”, meaning “I am joining”.
In Spanish, the Indicative Present Continuous is known as "El Presente Progresivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me estoy uniendo | I am joining |
| Tú | te estás uniendo | you are joining |
| Ella / Él / Usted | se está uniendo | s/he is joining |
| Nosotras / Nosotros | nos estamos uniendo | we are joining |
| Vosotras / Vosotros | os estáis uniendo | you (plural) are joining |
| Ellas / Ellos / Ustedes | se están uniendo | they are joining |
How it’s built: Estar in the present (estoy, estás, está, estamos, estáis, están) plus the gerund uniendo. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Informal Future
The Indicative Informal Future of unirse is used to talk about something that will happen in the future, especially in the near future. For example, “me voy a unir”, meaning “I am going to join”.
In Spanish, the Indicative Informal Future is known as "El Futuro Próximo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me voy a unir | I am going to join |
| Tú | te vas a unir | you are going to join |
| Ella / Él / Usted | se va a unir | s/he is going to join |
| Nosotras / Nosotros | nos vamos a unir | we are going to join |
| Vosotras / Vosotros | os vais a unir | you (plural) are going to join |
| Ellas / Ellos / Ustedes | se van a unir | they are going to join |
How it’s built: Ir in the present (voy, vas, va, vamos, vais, van), then a, then the infinitive unir. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Future
The Indicative Future of unirse is used to talk about something that will happen in the future. For example, “me uniré”, meaning “I will join”.
In Spanish, the Indicative Future is known as "El Futuro Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me uniré | I will join |
| Tú | te unirás | you will join |
| Ella / Él / Usted | se unirá | s/he will join |
| Nosotras / Nosotros | nos uniremos | we will join |
| Vosotras / Vosotros | os uniréis | you (plural) will join |
| Ellas / Ellos / Ustedes | se unirán | they will join |
How it’s built: Regular: the infinitive unir plus the future endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Conditional
The Indicative Conditional of unirse is used to talk about something that may happen in the future, hypothesis and probabilities. For example, “me uniría”, meaning “I would join”.
In Spanish, the Indicative Conditional is known as "El Condicional Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me uniría | I would join |
| Tú | te unirías | you would join |
| Ella / Él / Usted | se uniría | s/he would join |
| Nosotras / Nosotros | nos uniríamos | we would join |
| Vosotras / Vosotros | os uniríais | you (plural) would join |
| Ellas / Ellos / Ustedes | se unirían | they would join |
How it’s built: Regular: the infinitive unir plus the conditional endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Present Perfect
The Indicative Present Perfect of unirse is used to describe actions that started recently (in the past) and are still happening now or things that have been done recently. For example, “me he unido”, meaning “I have joined”.
In Spanish, the Indicative Present Perfect is known as "El Pretérito Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me he unido | I have joined |
| Tú | te has unido | you have joined |
| Ella / Él / Usted | se ha unido | s/he has joined |
| Nosotras / Nosotros | nos hemos unido | we have joined |
| Vosotras / Vosotros | os habéis unido | you (plural) have joined |
| Ellas / Ellos / Ustedes | se han unido | they have joined |
How it’s built: Haber in the present (he, has, ha, hemos, habéis, han) plus the past participle unido. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Past Perfect
The Indicative Past Perfect of unirse is used to talk about actions that happened before another action in the past. For example, “me había unido”, meaning “I had joined”.
In Spanish, the Indicative Past Perfect is known as "El Pretérito Pluscuamperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me había unido | I had joined |
| Tú | te habías unido | you had joined |
| Ella / Él / Usted | se había unido | s/he had joined |
| Nosotras / Nosotros | nos habíamos unido | we had joined |
| Vosotras / Vosotros | os habíais unido | you (plural) had joined |
| Ellas / Ellos / Ustedes | se habían unido | they had joined |
How it’s built: Haber in the imperfect (había, habías, había, habíamos, habíais, habían) plus the past participle unido. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Future Perfect
The Indicative Future Perfect of unirse is used to talk about something that will have happened in the future after something else has already happened. For example, “me habré unido”, meaning “I will have joined”.
In Spanish, the Indicative Future Perfect is known as "El Futuro Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me habré unido | I will have joined |
| Tú | te habrás unido | you will have joined |
| Ella / Él / Usted | se habrá unido | s/he will have joined |
| Nosotras / Nosotros | nos habremos unido | we will have joined |
| Vosotras / Vosotros | os habréis unido | you (plural) will have joined |
| Ellas / Ellos / Ustedes | se habrán unido | they will have joined |
How it’s built: Haber in the future (habré, habrás, habrá, habremos, habréis, habrán) plus the past participle unido. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Indicative Conditional Perfect
The Indicative Conditional Perfect of unirse is used to talk about something that would have happened in the past but didn’t due to another action. For example, “me habría unido”, meaning “I would have joined”.
In Spanish, the Indicative Conditional Perfect is known as "El Condicional Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me habría unido | I would have joined |
| Tú | te habrías unido | you would have joined |
| Ella / Él / Usted | se habría unido | s/he would have joined |
| Nosotras / Nosotros | nos habríamos unido | we would have joined |
| Vosotras / Vosotros | os habríais unido | you (plural) would have joined |
| Ellas / Ellos / Ustedes | se habrían unido | they would have joined |
How it’s built: Haber in the conditional (habría, habrías, habría, habríamos, habríais, habrían) plus the past participle unido. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Subjunctive tenses of Unirse
Unirse in the Subjunctive Present
The Subjunctive Present is used to talk about situations of uncertainty, or emotions such as wishes, desires and hopes. It differs from the indicative mood due to the uncertainty of the events which are being spoken about. For example, “me una”, meaning “I join”.
In Spanish, the Subjunctive Present is known as "El Presente de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me una | I join |
| Tú | te unas | you join |
| Ella / Él / Usted | se una | s/he joins |
| Nosotras / Nosotros | nos unamos | we join |
| Vosotras / Vosotros | os unáis | you (plural) join |
| Ellas / Ellos / Ustedes | se unan | they join |
How it’s built: Regular: stem un- plus the -ir subjunctive endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Subjunctive Imperfect
The Subjunctive Imperfect is used to speak about unlikely or uncertain events in the past or to cast an opinion (emotional) about something that happened in the past. For example, “me uniera”, meaning “I joined”.
In Spanish, the Subjunctive Imperfect is known as "El Imperfecto Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me uniera | I joined |
| Tú | te unieras | you joined |
| Ella / Él / Usted | se uniera | s/he joined |
| Nosotras / Nosotros | nos uniéramos | we joined |
| Vosotras / Vosotros | os unierais | you (plural) joined |
| Ellas / Ellos / Ustedes | se unieran | they joined |
How it’s built: Regular: the ellas/ellos preterite, unieron, without -ron, plus the -ra endings; nosotros adds an accent (uniéramos). The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Subjunctive Future
The Subjunctive Future is used to speak about hypothetical situations, and actions/events that may happen in the future. For example, “me uniere”, meaning “I will join”.
In Spanish, the Subjunctive Future is known as "El Futuro de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me uniere | I will join |
| Tú | te unieres | you will join |
| Ella / Él / Usted | se uniere | s/he will join |
| Nosotras / Nosotros | nos uniéremos | we will join |
| Vosotras / Vosotros | os uniereis | you (plural) will join |
| Ellas / Ellos / Ustedes | se unieren | they will join |
How it’s built: Regular: the ellas/ellos preterite, unieron, without -ron, plus the -re endings; nosotros adds an accent (uniéremos). The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Subjunctive Present Perfect
The Subjunctive Present Perfect is used to describe past actions or events that are still connected to the present day and to speak about an action that will have happened by a certain time in the future. For example, “me haya unido”, meaning “I have joined”.
In Spanish, the Subjunctive Present Perfect is known as "El Pretérito Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me haya unido | I have joined |
| Tú | te hayas unido | you have joined |
| Ella / Él / Usted | se haya unido | s/he has joined |
| Nosotras / Nosotros | nos hayamos unido | we have joined |
| Vosotras / Vosotros | os hayáis unido | you (plural) have joined |
| Ellas / Ellos / Ustedes | se hayan unido | they have joined |
How it’s built: Haber in the subjunctive present (haya, hayas, haya, hayamos, hayáis, hayan) plus the past participle unido. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Subjunctive Past Perfect
The Subjunctive Past Perfect is used to speak about hypothetical situations, and actions/events that occurred before other actions/events in the past. For example, “me hubiera unido”, meaning “I had joined”.
In Spanish, the Subjunctive Past Perfect is known as "El Pretérito Pluscuamperfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me hubiera unido | I had joined |
| Tú | te hubieras unido | you had joined |
| Ella / Él / Usted | se hubiera unido | s/he had joined |
| Nosotras / Nosotros | nos hubiéramos unido | we had joined |
| Vosotras / Vosotros | os hubierais unido | you (plural) had joined |
| Ellas / Ellos / Ustedes | se hubieran unido | they had joined |
How it’s built: Haber in the subjunctive imperfect (hubiera, hubieras, hubiera, hubiéramos, hubierais, hubieran) plus the past participle unido. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Unirse in the Subjunctive Future Perfect
The Subjunctive Future Perfect is used to speak about something that will have happened if a hypothetical situations occurs in the future. For example, “me hubiere unido”, meaning “I will have joined”.
In Spanish, the Subjunctive Future Perfect is known as "El Futuro Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me hubiere unido | I will have joined |
| Tú | te hubieres unido | you will have joined |
| Ella / Él / Usted | se hubiere unido | s/he will have joined |
| Nosotras / Nosotros | nos hubiéremos unido | we will have joined |
| Vosotras / Vosotros | os hubiereis unido | you (plural) will have joined |
| Ellas / Ellos / Ustedes | se hubieren unido | they will have joined |
How it’s built: Haber in the subjunctive future (hubiere, hubieres, hubiere, hubiéremos, hubiereis, hubieren) plus the past participle unido. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Imperative tenses of Unirse
Unirse in the Imperative Affirmative
The Imperative Affirmative is used to give orders and commands, to tell someone to do something. For example, “únase”, meaning “(to you formal) join!”.
In Spanish, the Imperative Affirmative is known as "El Imperativo Afirmativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | únete | (to you) join! |
| Ella / Él / Usted | únase | (to you formal) join! |
| Nosotras / Nosotros | unámonos | let's join! |
| Vosotras / Vosotros | uníos | (to you plural) join! |
| Ellas / Ellos / Ustedes | únanse | (to you plural formal) join! |
How it’s built: Tú takes the ella/él present and attaches te (únete); usted and ustedes take the subjunctive present and attach se (únase, únanse); nosotros takes the subjunctive present, drops the s and attaches nos (unámonos); vosotros drops the final r of the infinitive and attaches os (uníos).
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Unirse in the Imperative Negative
The Imperative Negative is used to give orders and commands, telling someone not to do something. For example, “no se una”, meaning “(to you formal) don't join!”.
In Spanish, the Imperative Negative is known as "El Imperativo Negativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | no te unas | (to you) don't join! |
| Ella / Él / Usted | no se una | (to you formal) don't join! |
| Nosotras / Nosotros | no nos unamos | let's not join! |
| Vosotras / Vosotros | no os unáis | (to you plural) don't join! |
| Ellas / Ellos / Ustedes | no se unan | (to you plural formal) don't join! |
How it’s built: No plus the subjunctive present: no te unas, no se una, no nos unamos, no os unáis, no se unan.
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Frequently asked questions about Unirse
Is unirse a regular or irregular verb?
Unirse is a fully regular -IR reflexive verb. It follows the standard -IR conjugation pattern in every tense and mood without any stem changes, spelling changes, or irregular forms. This makes it a model verb for learning the -IR conjugation system.
How do you conjugate unirse in the present tense (presente)?
In the present tense (presente), unirse is conjugated as: yo me uno, tú te unes, él/ella/usted se une, nosotros nos unimos, vosotros os unís, ellos/ellas/ustedes se unen. The present tense is used To talk about situations, events or thoughts that are happening now or in the near future. It is also used to talk about facts and truths.
How do you conjugate unirse in the preterite (pretérito indefinido)?
In the preterite (pretérito indefinido), unirse is conjugated as: yo me uní, tú te uniste, él/ella/usted se unió, nosotros nos unimos, vosotros os unisteis, ellos/ellas/ustedes se unieron. The preterite is used To talk about actions completed in the past, at a specific point in time.
How do you conjugate unirse in the imperfect (pretérito imperfecto)?
In the imperfect (pretérito imperfecto), unirse is conjugated as: yo me unía, tú te unías, él/ella/usted se unía, nosotros nos uníamos, vosotros os uníais, ellos/ellas/ustedes se unían. The imperfect is used To describe regular and repeated actions that happened in the past and descriptions of things you used to do.
How do you conjugate unirse in the future tense (futuro simple)?
In the future tense (futuro simple), unirse is conjugated as: yo me uniré, tú te unirás, él/ella/usted se unirá, nosotros nos uniremos, vosotros os uniréis, ellos/ellas/ustedes se unirán. The future tense is used To talk about something that will happen in the future.
How do you conjugate unirse in the present subjunctive (subjuntivo presente)?
In the present subjunctive (subjuntivo presente), unirse is conjugated as: yo me una, tú te unas, él/ella/usted se una, nosotros nos unamos, vosotros os unáis, ellos/ellas/ustedes se unan. The present subjunctive is used To talk about situations of uncertainty, or emotions such as wishes, desires and hopes. It differs from the indicative mood due to the uncertainty of the events which are being spoken about.
What’s the difference between unir and unirse?
Unir means ‘to unite, to join’ and unirse means ‘to join’. Unirse is the reflexive form of unir, so it always takes a reflexive pronoun – me, te, se, nos, os or se – that matches the subject. The verb itself is conjugated the same way: in the present tense, yo uno becomes me uno. In the affirmative tú imperative the pronoun attaches to the end of the verb, so une becomes únete.
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Downloadable cheat sheets
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