Ella Verbsadvertir to warn, to note, to caution, to notice Irregular Verb
At a glance: Advertir (to warn, to note, to caution, to notice) is a irregular verb in Spanish. In the present tense: advierto, adviertes, advierte, advertimos, advertís, advierten. Yo, tú, ella/él and ellas/ellos change e to ie (advierto, adviertes, advierte, advierten); nosotros and vosotros are regular. It is also irregular in the preterite (advirtió), subjunctive and gerund (advirtiendo).

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The Indicative Present of advertir is used to talk about situations, events or thoughts that are happening now or in the near future. It is also used to talk about facts and truths. For example, “advierto”, meaning “I warn”.
In Spanish, the Indicative Present is known as "El Presente".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | advierto | I warn |
| Tú | adviertes | you warn |
| Ella / Él / Usted | advierte | s/he warns |
| Nosotras / Nosotros | advertimos | we warn |
| Vosotras / Vosotros | advertís | you (plural) warn |
| Ellas / Ellos / Ustedes | advierten | they warn |
How it’s built: Yo, tú, ella/él and ellas/ellos change e to ie (advierto, adviertes, advierte, advierten); nosotros and vosotros are regular.
Letters in red show where a form differs from the regular pattern.
The Indicative Preterite of advertir is used to talk about actions completed in the past, at a specific point in time. For example, “advertí”, meaning “I warned”.
In Spanish, the Indicative Preterite is known as "El Pretérito Indefinido".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | advertí | I warned |
| Tú | advertiste | you warned |
| Ella / Él / Usted | advirtió | s/he warned |
| Nosotras / Nosotros | advertimos | we warned |
| Vosotras / Vosotros | advertisteis | you (plural) warned |
| Ellas / Ellos / Ustedes | advirtieron | they warned |
How it’s built: Ella/Él and ellas/ellos change e to i (advirtió, advirtieron); the other forms are regular.
Letters in red show where a form differs from the regular pattern.
The Indicative Imperfect of advertir is used to describe regular and repeated actions that happened in the past and descriptions of things you used to do. For example, “advertía”, meaning “I used to warn”.
In Spanish, the Indicative Imperfect is known as "El Pretérito Imperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | advertía | I used to warn |
| Tú | advertías | you used to warn |
| Ella / Él / Usted | advertía | s/he used to warn |
| Nosotras / Nosotros | advertíamos | we used to warn |
| Vosotras / Vosotros | advertíais | you (plural) used to warn |
| Ellas / Ellos / Ustedes | advertían | they used to warn |
How it’s built: Regular: stem advert- plus the -ir endings.
The Indicative Present Continuous of advertir is used to talk about something that is happening continuously or right now. For example, “estoy advirtiendo”, meaning “I am warning”.
In Spanish, the Indicative Present Continuous is known as "El Presente Progresivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | estoy advirtiendo | I am warning |
| Tú | estás advirtiendo | you are warning |
| Ella / Él / Usted | está advirtiendo | s/he is warning |
| Nosotras / Nosotros | estamos advirtiendo | we are warning |
| Vosotras / Vosotros | estáis advirtiendo | you (plural) are warning |
| Ellas / Ellos / Ustedes | están advirtiendo | they are warning |
How it’s built: Estar in the present (estoy, estás, está, estamos, estáis, están) plus the irregular gerund advirtiendo.
Letters in red show where a form differs from the regular pattern.
The Indicative Informal Future of advertir is used to talk about something that will happen in the future, especially in the near future. For example, “voy a advertir”, meaning “I am going to warn”.
In Spanish, the Indicative Informal Future is known as "El Futuro Próximo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | voy a advertir | I am going to warn |
| Tú | vas a advertir | you are going to warn |
| Ella / Él / Usted | va a advertir | s/he is going to warn |
| Nosotras / Nosotros | vamos a advertir | we are going to warn |
| Vosotras / Vosotros | vais a advertir | you (plural) are going to warn |
| Ellas / Ellos / Ustedes | van a advertir | they are going to warn |
How it’s built: Ir in the present (voy, vas, va, vamos, vais, van), then a, then the infinitive advertir.
The Indicative Future of advertir is used to talk about something that will happen in the future. For example, “advertiré”, meaning “I will warn”.
In Spanish, the Indicative Future is known as "El Futuro Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | advertiré | I will warn |
| Tú | advertirás | you will warn |
| Ella / Él / Usted | advertirá | s/he will warn |
| Nosotras / Nosotros | advertiremos | we will warn |
| Vosotras / Vosotros | advertiréis | you (plural) will warn |
| Ellas / Ellos / Ustedes | advertirán | they will warn |
How it’s built: Regular: the infinitive advertir plus the future endings.
The Indicative Conditional of advertir is used to talk about something that may happen in the future, hypothesis and probabilities. For example, “advertiría”, meaning “I would warn”.
In Spanish, the Indicative Conditional is known as "El Condicional Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | advertiría | I would warn |
| Tú | advertirías | you would warn |
| Ella / Él / Usted | advertiría | s/he would warn |
| Nosotras / Nosotros | advertiríamos | we would warn |
| Vosotras / Vosotros | advertiríais | you (plural) would warn |
| Ellas / Ellos / Ustedes | advertirían | they would warn |
How it’s built: Regular: the infinitive advertir plus the conditional endings.
The Indicative Present Perfect of advertir is used to describe actions that started recently (in the past) and are still happening now or things that have been done recently. For example, “he advertido”, meaning “I have warned”.
In Spanish, the Indicative Present Perfect is known as "El Pretérito Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | he advertido | I have warned |
| Tú | has advertido | you have warned |
| Ella / Él / Usted | ha advertido | s/he has warned |
| Nosotras / Nosotros | hemos advertido | we have warned |
| Vosotras / Vosotros | habéis advertido | you (plural) have warned |
| Ellas / Ellos / Ustedes | han advertido | they have warned |
How it’s built: Haber in the present (he, has, ha, hemos, habéis, han) plus the past participle advertido.
The Indicative Past Perfect of advertir is used to talk about actions that happened before another action in the past. For example, “había advertido”, meaning “I had warned”.
In Spanish, the Indicative Past Perfect is known as "El Pretérito Pluscuamperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | había advertido | I had warned |
| Tú | habías advertido | you had warned |
| Ella / Él / Usted | había advertido | s/he had warned |
| Nosotras / Nosotros | habíamos advertido | we had warned |
| Vosotras / Vosotros | habíais advertido | you (plural) had warned |
| Ellas / Ellos / Ustedes | habían advertido | they had warned |
How it’s built: Haber in the imperfect (había, habías, había, habíamos, habíais, habían) plus the past participle advertido.
The Indicative Future Perfect of advertir is used to talk about something that will have happened in the future after something else has already happened. For example, “habré advertido”, meaning “I will have warned”.
In Spanish, the Indicative Future Perfect is known as "El Futuro Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | habré advertido | I will have warned |
| Tú | habrás advertido | you will have warned |
| Ella / Él / Usted | habrá advertido | s/he will have warned |
| Nosotras / Nosotros | habremos advertido | we will have warned |
| Vosotras / Vosotros | habréis advertido | you (plural) will have warned |
| Ellas / Ellos / Ustedes | habrán advertido | they will have warned |
How it’s built: Haber in the future (habré, habrás, habrá, habremos, habréis, habrán) plus the past participle advertido.
The Indicative Conditional Perfect of advertir is used to talk about something that would have happened in the past but didn’t due to another action. For example, “habría advertido”, meaning “I would have warned”.
In Spanish, the Indicative Conditional Perfect is known as "El Condicional Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | habría advertido | I would have warned |
| Tú | habrías advertido | you would have warned |
| Ella / Él / Usted | habría advertido | s/he would have warned |
| Nosotras / Nosotros | habríamos advertido | we would have warned |
| Vosotras / Vosotros | habríais advertido | you (plural) would have warned |
| Ellas / Ellos / Ustedes | habrían advertido | they would have warned |
How it’s built: Haber in the conditional (habría, habrías, habría, habríamos, habríais, habrían) plus the past participle advertido.
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The Subjunctive Present is used to talk about situations of uncertainty, or emotions such as wishes, desires and hopes. It differs from the indicative mood due to the uncertainty of the events which are being spoken about. For example, “advierta”, meaning “I warn”.
In Spanish, the Subjunctive Present is known as "El Presente de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | advierta | I warn |
| Tú | adviertas | you warn |
| Ella / Él / Usted | advierta | s/he warns |
| Nosotras / Nosotros | advirtamos | we warn |
| Vosotras / Vosotros | advirtáis | you (plural) warn |
| Ellas / Ellos / Ustedes | adviertan | they warn |
How it’s built: Yo, tú, ella/él and ellas/ellos follow the yo present, advierto (advierta, adviertas, advierta, adviertan); nosotros and vosotros change e to i (advirtamos, advirtáis).
Letters in red show where a form differs from the regular pattern.
The Subjunctive Imperfect is used to speak about unlikely or uncertain events in the past or to cast an opinion (emotional) about something that happened in the past. For example, “advirtiera”, meaning “I warned”.
In Spanish, the Subjunctive Imperfect is known as "El Imperfecto Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | advirtiera | I warned |
| Tú | advirtieras | you warned |
| Ella / Él / Usted | advirtiera | s/he warned |
| Nosotras / Nosotros | advirtiéramos | we warned |
| Vosotras / Vosotros | advirtierais | you (plural) warned |
| Ellas / Ellos / Ustedes | advirtieran | they warned |
How it’s built: Built on the irregular ellas/ellos preterite, advirtieron: drop -ron and add the -ra endings; nosotros adds an accent (advirtiéramos).
Letters in red show where a form differs from the regular pattern.
The Subjunctive Future is used to speak about hypothetical situations, and actions/events that may happen in the future. For example, “advirtiere”, meaning “I will warn”.
In Spanish, the Subjunctive Future is known as "El Futuro de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | advirtiere | I will warn |
| Tú | advirtieres | you will warn |
| Ella / Él / Usted | advirtiere | s/he will warn |
| Nosotras / Nosotros | advirtiéremos | we will warn |
| Vosotras / Vosotros | advirtiereis | you (plural) will warn |
| Ellas / Ellos / Ustedes | advirtieren | they will warn |
How it’s built: Built on the irregular ellas/ellos preterite, advirtieron: drop -ron and add the -re endings; nosotros adds an accent (advirtiéremos).
Letters in red show where a form differs from the regular pattern.
The Subjunctive Present Perfect is used to describe past actions or events that are still connected to the present day and to speak about an action that will have happened by a certain time in the future. For example, “haya advertido”, meaning “I have warned”.
In Spanish, the Subjunctive Present Perfect is known as "El Pretérito Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | haya advertido | I have warned |
| Tú | hayas advertido | you have warned |
| Ella / Él / Usted | haya advertido | s/he has warned |
| Nosotras / Nosotros | hayamos advertido | we have warned |
| Vosotras / Vosotros | hayáis advertido | you (plural) have warned |
| Ellas / Ellos / Ustedes | hayan advertido | they have warned |
How it’s built: Haber in the subjunctive present (haya, hayas, haya, hayamos, hayáis, hayan) plus the past participle advertido.
The Subjunctive Past Perfect is used to speak about hypothetical situations, and actions/events that occurred before other actions/events in the past. For example, “hubiera advertido”, meaning “I had warned”.
In Spanish, the Subjunctive Past Perfect is known as "El Pretérito Pluscuamperfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | hubiera advertido | I had warned |
| Tú | hubieras advertido | you had warned |
| Ella / Él / Usted | hubiera advertido | s/he had warned |
| Nosotras / Nosotros | hubiéramos advertido | we had warned |
| Vosotras / Vosotros | hubierais advertido | you (plural) had warned |
| Ellas / Ellos / Ustedes | hubieran advertido | they had warned |
How it’s built: Haber in the subjunctive imperfect (hubiera, hubieras, hubiera, hubiéramos, hubierais, hubieran) plus the past participle advertido.
The Subjunctive Future Perfect is used to speak about something that will have happened if a hypothetical situations occurs in the future. For example, “hubiere advertido”, meaning “I will have warned”.
In Spanish, the Subjunctive Future Perfect is known as "El Futuro Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | hubiere advertido | I will have warned |
| Tú | hubieres advertido | you will have warned |
| Ella / Él / Usted | hubiere advertido | s/he will have warned |
| Nosotras / Nosotros | hubiéremos advertido | we will have warned |
| Vosotras / Vosotros | hubiereis advertido | you (plural) will have warned |
| Ellas / Ellos / Ustedes | hubieren advertido | they will have warned |
How it’s built: Haber in the subjunctive future (hubiere, hubieres, hubiere, hubiéremos, hubiereis, hubieren) plus the past participle advertido.
The Imperative Affirmative is used to give orders and commands, to tell someone to do something. For example, “advierta”, meaning “(to you formal) warn!”.
In Spanish, the Imperative Affirmative is known as "El Imperativo Afirmativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | advierte | (to you) warn! |
| Ella / Él / Usted | advierta | (to you formal) warn! |
| Nosotras / Nosotros | advirtamos | let's warn! |
| Vosotras / Vosotros | advertid | (to you plural) warn! |
| Ellas / Ellos / Ustedes | adviertan | (to you plural formal) warn! |
How it’s built: Tú takes the ella/él present (advierte); usted, nosotros and ustedes take the subjunctive present (advierta, advirtamos, adviertan); vosotros swaps the final r of the infinitive for a d (advertid).
Letters in red show where a form differs from the regular pattern.
The Imperative Negative is used to give orders and commands, telling someone not to do something. For example, “no advierta”, meaning “(to you formal) don't warn!”.
In Spanish, the Imperative Negative is known as "El Imperativo Negativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | no adviertas | (to you) don't warn! |
| Ella / Él / Usted | no advierta | (to you formal) don't warn! |
| Nosotras / Nosotros | no advirtamos | let's not warn! |
| Vosotras / Vosotros | no advirtáis | (to you plural) don't warn! |
| Ellas / Ellos / Ustedes | no adviertan | (to you plural formal) don't warn! |
How it’s built: No plus the subjunctive present: no adviertas, no advierta, no advirtamos, no advirtáis, no adviertan.
Letters in red show where a form differs from the regular pattern.
Advertir is an irregular Spanish verb. In the present tense: yo, tú, ella/él and ellas/ellos change e to ie (advierto, adviertes, advierte, advierten); nosotros and vosotros are regular. It is also irregular in the preterite (advirtió), subjunctive and gerund (advirtiendo).
In the present tense (presente), advertir is conjugated as: yo advierto, tú adviertes, él/ella/usted advierte, nosotros advertimos, vosotros advertís, ellos/ellas/ustedes advierten. The present tense is used To talk about situations, events or thoughts that are happening now or in the near future. It is also used to talk about facts and truths.
In the preterite (pretérito indefinido), advertir is conjugated as: yo advertí, tú advertiste, él/ella/usted advirtió, nosotros advertimos, vosotros advertisteis, ellos/ellas/ustedes advirtieron. The preterite is used To talk about actions completed in the past, at a specific point in time.
In the imperfect (pretérito imperfecto), advertir is conjugated as: yo advertía, tú advertías, él/ella/usted advertía, nosotros advertíamos, vosotros advertíais, ellos/ellas/ustedes advertían. The imperfect is used To describe regular and repeated actions that happened in the past and descriptions of things you used to do.
In the future tense (futuro simple), advertir is conjugated as: yo advertiré, tú advertirás, él/ella/usted advertirá, nosotros advertiremos, vosotros advertiréis, ellos/ellas/ustedes advertirán. The future tense is used To talk about something that will happen in the future.
In the present subjunctive (subjuntivo presente), advertir is conjugated as: yo advierta, tú adviertas, él/ella/usted advierta, nosotros advirtamos, vosotros advirtáis, ellos/ellas/ustedes adviertan. The present subjunctive is used To talk about situations of uncertainty, or emotions such as wishes, desires and hopes. It differs from the indicative mood due to the uncertainty of the events which are being spoken about.
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