introducir
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Producir has yo produzco (c→zc) and an irregular preterite: produje, produjiste, produjo, produjimos, produjeron. All -ducir verbs (conducir, traducir, reducir) follow this pattern.
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 — introducir
- Infinitivo compuesto — haber introducido
- Gerundio — introduciendo
- Gerundio compuesto — habiendo introducido
- Participio — introducido
Key forms
yo
introduzco
tú
introduces
él/ella
introduce
Use the present perfect for past actions that have a connection to the present or recent past.
Key forms
yo
he introducido
tú
has introducido
él/ella
ha introducido
Use the preterite to describe completed past actions with a clear beginning or end.
Key forms
yo
introduje
tú
introdujiste
él/ella
introdujo
Use the imperfect to describe ongoing, habitual, or background actions in the past.
Key forms
yo
introducía
tú
introducías
él/ella
introducía
Use the pluperfect (pluscuamperfecto) for past actions completed before another past action.
Key forms
yo
había introducido
tú
habías introducido
él/ella
había introducido
Use for past-before-past; mainly literary.
Key forms
yo
hube introducido
tú
hubiste introducido
él/ella
hubo introducido
Use the future to express actions that will happen, predictions, or probability.
Key forms
yo
introduciré
tú
introducirás
él/ella
introducirá
Use the conditional for hypothetical situations, polite requests, or future in the past.
Key forms
yo
introduciría
tú
introducirías
él/ella
introduciría
Use the future perfect for actions that will have been completed by a future time.
Key forms
yo
habré introducido
tú
habrás introducido
él/ella
habrá introducido
Use the conditional perfect for hypothetical past actions or actions that would have been completed.
Key forms
yo
habría introducido
tú
habrías introducido
él/ella
habría introducido
Use the present subjunctive for wishes, doubts, emotions, and after certain conjunctions.
Key forms
yo
introduzca
tú
introduzcas
él/ella
introduzca
Use for past actions with present relevance in subjunctive contexts.
Key forms
yo
haya introducido
tú
hayas introducido
él/ella
haya introducido
Use for hypothetical or reported past (e.g. Si viviera…).
Key forms
yo
introdujera
tú
introdujeras
él/ella
introdujera
Use for past-before-past in subjunctive contexts.
Key forms
yo
hubiera introducido (hubiese introducido)
tú
hubieras introducido (hubieses introducido)
él/ella
hubiera introducido (hubiese introducido)
Rare; legal/formal style.
Key forms
yo
introdujere
tú
introdujeres
él/ella
introdujere
Rare; future perfect in subjunctive contexts.
Key forms
yo
hubiere introducido
tú
hubieres introducido
él/ella
hubiere introducido
Affirmative imperative only. Negative imperative is available as a separate tense.
Key forms
yo
—
tú
introduce
él/ella
introduzca
Negative commands: use No + form (e.g. No hables.).
Key forms
yo
—
tú
introduzcas
él/ella
introduzca
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