Impersonal forms:
Infinitive (infinitivo): saber (to know)
Gerund (gerundio): sabiendo (knowing)
Participle (participio): sabido (known)
Gerund (gerundio): sabiendo (knowing)
Participle (participio): sabido (known)
Present indicative (presente del indicativo):
yo sé (I know), tú sabes (you know), usted/él/ella sabe (you know, he/she knows), nosotros/as sabemos (we know), vosotros/as sabéis (you know), ustedes/ellos/ellas saben (you/they know)
Preterite (pretérito):
yo supe (I knew), tú supiste (you knew), usted/él/ella supo (you, he/she knew), nosotros/as supimos (we knew), vosotros/as supisteis (you knew), ustedes/ellos/ellas supieron (they knew)
Imperfect indicative (imperfecto del indicativo):
yo sabía (I knew), tú sabías (you knew), usted/él/ella sabía (you/he/she knew), nosotros/as sabíamos (we knew), vosotros/as sabíais (you knew), ustedes/ellos/ellas sabían (you/they knew)
Future (futuro):
yo sabré (I will know), tú sabrás (you will know), usted/él/ella sabrá (you/he/she will know), nosotros/as sabremos (we will know), vosotros/as sabréis (you will know), ustedes/ellos/ellas sabrán (they will know)
Conditional (condicional):
yo sabría (I would know), tú sabrías (you would know), usted/él/ella sabría (you/he/she would know), nosotros/as sabríamos (we would know), vosotros/as sabríais (you would know), ustedes/ellos/ellas sabrían (you/they would know)
Present subjunctive (presente del subjuntivo):
que yo sepa (that I know), que tú sepas (that you know), que usted/él/ella sepa (that you/he/she know), que nosotros/as sepamos (that we know), que vosotros/as sepáis (that you know), que ustedes/ellos/ellas sepan (that you/they know)
Imperative (imperativo):
sabe tú (know), no sepas tú (don't know), sepa usted (know), sepamos nosotros/as (let us know), sabed vosotro/s (know), no sepáis vosotros/as (don't know), sepan ustedes (know)
Imperfect subjunctive (imperfecto del subjuntivo):
que yo supiera/supiese (that I knew), que tú supieras/supieses (that you knew), que usted/él/ella supiera/supiese (that you/he/she knew), que nosotros/as supiéramos/supiésemos (that we knew), que vosotros/as supierais/supieseis (that you knew), que ustedes/ellos/ellas supieran/supiesen (that you/they knew)
Notes:
The above listings provide the conjugation for saber, a verb that usually is translated as "to know." The English translations in parentheses are a guide only, as in many cases other translations are possible. This conjugation list does not include the perfect tenses, which can be formed by adding the past participle (sabido) to a conjugated form of haber, nor the progressive tenses, which are formed by adding the gerund (sabiendo) to a conjugated form of estar. Irregular conjugational forms are shown in boldface. Spanish pronouns are shown for convenience and clarity; they often are omitted in everyday speech and writing.
