Ella VerbsHow to conjugate Concentrar in Spanish
concentrar to concentrate, to focus, to assemble Regular AR Verb
At a glance: Concentrar (to concentrate, to focus, to assemble) is a regular -AR verb in Spanish. In the present tense: concentro, concentras, concentra, concentramos, concentráis, concentran. Because it is fully regular, its endings apply directly to hundreds of other -AR verbs.
- Past participle
- concentrado concentrated
- Gerund
- concentrando concentrating
- Similar
- armar, centrar, concentrarse, enfocar
Table of contents
- Indicative tenses of Concentrar
- Concentrar in the Indicative Present
- Concentrar in the Indicative Preterite
- Concentrar in the Indicative Imperfect
- Concentrar in the Indicative Present Continuous
- Concentrar in the Indicative Informal Future
- Concentrar in the Indicative Future
- Concentrar in the Indicative Conditional
- Concentrar in the Indicative Present Perfect
- Concentrar in the Indicative Past Perfect
- Concentrar in the Indicative Future Perfect
- Concentrar in the Indicative Conditional Perfect
- Subjunctive tenses of Concentrar
- Imperative tenses of Concentrar
- Verbs that follow the same patterns
- Frequently asked questions
- Downloadable cheat sheet (PDF)
- Practise Concentrar conjugations (free mobile app)
Concentrar conjugation tables as a PDF
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Indicative tenses of Concentrar
Concentrar in the Indicative Present
The Indicative Present of concentrar 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, “concentro”, meaning “I concentrate”.
In Spanish, the Indicative Present is known as "El Presente".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | concentro | I concentrate |
| Tú | concentras | you concentrate |
| Ella / Él / Usted | concentra | s/he concentrates |
| Nosotras / Nosotros | concentramos | we concentrate |
| Vosotras / Vosotros | concentráis | you (plural) concentrate |
| Ellas / Ellos / Ustedes | concentran | they concentrate |
How it’s built: Regular: stem concentr- plus the -ar endings.
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Concentrar in the Indicative Preterite
The Indicative Preterite of concentrar is used to talk about actions completed in the past, at a specific point in time. For example, “concentré”, meaning “I concentrated”.
In Spanish, the Indicative Preterite is known as "El Pretérito Indefinido".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | concentré | I concentrated |
| Tú | concentraste | you concentrated |
| Ella / Él / Usted | concentró | s/he concentrated |
| Nosotras / Nosotros | concentramos | we concentrated |
| Vosotras / Vosotros | concentrasteis | you (plural) concentrated |
| Ellas / Ellos / Ustedes | concentraron | they concentrated |
How it’s built: Regular: stem concentr- plus the -ar endings.
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Concentrar in the Indicative Imperfect
The Indicative Imperfect of concentrar is used to describe regular and repeated actions that happened in the past and descriptions of things you used to do. For example, “concentraba”, meaning “I used to concentrate”.
In Spanish, the Indicative Imperfect is known as "El Pretérito Imperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | concentraba | I used to concentrate |
| Tú | concentrabas | you used to concentrate |
| Ella / Él / Usted | concentraba | s/he used to concentrate |
| Nosotras / Nosotros | concentrábamos | we used to concentrate |
| Vosotras / Vosotros | concentrabais | you (plural) used to concentrate |
| Ellas / Ellos / Ustedes | concentraban | they used to concentrate |
How it’s built: Regular: stem concentr- plus the -ar endings.
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Concentrar in the Indicative Present Continuous
The Indicative Present Continuous of concentrar is used to talk about something that is happening continuously or right now. For example, “estoy concentrando”, meaning “I am concentrating”.
In Spanish, the Indicative Present Continuous is known as "El Presente Progresivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | estoy concentrando | I am concentrating |
| Tú | estás concentrando | you are concentrating |
| Ella / Él / Usted | está concentrando | s/he is concentrating |
| Nosotras / Nosotros | estamos concentrando | we are concentrating |
| Vosotras / Vosotros | estáis concentrando | you (plural) are concentrating |
| Ellas / Ellos / Ustedes | están concentrando | they are concentrating |
How it’s built: Estar in the present (estoy, estás, está, estamos, estáis, están) plus the gerund concentrando.
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Concentrar in the Indicative Informal Future
The Indicative Informal Future of concentrar is used to talk about something that will happen in the future, especially in the near future. For example, “voy a concentrar”, meaning “I am going to concentrate”.
In Spanish, the Indicative Informal Future is known as "El Futuro Próximo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | voy a concentrar | I am going to concentrate |
| Tú | vas a concentrar | you are going to concentrate |
| Ella / Él / Usted | va a concentrar | s/he is going to concentrate |
| Nosotras / Nosotros | vamos a concentrar | we are going to concentrate |
| Vosotras / Vosotros | vais a concentrar | you (plural) are going to concentrate |
| Ellas / Ellos / Ustedes | van a concentrar | they are going to concentrate |
How it’s built: Ir in the present (voy, vas, va, vamos, vais, van), then a, then the infinitive concentrar.
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Concentrar in the Indicative Future
The Indicative Future of concentrar is used to talk about something that will happen in the future. For example, “concentraré”, meaning “I will concentrate”.
In Spanish, the Indicative Future is known as "El Futuro Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | concentraré | I will concentrate |
| Tú | concentrarás | you will concentrate |
| Ella / Él / Usted | concentrará | s/he will concentrate |
| Nosotras / Nosotros | concentraremos | we will concentrate |
| Vosotras / Vosotros | concentraréis | you (plural) will concentrate |
| Ellas / Ellos / Ustedes | concentrarán | they will concentrate |
How it’s built: Regular: the infinitive concentrar plus the future endings.
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Concentrar in the Indicative Conditional
The Indicative Conditional of concentrar is used to talk about something that may happen in the future, hypothesis and probabilities. For example, “concentraría”, meaning “I would concentrate”.
In Spanish, the Indicative Conditional is known as "El Condicional Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | concentraría | I would concentrate |
| Tú | concentrarías | you would concentrate |
| Ella / Él / Usted | concentraría | s/he would concentrate |
| Nosotras / Nosotros | concentraríamos | we would concentrate |
| Vosotras / Vosotros | concentraríais | you (plural) would concentrate |
| Ellas / Ellos / Ustedes | concentrarían | they would concentrate |
How it’s built: Regular: the infinitive concentrar plus the conditional endings.
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Concentrar in the Indicative Present Perfect
The Indicative Present Perfect of concentrar 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, “he concentrado”, meaning “I have concentrated”.
In Spanish, the Indicative Present Perfect is known as "El Pretérito Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | he concentrado | I have concentrated |
| Tú | has concentrado | you have concentrated |
| Ella / Él / Usted | ha concentrado | s/he has concentrated |
| Nosotras / Nosotros | hemos concentrado | we have concentrated |
| Vosotras / Vosotros | habéis concentrado | you (plural) have concentrated |
| Ellas / Ellos / Ustedes | han concentrado | they have concentrated |
How it’s built: Haber in the present (he, has, ha, hemos, habéis, han) plus the past participle concentrado.
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Concentrar in the Indicative Past Perfect
The Indicative Past Perfect of concentrar is used to talk about actions that happened before another action in the past. For example, “había concentrado”, meaning “I had concentrated”.
In Spanish, the Indicative Past Perfect is known as "El Pretérito Pluscuamperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | había concentrado | I had concentrated |
| Tú | habías concentrado | you had concentrated |
| Ella / Él / Usted | había concentrado | s/he had concentrated |
| Nosotras / Nosotros | habíamos concentrado | we had concentrated |
| Vosotras / Vosotros | habíais concentrado | you (plural) had concentrated |
| Ellas / Ellos / Ustedes | habían concentrado | they had concentrated |
How it’s built: Haber in the imperfect (había, habías, había, habíamos, habíais, habían) plus the past participle concentrado.
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Concentrar in the Indicative Future Perfect
The Indicative Future Perfect of concentrar is used to talk about something that will have happened in the future after something else has already happened. For example, “habré concentrado”, meaning “I will have concentrated”.
In Spanish, the Indicative Future Perfect is known as "El Futuro Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | habré concentrado | I will have concentrated |
| Tú | habrás concentrado | you will have concentrated |
| Ella / Él / Usted | habrá concentrado | s/he will have concentrated |
| Nosotras / Nosotros | habremos concentrado | we will have concentrated |
| Vosotras / Vosotros | habréis concentrado | you (plural) will have concentrated |
| Ellas / Ellos / Ustedes | habrán concentrado | they will have concentrated |
How it’s built: Haber in the future (habré, habrás, habrá, habremos, habréis, habrán) plus the past participle concentrado.
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Concentrar in the Indicative Conditional Perfect
The Indicative Conditional Perfect of concentrar is used to talk about something that would have happened in the past but didn’t due to another action. For example, “habría concentrado”, meaning “I would have concentrated”.
In Spanish, the Indicative Conditional Perfect is known as "El Condicional Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | habría concentrado | I would have concentrated |
| Tú | habrías concentrado | you would have concentrated |
| Ella / Él / Usted | habría concentrado | s/he would have concentrated |
| Nosotras / Nosotros | habríamos concentrado | we would have concentrated |
| Vosotras / Vosotros | habríais concentrado | you (plural) would have concentrated |
| Ellas / Ellos / Ustedes | habrían concentrado | they would have concentrated |
How it’s built: Haber in the conditional (habría, habrías, habría, habríamos, habríais, habrían) plus the past participle concentrado.
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Subjunctive tenses of Concentrar
Concentrar 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, “concentre”, meaning “I concentrate”.
In Spanish, the Subjunctive Present is known as "El Presente de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | concentre | I concentrate |
| Tú | concentres | you concentrate |
| Ella / Él / Usted | concentre | s/he concentrates |
| Nosotras / Nosotros | concentremos | we concentrate |
| Vosotras / Vosotros | concentréis | you (plural) concentrate |
| Ellas / Ellos / Ustedes | concentren | they concentrate |
How it’s built: Regular: stem concentr- plus the -ar subjunctive endings.
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Concentrar 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, “concentrara”, meaning “I concentrated”.
In Spanish, the Subjunctive Imperfect is known as "El Imperfecto Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | concentrara | I concentrated |
| Tú | concentraras | you concentrated |
| Ella / Él / Usted | concentrara | s/he concentrated |
| Nosotras / Nosotros | concentráramos | we concentrated |
| Vosotras / Vosotros | concentrarais | you (plural) concentrated |
| Ellas / Ellos / Ustedes | concentraran | they concentrated |
How it’s built: Regular: the ellas/ellos preterite, concentraron, without -ron, plus the -ra endings; nosotros adds an accent (concentráramos).
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Concentrar 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, “concentrare”, meaning “I will concentrate”.
In Spanish, the Subjunctive Future is known as "El Futuro de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | concentrare | I will concentrate |
| Tú | concentrares | you will concentrate |
| Ella / Él / Usted | concentrare | s/he will concentrate |
| Nosotras / Nosotros | concentráremos | we will concentrate |
| Vosotras / Vosotros | concentrareis | you (plural) will concentrate |
| Ellas / Ellos / Ustedes | concentraren | they will concentrate |
How it’s built: Regular: the ellas/ellos preterite, concentraron, without -ron, plus the -re endings; nosotros adds an accent (concentráremos).
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Concentrar 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, “haya concentrado”, meaning “I have concentrated”.
In Spanish, the Subjunctive Present Perfect is known as "El Pretérito Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | haya concentrado | I have concentrated |
| Tú | hayas concentrado | you have concentrated |
| Ella / Él / Usted | haya concentrado | s/he has concentrated |
| Nosotras / Nosotros | hayamos concentrado | we have concentrated |
| Vosotras / Vosotros | hayáis concentrado | you (plural) have concentrated |
| Ellas / Ellos / Ustedes | hayan concentrado | they have concentrated |
How it’s built: Haber in the subjunctive present (haya, hayas, haya, hayamos, hayáis, hayan) plus the past participle concentrado.
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Concentrar 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, “hubiera concentrado”, meaning “I had concentrated”.
In Spanish, the Subjunctive Past Perfect is known as "El Pretérito Pluscuamperfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | hubiera concentrado | I had concentrated |
| Tú | hubieras concentrado | you had concentrated |
| Ella / Él / Usted | hubiera concentrado | s/he had concentrated |
| Nosotras / Nosotros | hubiéramos concentrado | we had concentrated |
| Vosotras / Vosotros | hubierais concentrado | you (plural) had concentrated |
| Ellas / Ellos / Ustedes | hubieran concentrado | they had concentrated |
How it’s built: Haber in the subjunctive imperfect (hubiera, hubieras, hubiera, hubiéramos, hubierais, hubieran) plus the past participle concentrado.
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Concentrar 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, “hubiere concentrado”, meaning “I will have concentrated”.
In Spanish, the Subjunctive Future Perfect is known as "El Futuro Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | hubiere concentrado | I will have concentrated |
| Tú | hubieres concentrado | you will have concentrated |
| Ella / Él / Usted | hubiere concentrado | s/he will have concentrated |
| Nosotras / Nosotros | hubiéremos concentrado | we will have concentrated |
| Vosotras / Vosotros | hubiereis concentrado | you (plural) will have concentrated |
| Ellas / Ellos / Ustedes | hubieren concentrado | they will have concentrated |
How it’s built: Haber in the subjunctive future (hubiere, hubieres, hubiere, hubiéremos, hubiereis, hubieren) plus the past participle concentrado.
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Imperative tenses of Concentrar
Concentrar in the Imperative Affirmative
The Imperative Affirmative is used to give orders and commands, to tell someone to do something. For example, “concentre”, meaning “(to you formal) concentrate!”.
In Spanish, the Imperative Affirmative is known as "El Imperativo Afirmativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | concentra | (to you) concentrate! |
| Ella / Él / Usted | concentre | (to you formal) concentrate! |
| Nosotras / Nosotros | concentremos | let's concentrate! |
| Vosotras / Vosotros | concentrad | (to you plural) concentrate! |
| Ellas / Ellos / Ustedes | concentren | (to you plural formal) concentrate! |
How it’s built: Tú takes the ella/él present (concentra); usted, nosotros and ustedes take the subjunctive present (concentre, concentremos, concentren); vosotros swaps the final r of the infinitive for a d (concentrad).
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Concentrar in the Imperative Negative
The Imperative Negative is used to give orders and commands, telling someone not to do something. For example, “no concentre”, meaning “(to you formal) don't concentrate!”.
In Spanish, the Imperative Negative is known as "El Imperativo Negativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | no concentres | (to you) don't concentrate! |
| Ella / Él / Usted | no concentre | (to you formal) don't concentrate! |
| Nosotras / Nosotros | no concentremos | let's not concentrate! |
| Vosotras / Vosotros | no concentréis | (to you plural) don't concentrate! |
| Ellas / Ellos / Ustedes | no concentren | (to you plural formal) don't concentrate! |
How it’s built: No plus the subjunctive present: no concentres, no concentre, no concentremos, no concentréis, no concentren.
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Frequently asked questions about Concentrar
Is concentrar a regular or irregular verb?
Concentrar is a fully regular -AR verb. It follows the standard -AR 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 -AR conjugation system.
How do you conjugate concentrar in the present tense (presente)?
In the present tense (presente), concentrar is conjugated as: yo concentro, tú concentras, él/ella/usted concentra, nosotros concentramos, vosotros concentráis, ellos/ellas/ustedes concentran. 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 concentrar in the preterite (pretérito indefinido)?
In the preterite (pretérito indefinido), concentrar is conjugated as: yo concentré, tú concentraste, él/ella/usted concentró, nosotros concentramos, vosotros concentrasteis, ellos/ellas/ustedes concentraron. The preterite is used To talk about actions completed in the past, at a specific point in time.
How do you conjugate concentrar in the imperfect (pretérito imperfecto)?
In the imperfect (pretérito imperfecto), concentrar is conjugated as: yo concentraba, tú concentrabas, él/ella/usted concentraba, nosotros concentrábamos, vosotros concentrabais, ellos/ellas/ustedes concentraban. 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 concentrar in the future tense (futuro simple)?
In the future tense (futuro simple), concentrar is conjugated as: yo concentraré, tú concentrarás, él/ella/usted concentrará, nosotros concentraremos, vosotros concentraréis, ellos/ellas/ustedes concentrarán. The future tense is used To talk about something that will happen in the future.
How do you conjugate concentrar in the present subjunctive (subjuntivo presente)?
In the present subjunctive (subjuntivo presente), concentrar is conjugated as: yo concentre, tú concentres, él/ella/usted concentre, nosotros concentremos, vosotros concentréis, ellos/ellas/ustedes concentren. 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 concentrar and concentrarse?
Concentrar means ‘to concentrate, to focus, to assemble’ and concentrarse means ‘to concentrate, to focus’. Concentrarse is the reflexive form of concentrar, 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 concentro becomes me concentro. In the affirmative tú imperative the pronoun attaches to the end of the verb, so concentra becomes concéntrate.
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Downloadable cheat sheets
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Want to explore other verb conjugations?
Why not check out Concentrarse – to concentrate, to focus or see the complete list of verbs here.
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