-ir verb irregular · stem-changing e>ie B1 · Intermediate

Conjugate advertir in Spanish

to warn / to notice

advertir is an irregular -ir verb ranked #411 among the most common Spanish verbs. For example: "Necesito advertir esto." (I need to warn / to notice this.). Use the tables below for full conjugation across all 7 tenses.

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⚡ Irregular verb — advertir (stem-changing e>ie) does not follow standard -ir 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 advierto *
adviertes *
él/ella/Ud. advierte *
nosotros advertimos
vosotros advertís
ellos/ellas/Uds. advierten *
Example

Yo advierto todos los días.

I warn / to notice every day.

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

Pronoun Conjugation
yo advertí
advertiste
él/ella/Ud. advirtió *
nosotros advertimos
vosotros advertisteis
ellos/ellas/Uds. advirtieron *
Example

Ayer yo advertí.

Yesterday I warn / to notice.

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

Pronoun Conjugation
yo advertía
advertías
él/ella/Ud. advertía
nosotros advertíamos
vosotros advertíais
ellos/ellas/Uds. advertían
Example

Antes yo advertía con frecuencia.

Before, I used to warn / to notice often.

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

Pronoun Conjugation
yo advertiré
advertirás
él/ella/Ud. advertirá
nosotros advertiremos
vosotros advertiréis
ellos/ellas/Uds. advertirán
Example

Mañana yo advertiré.

Tomorrow I will warn / to notice.

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

Pronoun Conjugation
yo advertiría
advertirías
él/ella/Ud. advertiría
nosotros advertiríamos
vosotros advertiríais
ellos/ellas/Uds. advertirían
Example

Si pudiera, yo advertiría.

If I could, I would warn / to notice.

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

Pronoun Conjugation
yo advierta *
adviertas *
él/ella/Ud. advierta *
nosotros advirtamos *
vosotros advirtáis *
ellos/ellas/Uds. adviertan *
Example

Espero que tú adviertas.

I hope that you warn / to notice.

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

Pronoun Conjugation
yo -
adverte
él/ella/Ud. adverta
nosotros advertamos
vosotros advertid
ellos/ellas/Uds. advertan
Example

¡Adverte!

Warn / to notice!

Test yourself

Type the correct conjugation for each prompt.

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Example sentences

Common phrases with advertir

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