concentrar
Practice-readyto concentrate
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The standard model for regular -ar verbs. Remove -ar and add the present endings: -o, -as, -a, -amos, -áis, -an. Thousands of verbs (hablar, trabajar, amar) conjugate like cortar.
Conjugation
View endings (Guide)Modo
Subjuntivo
Subjuntivo
Tiempo
Presente de subjuntivo
Presente de subjuntivo
Click a tense to switch
Indicativo — Indicativo
Subjuntivo — Subjuntivo
Imperativo — Imperativo
More tenses are rolling out over time. · Full tables for some supported tenses are visible with Pro.
Formas impersonales
These are the non‑finite verb forms used in combinations and constructions.
- Infinitivo — concentrar
- Infinitivo compuesto — haber concentrado
- Gerundio — concentrando
- Gerundio compuesto — habiendo concentrado
- Participio — concentrado
Key forms
yo
concentro
tú
concentras
él/ella
concentra
Use the present perfect for past actions that have a connection to the present or recent past.
Key forms
yo
he concentrado
tú
has concentrado
él/ella
ha concentrado
Use the preterite to describe completed past actions with a clear beginning or end.
Key forms
yo
concentré
tú
concentraste
él/ella
concentró
Use the imperfect to describe ongoing, habitual, or background actions in the past.
Key forms
yo
concentraba
tú
concentrabas
él/ella
concentraba
Use the pluperfect (pluscuamperfecto) for past actions completed before another past action.
Key forms
yo
había concentrado
tú
habías concentrado
él/ella
había concentrado
Use for past-before-past; mainly literary.
Key forms
yo
hube concentrado
tú
hubiste concentrado
él/ella
hubo concentrado
Use the future to express actions that will happen, predictions, or probability.
Key forms
yo
concentraré
tú
concentrarás
él/ella
concentrará
Use the conditional for hypothetical situations, polite requests, or future in the past.
Key forms
yo
concentraría
tú
concentrarías
él/ella
concentraría
Use the future perfect for actions that will have been completed by a future time.
Key forms
yo
habré concentrado
tú
habrás concentrado
él/ella
habrá concentrado
Use the conditional perfect for hypothetical past actions or actions that would have been completed.
Key forms
yo
habría concentrado
tú
habrías concentrado
él/ella
habría concentrado
Use the present subjunctive for wishes, doubts, emotions, and after certain conjunctions.
Key forms
yo
concentre
tú
concentres
él/ella
concentre
Use for past actions with present relevance in subjunctive contexts.
Key forms
yo
haya concentrado
tú
hayas concentrado
él/ella
haya concentrado
Use for hypothetical or reported past (e.g. Si viviera…).
Key forms
yo
concentrara (concentrase)
tú
concentraras (concentrases)
él/ella
concentrara (concentrase)
Use for past-before-past in subjunctive contexts.
Key forms
yo
hubiera concentrado (hubiese concentrado)
tú
hubieras concentrado (hubieses concentrado)
él/ella
hubiera concentrado (hubiese concentrado)
Rare; legal/formal style.
Key forms
yo
concentrare
tú
concentrares
él/ella
concentrare
Rare; future perfect in subjunctive contexts.
Key forms
yo
hubiere concentrado
tú
hubieres concentrado
él/ella
hubiere concentrado
Affirmative imperative only. Negative imperative is available as a separate tense.
Key forms
yo
—
tú
concentra
él/ella
concentre
Negative commands: use No + form (e.g. No hables.).
Key forms
yo
—
tú
concentres
él/ella
concentre
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