Ser conjugation - To be - identity, trait - Irregular verb

Oct 12, 2026

Ser conjugation presents the irregular Spanish verb “ser” (to be), covering indicative, subjunctive, and imperative forms. It lists subject-by-subject patterns for present, preterite, imperfect, future, and conditional, then extends to present perfect, past perfect, future perfect, and conditional perfect. The material also provides notes on red-highlighted deviations, plus past participle and gerund forms, alongside brief practice guidance and app-based quizzes to identify common slips.

LanguageEnglish

CategoryGeneral

FormatPDF

Pages2

Reading Time1 min

AccessFree to download

Indicative tenses

Present, preterite, imperfect, future, conditional

Present perfect, past perfect, future perfect, conditional perfect

Subjunctive tenses

Present, imperfect, future

Present perfect, past perfect, future perfect

Imperative

Past participle and gerund

Ser conjugation to be (identity, trait) IRREGULAR VERB TOP 100 Indicative tenses | PRONOUN | PRESENT | PRETERITE | IMPERFECT | FUTURE | CONDITIONAL | | --- | --- | --- | --- | --- | --- | | Yo | soy | fui | era | seré | sería | | I | I am | I was | I used to be | I will be | I would be | | Tú | eres | fuiste | eras | serás | serías | | You | you are | you were | you used to be | you will be | you would be | | Ella / Él / Ud | es | fue | era | será | sería | | She/he/you (fml) | s/he is | s/he was | s/he used to be | s/he will be | s/he would be | | Nosotras/os | somos | fuimos | éramos | seremos | seríamos | | We | we are | we were | we used to be | we will be | we would be | | Vosotras/os | sois | fuisteis | erais | seréis | seríais | | You (pl) | you (pl) are | you (pl) were | you (pl) used to be | you (pl) will be | you (pl) would be | | Ellas/os / Uds | son | fueron | eran | serán | serían | | They/you (pl fml) | they are | they were | they used to be | they will be | they would be | | PRONOUN | PRESENT PERFECT | PAST PERFECT | FUTURE PERFECT | CONDITIONAL PERFECT | | | --- | --- | --- | --- | --- | --- | | Yo | he sido | había sido | habré sido | habría sido | | | I | I have been | I had been | I will have been | I would have been | | | Tú | has sido | habías sido | habrás sido | habrías sido | | | You | you have been | you had been | you will have been | you would have been | | | Ella / Él / Ud | ha sido | había sido | habrá sido | habría sido | | | She/he/you (fml) | s/he has been | s/he had been | s/he will have been | s/he would have been | | | Nosotras/os | hemos sido | habíamos sido | habremos sido | habríamos sido | | | We | we have been | we had been | we will have been | we would have been | | | Vosotras/os | habéis sido | habíais sido | habréis sido | habríais sido | | | You (pl) | you (pl) have been | you (pl) had been | you (pl) will have been | you (pl) would have been | | | Ellas/os / Uds | han sido | habían sido | habrán sido | habrían sido | | | They/you (pl fml) | they have been | they had been | they will have been | they would have been | | Letters in red show where a form differs from the regular pattern. Practise ser in the Ella Verbs app Every tense of ser, the steps behind each form and quizzes that show where you slip. Plus 2,500+ other verbs. Page 1 of 2 [ellaverbs.com/spanish-verbs/ser-conjugation](ellaverbs.com/spanish-verbs/ser-conjugation) Subjunctive tenses | PRONOUN | PRESENT | IMPERFECT | FUTURE | | | --- | --- | --- | --- | --- | | Yo | sea | fuera | fuere | | | I | I am | I were | I will be | | | Tú | seas | fueras | fueres | | | You | you are | you were | you will be | | | Ella / Él / Ud | sea | fuera | fuere | | | She/he/you (fml) | s/he is | s/he were | s/he will be | | | Nosotras/os | seamos | fuéramos | fuéremos | | | We | we are | we were | we will be | | | Vosotras/os | seáis | fuerais | fuereis | | | You (pl) | you (pl) are | you (pl) were | you (pl) will be | | | Ellas/os / Uds | sean | fueran | fueren | | | They/you (pl fml) | they are | they were | they will be | | | PRONOUN | PRESENT PERFECT | PAST PERFECT | FUTURE PERFECT | | | --- | --- | --- | --- | --- | | Yo | haya sido | hubiera sido | hubiere sido | | | I | I have been | I had been | I will have been | | | Tú | hayas sido | hubieras sido | hubieres sido | | | You | you have been | you had been | you will have been | | | Ella / Él / Ud | haya sido | hubiera sido | hubiere sido | | | She/he/you (fml) | s/he has been | s/he had been | s/he will have been | | | Nosotras/os | hayamos sido | hubiéramos sido | hubiéremos sido | | | We | we have been | we had been | we will have been | | | Vosotras/os | hayáis sido | hubierais sido | hubiereis sido | | | You (pl) | you (pl) have been | you (pl) had been | you (pl) will have been | | | Ellas/os / Uds | hayan sido | hubieran sido | hubieren sido | | | They/you (pl fml) | they have been | they had been | they will hav

FAQs

What are the indicative tenses covered for ser?

The document lists present, preterite, imperfect, future, and conditional, and also present perfect, past perfect, future perfect, and conditional perfect.

Does the guide include subjunctive forms for ser?

Yes. It provides subjunctive present, imperfect, and future, plus subjunctive perfect forms such as present perfect, past perfect, and future perfect.

What are the past participle and gerund forms of ser?

The past participle is “sido” (shown as “been” in the table), and the gerund is “siendo.”

Oct 12, 2026

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