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Acelerar is a Spanish verb which translates into English as “to accelerate, speed up, hurry”.
Below are all of the conjugations for acelerar 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 accelerate, speed up, hurry |
|---|---|
| Spanish Infinitive | acelerar |
The gerund (gerundio) is used with the continuous tenses, e.g. present continuous (está acelerando) and past continuous (estaba acelerando). The easiest way to think of it is the equivalent of english’s -ing form (e.g. accelerating).
The past participle (participio) is used with perfect tense ‘haber’ verbs, e.g. he acelerado and hubiera acelerado. These are the equivalent of English’s ‘have’ (e.g. have accelerated).
| Gerundio / Gerund | acelerando |
|---|---|
| Participio / Past Participle | acelerado |
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 accelerate” or “they accelerate”.
| Pronoun | Spanish |
|---|---|
| Yo | acelero |
| Tú | aceleras |
| Él / Ella / Usted | acelera |
| Nosotros / as | aceleramos |
| Vosotros / as | aceleráis |
| Ellos / Ellas / Ustedes | aceleran |
| Vos | acelerás |
Your simple past tense, e.g. “I accelerated” or “she accelerated” 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 | aceleré | I accelerated |
| Tú | aceleraste | You accelerated |
| Él / Ella / Usted | aceleró | He / she / you accelerated |
| Nosotros / as | aceleramos | We accelerated |
| Vosotros / as | acelerasteis | You accelerated |
| Ellos / Ellas / Ustedes | aceleraron | They / you accelerated |
| Vos | aceleraste | You accelerated |
The pretérito imperfecto roughly translates as “I was accelerating” or “she was accelerating” 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 | aceleraba | I was accelerating |
| Tú | acelerabas | You were accelerating |
| Él / Ella / Usted | aceleraba | He was / she was / you were accelerating |
| Nosotros / as | acelerábamos | We were accelerating |
| Vosotros / as | acelerabais | You were accelerating |
| Ellos / Ellas / Ustedes | aceleraban | They / you were accelerating |
| Vos | acelerabas | You were accelerating |
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 accelerated” and “she has accelerated”.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | he acelerado | I have accelerated |
| Tú | has acelerado | You have accelerated |
| Él / Ella / Usted | ha acelerado | He has / she has / you have accelerated |
| Nosotros / as | hemos acelerado | We have accelerated |
| Vosotros / as | habéis acelerado | You have accelerated |
| Ellos / Ellas / Ustedes | han acelerado | They / you have accelerated |
| Vos | has acelerado | You have accelerated |
The conditional is used in place of the English modal verb “would”, i.e. “I would accelerate” or “she would accelerate”. It can be used to talk about hypothetical situations.
| Pronoun | Spanish | Englush |
|---|---|---|
| Yo | aceleraría | I would accelerate |
| Tú | acelerarías | You would accelerate |
| Él / Ella / Usted | aceleraría | He / she / you would accelerate |
| Nosotros / as | aceleraríamos | We would accelerate |
| Vosotros / as | aceleraríais | You would accelerate |
| Ellos / Ellas / Ustedes | acelerarían | They / you would accelerate |
| Vos | acelerarías | You would accelerate |
The future tense, simply put, replaces the English modal verb “will” – i.e. “I will accelerate” or “they will accelerate”.
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 acelerar” means “They are going to accelerate”.
| Pronoun | Spanish | English |
|---|---|---|
| Yo | aceleraré | I will accelerate |
| Tú | acelerarás | You will accelerate |
| Él / Ella / Usted | acelerará | He / she / you will accelerate |
| Nosotros / as | aceleraremos | We will accelerate |
| Vosotros / as | aceleraréis | You will accelerate |
| Ellos / Ellas / Ustedes | acelerarán | They / you will accelerate |
| Vos | acelerarás | You will accelerate |
| Pronoun | Spanish |
|---|---|
| Yo | acelere |
| Tú | aceleres |
| Él / Ella / Usted | acelere |
| Nosotros / as | aceleremos |
| Vosotros / as | aceleréis |
| Ellos / Ellas / Ustedes | aceleren |
| Vos | aceleres |
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 | acelerara | acelerase |
| Tú | aceleraras | acelerase |
| Él / Ella / Usted | acelerara | acelerase |
| Nosotros / as | aceleráramos | acelerásemos |
| Vosotros / as | acelerarais | aceleraseis |
| Ellos / Ellas / Ustedes | aceleraran | acelerasen |
| Vos | aceleraras | acelerase |
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 | acelerare |
| Tú | acelerares |
| Él / Ella / Usted | acelerare |
| Nosotros / as | aceleráremos |
| Vosotros / as | acelerareis |
| Ellos / Ellas / Ustedes | aceleraren |
| Vos | acelerares |
Used for forming positive and negative commands, e.g. “accelerate!” and “don’t accelerate!”.
| Pronoun | Spanish Affirmative | Spanish Negative |
|---|---|---|
| Tú | acelera | no aceleres |
| Él / Ella / Usted | acelere | no acelere |
| Nosotros / as | aceleremos | no aceleremos |
| Vosotros / as | acelerad | no aceleréis |
| Ellos / Ellas / Ustedes | aceleren | no aceleren |
| Vos | acelerá | no aceleres |
| Pronoun | Spanish |
|---|---|
| Yo | haya acelerado |
| Tú | hayas acelerado |
| Él / Ella / Usted | haya acelerado |
| Nosotros / as | hayamos acelerado |
| Vosotros / as | hayáis acelerado |
| Ellos / Ellas / Ustedes | hayan acelerado |
| Vos | hayas acelerado |
| Pronoun | Spanish |
|---|---|
| Yo | hubiera acelerado / hubiese acelerado |
| Tú | hubieras acelerado / hubieses acelerado |
| Él / Ella / Usted | hubiera acelerado / hubiese acelerado |
| Nosotros / as | hubiéramos acelerado / hubiésemos acelerado |
| Vosotros / as | hubierais acelerado / hubieseis acelerado |
| Ellos / Ellas / Ustedes | hubieran acelerado / hubiesen acelerado |
| Vos | hubieras acelerado / hubieses acelerado |
| Pronoun | Spanish |
|---|---|
| Yo | hubiere acelerado |
| Tú | hubieres acelerado |
| Él / Ella / Usted | hubiere acelerado |
| Nosotros / as | hubiéremos acelerado |
| Vosotros / as | hubiereis acelerado |
| Ellos / Ellas / Ustedes | hubieren acelerado |
| Vos | hubieres acelerado |
| Pronoun | Spanish |
|---|---|
| Yo | esté acelerando |
| Tú | estés acelerando |
| Él / Ella / Usted | esté acelerando |
| Nosotros / as | estemos acelerando |
| Vosotros / as | estéis acelerando |
| Ellos / Ellas / Ustedes | estén acelerando |
| Vos | estés acelerando |
| Pronoun | Spanish |
|---|---|
| Yo | estuviera acelerando / estuviese acelerando |
| Tú | estuvieras acelerando / estuvieses acelerando |
| Él / Ella / Usted | estuviera acelerando / estuviese acelerando |
| Nosotros / as | estuviéramos acelerando / estuviésamos acelerando |
| Vosotros / as | estuvierais acelerando / estuvieseis acelerando |
| Ellos / Ellas / Ustedes | estuviera acelerando / estuviese acelerando |
| Vos | estuvieras acelerando / estuvieses acelerando |
| Pronoun | Spanish |
|---|---|
| Yo | estuviere acelerando |
| Tú | estuvieres acelerando |
| Él / Ella / Usted | estuviere acelerando |
| Nosotros / as | estuviéremos acelerando |
| Vosotros / as | estuviereis acelerando |
| Ellos / Ellas / Ustedes | estuviere acelerando |
| Vos | estuvieres acelerando |
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 acelerás |
| Simle Past / Preterite Preterite de Indicativo | Vos aceleraste |
| Imperfect Past Preterite Imperfecto de Indicativo | Vos acelerabas |
| Conditional Condicional | Vos acelerarías |
| Future Futuro de Indicativo | Vos acelerarás |
| Present Subjunctive Presente de Subjunctivo | Vos aceleres |
| Imperfect Subjunctive Imperfecto de Subjunctivo | Vos aceleraras / Vos acelerase |
| Affirmative Imperative Imperativo | Vos acelerá |
| Negative Imperative Imperativo Negativo | Vos no aceleres |