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Complete Conjugation Tables

Reference all tenses and moods

Indicative

Present

yo
sabes
él/ella/ustedsabe
nosotrossabemos
vosotrossabéis
ellos/ellas/ustedessaben

Saber is regular in the present tense except for the 'yo' form, which is the unique word 'sé'.

Future

yosabré
sabrás
él/ella/ustedsabrá
nosotrossabremos
vosotrossabréis
ellos/ellas/ustedessabrán

Saber uses the irregular stem 'sabr-' followed by standard future endings.

Imperfect

yosabía
sabías
él/ella/ustedsabía
nosotrossabíamos
vosotrossabíais
ellos/ellas/ustedessabían

The imperfect of saber is completely regular: sabía, sabías, sabía, sabíamos, sabíais, sabían.

Conditional

yosabría
sabrías
él/ella/ustedsabría
nosotrossabríamos
vosotrossabríais
ellos/ellas/ustedessabrían

The conditional uses the same irregular stem as the future: 'sabr-'.

Preterite

yosupe
supiste
él/ella/ustedsupo
nosotrossupimos
vosotrossupisteis
ellos/ellas/ustedessupieron

In the preterite, saber changes meaning to 'found out' or 'learned' and uses the irregular stem 'sup-'.

Imperative

Negative Imperative

no sepas
ustedno sepa
nosotrosno sepamos
vosotrosno sepáis
ustedesno sepan

All negative commands for saber use the present subjunctive forms preceded by 'no'.

Imperative

sabe
ustedsepa
nosotrossepamos
vosotrossabed
ustedessepan

The imperative of saber is rarely used alone but appears in phrases like 'Sabe que...' or 'Sepa usted...'.

Subjunctive

Present Subjunctive

yosepa
sepas
él/ella/ustedsepa
nosotrossepamos
vosotrossepáis
ellos/ellas/ustedessepan

The present subjunctive of saber is irregular: sepa, sepas, sepa, sepamos, sepáis, sepan.

Imperfect Subjunctive

yosupiera
supieras
él/ella/ustedsupiera
nosotrossupiéramos
vosotrossupierais
ellos/ellas/ustedessupieran

The imperfect subjunctive uses the preterite stem 'sup-': supiera, supieras, supiera...

Practice Conjugations

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Take saber from tables to real Spanish

Conjugation tables are the start. Read 200+ illustrated and narrated Spanish stories to see 'saber' in action across real sentences — and build the instinct that native speakers have.

Frequently Asked Questions

What does saber mean in Spanish?

saber means "to know".

Is saber a regular or irregular verb?

saber is a irregular -er verb in Spanish.

How do you conjugate saber in the present tense?

The present tense of saber is: yo sé, tú sabes, él/ella/usted sabe, nosotros sabemos, vosotros sabéis, ellos/ellas/ustedes saben.

How do you conjugate saber in the preterite (past tense)?

The preterite of saber is: yo supe, tú supiste, él/ella/usted supo, nosotros supimos, vosotros supisteis, ellos/ellas/ustedes supieron.

Free printable reference

saber conjugation cheat sheet

saber conjugation cheat sheet — present, preterite, imperfect, future and conditional forms