Deducir conjugation chart
Deducir present tense
presente · I speak
| yo | I deduce | |
|---|---|---|
| tú | you deduce | |
| vos | you deduce | |
| él, ella, usted | he/she deduces | |
| nosotros | we deduce | |
| vosotros | you all deduce | |
| ellos, ellas, ustedes | they deduce |
Irregular only in the yo form, deduzco; the rest has the same endings as vivir.
Deducir preterite
pretérito · I spoke
| yo | I deduced | |
|---|---|---|
| tú | you deduced | |
| vos | you deduced | |
| él, ella, usted | he/she deduced | |
| nosotros | we deduced | |
| vosotros | you all deduced | |
| ellos, ellas, ustedes | they deduced |
Irregular stem deduj- + -e, -iste, -o, -imos, -isteis, -eron, with no accent marks.
Deducir imperfect
pretérito imperfecto · I used to speak
| yo | I used to deduce | |
|---|---|---|
| tú | you used to deduce | |
| vos | you used to deduce | |
| él, ella, usted | he/she used to deduce | |
| nosotros | we used to deduce | |
| vosotros | you all used to deduce | |
| ellos, ellas, ustedes | they used to deduce |
Regular: same endings as vivir.
Deducir future
futuro · I will speak
| yo | I will deduce | |
|---|---|---|
| tú | you will deduce | |
| vos | you will deduce | |
| él, ella, usted | he/she will deduce | |
| nosotros | we will deduce | |
| vosotros | you all will deduce | |
| ellos, ellas, ustedes | they will deduce |
Regular: same endings as vivir.
Deducir conditional
condicional · I would speak
| yo | I would deduce | |
|---|---|---|
| tú | you would deduce | |
| vos | you would deduce | |
| él, ella, usted | he/she would deduce | |
| nosotros | we would deduce | |
| vosotros | you all would deduce | |
| ellos, ellas, ustedes | they would deduce |
Regular: same endings as vivir.
Deducir present subjunctive
presente de subjuntivo · that I speak
| yo | that I deduce | |
|---|---|---|
| tú | that you deduce | |
| vos | that you deduce | |
| él, ella, usted | that he/she deduce | |
| nosotros | that we deduce | |
| vosotros | that you all deduce | |
| ellos, ellas, ustedes | that they deduce |
Irregular stem deduzc- (from the yo form deduzco) + -a, -as, -amos, -áis, -an.
Deducir imperfect subjunctive
imperfecto de subjuntivo · if I spoke
| yo | if I deduced | |
|---|---|---|
| tú | if you deduced | |
| vos | if you deduced | |
| él, ella, usted | if he/she deduced | |
| nosotros | if we deduced | |
| vosotros | if you all deduced | |
| ellos, ellas, ustedes | if they deduced |
Irregular stem deduj- + -era, -eras, -éramos, -erais, -eran.
In the subjunctive, vos takes the same form as tú in careful speech. The imperfect subjunctive also has an -se form (dedujese), more common in writing.
Deducir affirmative commands
imperativo · speak!
| tú | deduce! | |
|---|---|---|
| vos | deduce! | |
| usted | deduce! | |
| nosotros | let's deduce! | |
| vosotros | deduce! | |
| ustedes | deduce! |
The tú form is the él form of the present: deduce. Usted, nosotros and ustedes come from the present subjunctive (deduzca, deduzcamos, deduzcan).
Deducir negative commands
imperativo negativo · don't speak!
| tú | don't deduce! | |
|---|---|---|
| vos | don't deduce! | |
| usted | don't deduce! | |
| nosotros | let's not deduce! | |
| vosotros | don't deduce! | |
| ustedes | don't deduce! |
Built from the present subjunctive: no + deduzcas, deduzca…
Always the verb haber + the past participle deducido, which never changes.
Deducir present perfect
pretérito perfecto · I have spoken
| yo | he deducido |
|---|---|
| tú | has deducido |
| vos | has deducido |
| él, ella, usted | ha deducido |
| nosotros | hemos deducido |
| vosotros | habéis deducido |
| ellos, ellas, ustedes | han deducido |
Deducir pluperfect
pluscuamperfecto · I had spoken
| yo | había deducido |
|---|---|
| tú | habías deducido |
| vos | habías deducido |
| él, ella, usted | había deducido |
| nosotros | habíamos deducido |
| vosotros | habíais deducido |
| ellos, ellas, ustedes | habían deducido |
Deducir future perfect
futuro perfecto · I will have spoken
| yo | habré deducido |
|---|---|
| tú | habrás deducido |
| vos | habrás deducido |
| él, ella, usted | habrá deducido |
| nosotros | habremos deducido |
| vosotros | habréis deducido |
| ellos, ellas, ustedes | habrán deducido |
Deducir conditional perfect
condicional perfecto · I would have spoken
| yo | habría deducido |
|---|---|
| tú | habrías deducido |
| vos | habrías deducido |
| él, ella, usted | habría deducido |
| nosotros | habríamos deducido |
| vosotros | habríais deducido |
| ellos, ellas, ustedes | habrían deducido |
Deducir present perfect subjunctive
pretérito perfecto de subjuntivo · that I have spoken
| yo | haya deducido |
|---|---|
| tú | hayas deducido |
| vos | hayas deducido |
| él, ella, usted | haya deducido |
| nosotros | hayamos deducido |
| vosotros | hayáis deducido |
| ellos, ellas, ustedes | hayan deducido |
In Latin America, ustedes is the only “you all”; vosotros is used only in Spain. Vos is used in Argentina, Uruguay and much of Central America. Uncheck the boxes above to hide what you don’t need.
Practice deducir
Type the right form and press Enter. A missing accent still counts, but I'll point it out.
Verbs like deducir
Yo-zco verbs (deducir → deduzco). Same pattern:
Irregular preterite (deducir → deduje). Same pattern:
estar estuvehaber hubetener tuvehacer hicepoder pudedecir dijesaber supequerer quise