-er verb irregular · irregular Beginner

ser — Subjunctive (Subjuntivo)

to be (essential/permanent)

The subjunctive conjugation of ser (irregular irregular, ranked #1). Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.

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Pronoun Subjunctive conjugation
yo sea *
seas *
él/ella/Ud. sea *
nosotros seamos *
vosotros seáis *
ellos/ellas/Uds. sean *

* Red forms deviate from the regular -er subjunctive pattern.

Example sentence

Es importante que seas puntual.

It is important that you be punctual.

Other tenses of ser

See full conjugation table for ser →

Related verbs

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