deber
Practice-readyto owe/must
Follows model
The standard model for regular -er verbs. Remove -er and add: -o, -es, -e, -emos, -éis, -en. Deber also means 'must' when followed by an infinitive (debo ir).
Conjugation
View endings (Guide)Modo
Indicativo
Indicativo
Tiempo
Presente
Presente
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 — deber
- Infinitivo compuesto — haber debido
- Gerundio — debiendo
- Gerundio compuesto — habiendo debido
- Participio — debido
Recommended next Try Present Subjunctive →
Key forms
yo
debo
tú
debes
él/ella
debe
Use the present perfect for past actions that have a connection to the present or recent past.
Key forms
yo
he debido
tú
has debido
él/ella
ha debido
Use the preterite to describe completed past actions with a clear beginning or end.
Key forms
yo
debí
tú
debiste
él/ella
debió
Use the imperfect to describe ongoing, habitual, or background actions in the past.
Key forms
yo
debía
tú
debías
él/ella
debía
Use the pluperfect (pluscuamperfecto) for past actions completed before another past action.
Key forms
yo
había debido
tú
habías debido
él/ella
había debido
Use for past-before-past; mainly literary.
Key forms
yo
hube debido
tú
hubiste debido
él/ella
hubo debido
Use the future to express actions that will happen, predictions, or probability.
Key forms
yo
deberé
tú
deberás
él/ella
deberá
Use the conditional for hypothetical situations, polite requests, or future in the past.
Key forms
yo
debería
tú
deberías
él/ella
debería
Use the future perfect for actions that will have been completed by a future time.
Key forms
yo
habré debido
tú
habrás debido
él/ella
habrá debido
Use the conditional perfect for hypothetical past actions or actions that would have been completed.
Key forms
yo
habría debido
tú
habrías debido
él/ella
habría debido
Use the present subjunctive for wishes, doubts, emotions, and after certain conjunctions.
Key forms
yo
deba
tú
debas
él/ella
deba
Use for past actions with present relevance in subjunctive contexts.
Key forms
yo
haya debido
tú
hayas debido
él/ella
haya debido
Use for hypothetical or reported past (e.g. Si viviera…).
Key forms
yo
debiera (debiese)
tú
debieras (debieses)
él/ella
debiera (debiese)
Use for past-before-past in subjunctive contexts.
Key forms
yo
hubiera debido (hubiese debido)
tú
hubieras debido (hubieses debido)
él/ella
hubiera debido (hubiese debido)
Rare; legal/formal style.
Key forms
yo
debiere
tú
debieres
él/ella
debiere
Rare; future perfect in subjunctive contexts.
Key forms
yo
hubiere debido
tú
hubieres debido
él/ella
hubiere debido
Affirmative imperative only. Negative imperative is available as a separate tense.
Key forms
yo
—
tú
debe
él/ella
deba
Negative commands: use No + form (e.g. No hables.).
Key forms
yo
—
tú
debas
él/ella
deba
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