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Afiliarse is a Spanish verb which translates into English as “to join, become affiliated”.
It’s a reflexive verb, which means the subject performs the action upon themselves – e.g. “I wake myself”.
Reflexive verbs always carry a reflexive pronoun – me, te, se, nos or os – which is often placed before the conjugated verb (e.g. me afilio) or after the infinitive (e.g. Él tiene que afiliarse).
Below are all of the conjugations for afiliarse in Spanish, in all three moods (indicative/indicativo, subjunctive/subjunctivo and imperative/imperativo) and all of the tenses, for each pronoun.
The vosotros pronoun is mainly used in mainland Spain, and is the informal second-person plural – it could be considered the Spanish version of “y’all”. It is rarely found in Latin America, where ustedes is used instead.
The vos form is used instead of tú in some Spanish speaking countries of South America, especially the Southern Cone (e.g. Argentina and Uruguay) and has a different conjugation.
| English Infinitive | to join, become affiliated |
|---|---|
| Spanish Infinitive | afiliarse |
The gerund (gerundio) is used with the continuous tenses, e.g. present continuous (está afiliándose) and past continuous (estaba afiliándose). The easiest way to think of it is the equivalent of english’s -ing form (e.g. joining).
The past participle (participio) is used with perfect tense ‘haber’ verbs, e.g. he afiliado and hubiera afiliado. These are the equivalent of English’s ‘have’ (e.g. have joined).
| Gerundio / Gerund | afiliándose |
|---|---|
| Participio / Past Participle | afiliado |
The basic form of speech, el indicativo is used for making statements, talking about facts, events and things that are certain and objective.
The present tense is as it sounds – it’s for talking about things that are currently going on, which are habitual, or which generally exist. In English, this would be “I join” or “they join”.
| Pronoun | Spanish |
|---|---|
| Yo | me afilio |
| Tú | te afilias |
| Él / Ella / Usted | se afilia |
| Nosotros / as | nos afiliamos |
| Vosotros / as | os afiliáis |
| Ellos / Ellas / Ustedes | se afilian |
| Vos | afiliás |
Your simple past tense, e.g. “I joined” or “she joined” in English.
In Spanish, there are two past tenses where just one is used in English; the pretérite infefinido is typically used to refer to a concrete, specific moment in time.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me afilié | I joined |
| Tú | te afiliaste | You joined |
| Él / Ella / Usted | se afilió | He / she / you joined |
| Nosotros / as | nos afiliamos | We joined |
| Vosotros / as | os afiliasteis | You joined |
| Ellos / Ellas / Ustedes | se afiliaron | They / you joined |
| Vos | te afiliaste | You joined |
The pretérito imperfecto roughly translates as “I was joining” or “she was joining” in English, and is typically used to describe things and set a scene, talk about events without a specific timeframe, or talk about habitual events or states in the past.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me afiliaba | I was joining |
| Tú | te afiliabas | You were joining |
| Él / Ella / Usted | se afiliaba | He was / she was / you were joining |
| Nosotros / as | nos afiliábamos | We were joining |
| Vosotros / as | os afiliabais | You were joining |
| Ellos / Ellas / Ustedes | se afiliaban | They / you were joining |
| Vos | te afiliabas | You were joining |
The perfect tense is for talking about things which happened in the past but are still related to the present or continue into the present.
In English, these use the auxiliary verbs ‘have’ and ‘has’ – i.e. “I have joined” and “she has joined”.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me he afiliado | I have joined |
| Tú | te has afiliado | You have joined |
| Él / Ella / Usted | se ha afiliado | He has / she has / you have joined |
| Nosotros / as | nos hemos afiliado | We have joined |
| Vosotros / as | os habéis afiliado | You have joined |
| Ellos / Ellas / Ustedes | se han afiliado | They / you have joined |
| Vos | te has afiliado | You have joined |
The conditional is used in place of the English modal verb “would”, i.e. “I would join” or “she would join”. It can be used to talk about hypothetical situations.
| Pronoun | Spanish | Englush |
|---|---|---|
| Yo | me afiliaría | I would join |
| Tú | te afiliarías | You would join |
| Él / Ella / Usted | se afiliaría | He / she / you would join |
| Nosotros / as | nos afiliaríamos | We would join |
| Vosotros / as | os afiliaríais | You would join |
| Ellos / Ellas / Ustedes | se afiliarían | They / you would join |
| Vos | te afiliarías | You would join |
The future tense, simply put, replaces the English modal verb “will” – i.e. “I will join” or “they will join”.
It is more commonly used for making a hypothesis about the present. To talk about the future, Spanish speakers frequently use “ir + a + infinivo”, e.g. “van a afiliarse” means “They are going to join”.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me afiliaré | I will join |
| Tú | te afiliarás | You will join |
| Él / Ella / Usted | se afiliará | He / she / you will join |
| Nosotros / as | nos afiliaremos | We will join |
| Vosotros / as | os afiliaréis | You will join |
| Ellos / Ellas / Ustedes | se afiliarán | They / you will join |
| Vos | te afiliarás | You will join |
| Pronoun | Spanish |
|---|---|
| Yo | me afilie |
| Tú | te afilies |
| Él / Ella / Usted | se afilie |
| Nosotros / as | nos afiliemos |
| Vosotros / as | os afiliéis |
| Ellos / Ellas / Ustedes | se afilien |
| Vos | te afilies |
There are two ways to form the imperfect subjunctive.
The first option sees verbs ending in -era (for -er and -ir verbs) and -ara (for -ar verbs), while the second sees verbs ending in -ese (for -er and -ir verbs) and -ase (for -ar verbs).
There is no difference between these two forms, and Spanish speakers use them interchangeably.
| Pronoun | Spanish era/ara | Spanish ese/ase |
|---|---|---|
| Yo | me afiliara | me afiliase |
| Tú | te afiliaras | me afiliase |
| Él / Ella / Usted | se afiliara | se afiliase |
| Nosotros / as | nos afiliáramos | nos afiliásemos |
| Vosotros / as | os afiliarais | os afiliaseis |
| Ellos / Ellas / Ustedes | se afiliaran | se afiliasen |
| Vos | te afiliaras | me afiliase |
The future subjunctive is no longer used in modern-day Spanish, apart from in literary and legal contexts, and there is no need to learn it.
It is formed the same as the past/imperfect subjunctive, but with -e endings instead of -a endings.
| Pronoun | Spanish |
|---|---|
| Yo | me afiliare |
| Tú | te afiliares |
| Él / Ella / Usted | se afiliare |
| Nosotros / as | nos afiliáremos |
| Vosotros / as | os afiliareis |
| Ellos / Ellas / Ustedes | se afiliaren |
| Vos | te afiliares |
Used for forming positive and negative commands, e.g. “join!” and “don’t join!”.
| Pronoun | Spanish Affirmative | Spanish Negative |
|---|---|---|
| Tú | afiliate | no te afilies |
| Él / Ella / Usted | afiliese | no se afilie |
| Nosotros / as | afiliémonos | no nos afiliemos |
| Vosotros / as | afiliaos | no os afiliéis |
| Ellos / Ellas / Ustedes | afiliense | no se afilien |
| Vos | afiliá | no te afilies |
| Pronoun | Spanish |
|---|---|
| Yo | haya afiliado |
| Tú | hayas afiliado |
| Él / Ella / Usted | haya afiliado |
| Nosotros / as | hayamos afiliado |
| Vosotros / as | hayáis afiliado |
| Ellos / Ellas / Ustedes | hayan afiliado |
| Vos | hayas afiliado |
| Pronoun | Spanish |
|---|---|
| Yo | hubiera afiliado / hubiese afiliado |
| Tú | hubieras afiliado / hubieses afiliado |
| Él / Ella / Usted | hubiera afiliado / hubiese afiliado |
| Nosotros / as | hubiéramos afiliado / hubiésemos afiliado |
| Vosotros / as | hubierais afiliado / hubieseis afiliado |
| Ellos / Ellas / Ustedes | hubieran afiliado / hubiesen afiliado |
| Vos | hubieras afiliado / hubieses afiliado |
| Pronoun | Spanish |
|---|---|
| Yo | hubiere afiliado |
| Tú | hubieres afiliado |
| Él / Ella / Usted | hubiere afiliado |
| Nosotros / as | hubiéremos afiliado |
| Vosotros / as | hubiereis afiliado |
| Ellos / Ellas / Ustedes | hubieren afiliado |
| Vos | hubieres afiliado |
| Pronoun | Spanish |
|---|---|
| Yo | esté afiliándose |
| Tú | estés afiliándose |
| Él / Ella / Usted | esté afiliándose |
| Nosotros / as | estemos afiliándose |
| Vosotros / as | estéis afiliándose |
| Ellos / Ellas / Ustedes | estén afiliándose |
| Vos | estés afiliándose |
| Pronoun | Spanish |
|---|---|
| Yo | estuviera afiliándose / estuviese afiliándose |
| Tú | estuvieras afiliándose / estuvieses afiliándose |
| Él / Ella / Usted | estuviera afiliándose / estuviese afiliándose |
| Nosotros / as | estuviéramos afiliándose / estuviésamos afiliándose |
| Vosotros / as | estuvierais afiliándose / estuvieseis afiliándose |
| Ellos / Ellas / Ustedes | estuviera afiliándose / estuviese afiliándose |
| Vos | estuvieras afiliándose / estuvieses afiliándose |
| Pronoun | Spanish |
|---|---|
| Yo | estuviere afiliándose |
| Tú | estuvieres afiliándose |
| Él / Ella / Usted | estuviere afiliándose |
| Nosotros / as | estuviéremos afiliándose |
| Vosotros / as | estuviereis afiliándose |
| Ellos / Ellas / Ustedes | estuviere afiliándose |
| Vos | estuvieres afiliándose |
Voseo is the practice of using ‘vos’ instead of ‘tú’ as the second-person singular pronoun, and is common throughout much of South America.
There are various versions of ‘voseo’ used throughout the Spanish-speaking world. The conjugations for the most common type – used throughout Argentina, parts of Bolivia, Colombia, Ecuador, Paraguya and Uruguay are below.
The present indicative (presente de indicativo) and affirmative imperative (imperativo) have different conjugations from the tú form, while all other tenses generally use the tú form.
| Tense | Vos Conjugation |
|---|---|
| Present Indicative Presente de Indicativo | Vos afiliás |
| Simle Past / Preterite Preterite de Indicativo | Vos te afiliaste |
| Imperfect Past Preterite Imperfecto de Indicativo | Vos te afiliabas |
| Conditional Condicional | Vos te afiliarías |
| Future Futuro de Indicativo | Vos te afiliarás |
| Present Subjunctive Presente de Subjunctivo | Vos te afilies |
| Imperfect Subjunctive Imperfecto de Subjunctivo | Vos te afiliaras / Vos me afiliase |
| Affirmative Imperative Imperativo | Vos afiliá |
| Negative Imperative Imperativo Negativo | Vos no te afilies |