-er verb irregular · spelling-change C1 · Advanced

Conjugate poseer in Spanish

to possess, to own

poseer is an irregular -er verb ranked #2307 among the most common Spanish verbs. For example: "Posee una gran colección de arte." (He owns a large art collection.). Use the tables below for full conjugation across all 7 tenses.

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⚡ Irregular verb — poseer (spelling-change) does not follow standard -er patterns. Pay close attention to the stems in each tense.

Describes current actions, habits, and general truths. The most frequently used tense — master it first.

Pronoun Conjugation
yo poseo
posees
él/ella/Ud. posee
nosotros poseemos
vosotros poseéis
ellos/ellas/Uds. poseen
Example

Posee una gran colección de arte.

He owns a large art collection.

Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.

Pronoun Conjugation
yo poseí
poseíste *
él/ella/Ud. poseyó *
nosotros poseímos *
vosotros poseísteis *
ellos/ellas/Uds. poseyeron *
Example

Ayer yo poseí.

Yesterday I possess, to own.

Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.

Pronoun Conjugation
yo poseía
poseías
él/ella/Ud. poseía
nosotros poseíamos
vosotros poseíais
ellos/ellas/Uds. poseían
Example

Antes yo poseía con frecuencia.

Before, I used to possess, to own often.

Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.

Pronoun Conjugation
yo poseeré
poseerás
él/ella/Ud. poseerá
nosotros poseeremos
vosotros poseeréis
ellos/ellas/Uds. poseerán
Example

Mañana yo poseeré.

Tomorrow I will possess, to own.

Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.

Pronoun Conjugation
yo poseería
poseerías
él/ella/Ud. poseería
nosotros poseeríamos
vosotros poseeríais
ellos/ellas/Uds. poseerían
Example

Si pudiera, yo poseería.

If I could, I would possess, to own.

Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.

Pronoun Conjugation
yo posea
poseas
él/ella/Ud. posea
nosotros poseamos
vosotros poseáis
ellos/ellas/Uds. posean
Example

Espero que tú poseas.

I hope that you possess, to own.

Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.

Pronoun Conjugation
yo -
posee
él/ella/Ud. posea
nosotros poseamos
vosotros poseed
ellos/ellas/Uds. posean
Example

Posee una gran colección de arte.

He owns a large art collection.

Test yourself

Type the correct conjugation for each prompt.

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Example sentences

Common phrases with poseer

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