Learner note. Irregular verb; use for identity, characteristics, origin, time, not temporary states.
- Ella es doctora.She is a doctor.
- Nosotros éramos amigos de niños.We were friends as children.
stemending regular ending irr breaks the pattern · tap any form to hear it
Indicativo Indicative
PresentePresent
Presente of ser| yo | (irregular; regular pattern would give so) |
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| tú | (irregular; regular pattern would give ses) |
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| él/ella/usted | (irregular; regular pattern would give se) |
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| nosotros | (irregular; regular pattern would give semos) |
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| vosotros | (irregular; regular pattern would give séis) |
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| ellos/ellas/ustedes | (irregular; regular pattern would give sen) |
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Pretérito indefinidoPreterite
Pretérito indefinido of ser| yo | (irregular; regular pattern would give sí) |
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| tú | (irregular; regular pattern would give siste) |
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| él/ella/usted | (irregular; regular pattern would give sió) |
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| nosotros | (irregular; regular pattern would give simos) |
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| vosotros | (irregular; regular pattern would give sisteis) |
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| ellos/ellas/ustedes | (irregular; regular pattern would give sieron) |
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Pretérito imperfectoImperfect
Pretérito imperfecto of ser| yo | (irregular; regular pattern would give sía) |
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| tú | (irregular; regular pattern would give sías) |
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| él/ella/usted | (irregular; regular pattern would give sía) |
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| nosotros | (irregular; regular pattern would give síamos) |
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| vosotros | (irregular; regular pattern would give síais) |
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| ellos/ellas/ustedes | (irregular; regular pattern would give sían) |
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Futuro simpleFuture
Futuro simple of ser| yo | |
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| tú | |
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| él/ella/usted | |
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| nosotros | |
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| vosotros | |
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| ellos/ellas/ustedes | |
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Condicional simpleConditional
Condicional simple of ser| yo | |
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| tú | |
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| él/ella/usted | |
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| nosotros | |
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| vosotros | |
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| ellos/ellas/ustedes | |
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Pretérito perfectoPresent perfect
Pretérito perfecto of ser| yo | |
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| tú | |
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| él/ella/usted | |
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| nosotros | |
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| vosotros | |
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| ellos/ellas/ustedes | |
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Pretérito pluscuamperfectoPast perfect
Pretérito pluscuamperfecto of ser| yo | |
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| tú | |
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| él/ella/usted | |
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| nosotros | |
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| vosotros | |
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| ellos/ellas/ustedes | |
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Futuro perfectoFuture perfect
Futuro perfecto of ser| yo | |
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| tú | |
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| él/ella/usted | |
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| nosotros | |
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| vosotros | |
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| ellos/ellas/ustedes | |
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Condicional compuestoConditional perfect
Condicional compuesto of ser| yo | |
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| tú | |
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| él/ella/usted | |
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| nosotros | |
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| vosotros | |
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| ellos/ellas/ustedes | |
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Pretérito anteriorPreterite perfect (literary)
Pretérito anterior of ser| yo | |
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| tú | |
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| él/ella/usted | |
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| nosotros | |
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| vosotros | |
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| ellos/ellas/ustedes | |
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Subjuntivo Subjunctive
Presente de subjuntivoPresent subjunctive
Presente de subjuntivo of ser| yo | (irregular; regular pattern would give sa) |
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| tú | (irregular; regular pattern would give sas) |
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| él/ella/usted | (irregular; regular pattern would give sa) |
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| nosotros | (irregular; regular pattern would give samos) |
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| vosotros | (irregular; regular pattern would give sáis) |
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| ellos/ellas/ustedes | (irregular; regular pattern would give san) |
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Imperfecto de subjuntivo (-ra)Imperfect subjunctive (-ra)
Imperfecto de subjuntivo (-ra) of ser| yo | (irregular; regular pattern would give siera) |
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| tú | (irregular; regular pattern would give sieras) |
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| él/ella/usted | (irregular; regular pattern would give siera) |
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| nosotros | (irregular; regular pattern would give siéramos) |
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| vosotros | (irregular; regular pattern would give sierais) |
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| ellos/ellas/ustedes | (irregular; regular pattern would give sieran) |
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Imperfecto de subjuntivo (-se)Imperfect subjunctive (-se)
Imperfecto de subjuntivo (-se) of ser| yo | (irregular; regular pattern would give siese) |
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| tú | (irregular; regular pattern would give sieses) |
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| él/ella/usted | (irregular; regular pattern would give siese) |
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| nosotros | (irregular; regular pattern would give siésemos) |
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| vosotros | (irregular; regular pattern would give sieseis) |
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| ellos/ellas/ustedes | (irregular; regular pattern would give siesen) |
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Pretérito perfecto de subjuntivoPresent perfect subjunctive
Pretérito perfecto de subjuntivo of ser| yo | |
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| tú | |
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| él/ella/usted | |
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| nosotros | |
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| vosotros | |
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| ellos/ellas/ustedes | |
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Pluscuamperfecto de subjuntivoPast perfect subjunctive
Pluscuamperfecto de subjuntivo of ser| yo | |
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| tú | |
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| él/ella/usted | |
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| nosotros | |
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| vosotros | |
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| ellos/ellas/ustedes | |
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Futuro de subjuntivoFuture subjunctive (archaic)
Futuro de subjuntivo of ser| yo | (irregular; regular pattern would give siere) |
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| tú | (irregular; regular pattern would give sieres) |
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| él/ella/usted | (irregular; regular pattern would give siere) |
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| nosotros | (irregular; regular pattern would give siéremos) |
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| vosotros | (irregular; regular pattern would give siereis) |
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| ellos/ellas/ustedes | (irregular; regular pattern would give sieren) |
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Imperativo Imperative
Imperativo afirmativoAffirmative commands
Imperativo afirmativo of ser| tú | |
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| usted | |
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| nosotros | |
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| vosotros | |
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| ustedes | |
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Imperativo negativoNegative commands
Imperativo negativo of ser| tú | |
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| usted | |
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| nosotros | |
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| vosotros | |
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| ustedes | |
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Ser FAQ
How do you conjugate ser in the present tense?
Ser in the Spanish presente: yo soy, tú eres, él/ella/usted es, nosotros somos, vosotros sois, ellos/ellas/ustedes son.
What is the Pretérito indefinido of ser?
yo fui, tú fuiste, él/ella/usted fue, nosotros fuimos, vosotros fuisteis, ellos/ellas/ustedes fueron.
Is ser irregular?
Yes. Ser has irregular forms in 7 tenses; they are the forms on dark tiles in the tables above.
What does ser mean in English?
Ser means “to be (permanent state)”. The past participle is sido.