costar
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Encontrar changes o to ue when the stem is stressed: encuentro, encuentras, encuentra, encontramos, encontráis, encuentran. This is the standard o→ue 'boot' for -ar verbs. Similar: costar, volar, s...
Conjugation
View endings (Guide)Modo
Indicativo
Indicative
Tiempo
Presente
Present Indicative
Click a tense to switch
Indicativo — Indicative
Subjuntivo — Subjunctive
Imperativo — Imperative
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 — costar
- Infinitivo compuesto — haber costado
- Gerundio — costando
- Gerundio compuesto — habiendo costado
- Participio — costado
Recommended next Try Present Subjunctive →
Key forms
yo
cuesto
tú
cuestas
él/ella
cuesta
Use the present perfect for past actions that have a connection to the present or recent past.
Key forms
yo
he costado
tú
has costado
él/ella
ha costado
Use the preterite to describe completed past actions with a clear beginning or end.
Key forms
yo
costé
tú
costaste
él/ella
costó
Use the imperfect to describe ongoing, habitual, or background actions in the past.
Key forms
yo
costaba
tú
costabas
él/ella
costaba
Use the pluperfect (pluscuamperfecto) for past actions completed before another past action.
Key forms
yo
había costado
tú
habías costado
él/ella
había costado
Use for past-before-past; mainly literary.
Key forms
yo
hube costado
tú
hubiste costado
él/ella
hubo costado
Use the future to express actions that will happen, predictions, or probability.
Key forms
yo
costaré
tú
costarás
él/ella
costará
Use the conditional for hypothetical situations, polite requests, or future in the past.
Key forms
yo
costaría
tú
costarías
él/ella
costaría
Use the future perfect for actions that will have been completed by a future time.
Key forms
yo
habré costado
tú
habrás costado
él/ella
habrá costado
Use the conditional perfect for hypothetical past actions or actions that would have been completed.
Key forms
yo
habría costado
tú
habrías costado
él/ella
habría costado
Use the present subjunctive for wishes, doubts, emotions, and after certain conjunctions.
Key forms
yo
cueste
tú
cuestes
él/ella
cueste
Use for past actions with present relevance in subjunctive contexts.
Key forms
yo
haya costado
tú
hayas costado
él/ella
haya costado
Use for hypothetical or reported past (e.g. Si viviera…).
Key forms
yo
costara (costase)
tú
costaras (costases)
él/ella
costara (costase)
Use for past-before-past in subjunctive contexts.
Key forms
yo
hubiera costado (hubiese costado)
tú
hubieras costado (hubieses costado)
él/ella
hubiera costado (hubiese costado)
Rare; legal/formal style.
Key forms
yo
costare
tú
costares
él/ella
costare
Rare; future perfect in subjunctive contexts.
Key forms
yo
hubiere costado
tú
hubieres costado
él/ella
hubiere costado
Affirmative imperative only. Negative imperative is available as a separate tense.
Key forms
yo
—
tú
cuesta
él/ella
cueste
Negative commands: use No + form (e.g. No hables.).
Key forms
yo
—
tú
cuestes
él/ella
cueste
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