Ella VerbsHow to conjugate Avisar in Spanish
avisar to warn, to notify, to let know Regular AR Verb
At a glance: Avisar (to warn, to notify, to let know) is a regular -AR verb in Spanish. In the present tense: aviso, avisas, avisa, avisamos, avisáis, avisan. Because it is fully regular, its endings apply directly to hundreds of other -AR verbs.
- Past participle
- avisado warned
- Gerund
- avisando warning
- Similar
- advertir, notificar
Table of contents
- Indicative tenses of Avisar
- Avisar in the Indicative Present
- Avisar in the Indicative Preterite
- Avisar in the Indicative Imperfect
- Avisar in the Indicative Present Continuous
- Avisar in the Indicative Informal Future
- Avisar in the Indicative Future
- Avisar in the Indicative Conditional
- Avisar in the Indicative Present Perfect
- Avisar in the Indicative Past Perfect
- Avisar in the Indicative Future Perfect
- Avisar in the Indicative Conditional Perfect
- Subjunctive tenses of Avisar
- Imperative tenses of Avisar
- Verbs that follow the same patterns
- Frequently asked questions
- Downloadable cheat sheet (PDF)
- Practise Avisar conjugations (free mobile app)
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Indicative tenses of Avisar
Avisar in the Indicative Present
The Indicative Present of avisar 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, “aviso”, meaning “I warn”.
In Spanish, the Indicative Present is known as "El Presente".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | aviso | I warn |
| Tú | avisas | you warn |
| Ella / Él / Usted | avisa | s/he warns |
| Nosotras / Nosotros | avisamos | we warn |
| Vosotras / Vosotros | avisáis | you (plural) warn |
| Ellas / Ellos / Ustedes | avisan | they warn |
How it’s built: Regular: stem avis- plus the -ar endings.
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Avisar in the Indicative Preterite
The Indicative Preterite of avisar is used to talk about actions completed in the past, at a specific point in time. For example, “avisé”, meaning “I warned”.
In Spanish, the Indicative Preterite is known as "El Pretérito Indefinido".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | avisé | I warned |
| Tú | avisaste | you warned |
| Ella / Él / Usted | avisó | s/he warned |
| Nosotras / Nosotros | avisamos | we warned |
| Vosotras / Vosotros | avisasteis | you (plural) warned |
| Ellas / Ellos / Ustedes | avisaron | they warned |
How it’s built: Regular: stem avis- plus the -ar endings.
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Avisar in the Indicative Imperfect
The Indicative Imperfect of avisar is used to describe regular and repeated actions that happened in the past and descriptions of things you used to do. For example, “avisaba”, meaning “I used to warn”.
In Spanish, the Indicative Imperfect is known as "El Pretérito Imperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | avisaba | I used to warn |
| Tú | avisabas | you used to warn |
| Ella / Él / Usted | avisaba | s/he used to warn |
| Nosotras / Nosotros | avisábamos | we used to warn |
| Vosotras / Vosotros | avisabais | you (plural) used to warn |
| Ellas / Ellos / Ustedes | avisaban | they used to warn |
How it’s built: Regular: stem avis- plus the -ar endings.
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Avisar in the Indicative Present Continuous
The Indicative Present Continuous of avisar is used to talk about something that is happening continuously or right now. For example, “estoy avisando”, meaning “I am warning”.
In Spanish, the Indicative Present Continuous is known as "El Presente Progresivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | estoy avisando | I am warning |
| Tú | estás avisando | you are warning |
| Ella / Él / Usted | está avisando | s/he is warning |
| Nosotras / Nosotros | estamos avisando | we are warning |
| Vosotras / Vosotros | estáis avisando | you (plural) are warning |
| Ellas / Ellos / Ustedes | están avisando | they are warning |
How it’s built: Estar in the present (estoy, estás, está, estamos, estáis, están) plus the gerund avisando.
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Avisar in the Indicative Informal Future
The Indicative Informal Future of avisar is used to talk about something that will happen in the future, especially in the near future. For example, “voy a avisar”, meaning “I am going to warn”.
In Spanish, the Indicative Informal Future is known as "El Futuro Próximo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | voy a avisar | I am going to warn |
| Tú | vas a avisar | you are going to warn |
| Ella / Él / Usted | va a avisar | s/he is going to warn |
| Nosotras / Nosotros | vamos a avisar | we are going to warn |
| Vosotras / Vosotros | vais a avisar | you (plural) are going to warn |
| Ellas / Ellos / Ustedes | van a avisar | they are going to warn |
How it’s built: Ir in the present (voy, vas, va, vamos, vais, van), then a, then the infinitive avisar.
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Avisar in the Indicative Future
The Indicative Future of avisar is used to talk about something that will happen in the future. For example, “avisaré”, meaning “I will warn”.
In Spanish, the Indicative Future is known as "El Futuro Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | avisaré | I will warn |
| Tú | avisarás | you will warn |
| Ella / Él / Usted | avisará | s/he will warn |
| Nosotras / Nosotros | avisaremos | we will warn |
| Vosotras / Vosotros | avisaréis | you (plural) will warn |
| Ellas / Ellos / Ustedes | avisarán | they will warn |
How it’s built: Regular: the infinitive avisar plus the future endings.
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Avisar in the Indicative Conditional
The Indicative Conditional of avisar is used to talk about something that may happen in the future, hypothesis and probabilities. For example, “avisaría”, meaning “I would warn”.
In Spanish, the Indicative Conditional is known as "El Condicional Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | avisaría | I would warn |
| Tú | avisarías | you would warn |
| Ella / Él / Usted | avisaría | s/he would warn |
| Nosotras / Nosotros | avisaríamos | we would warn |
| Vosotras / Vosotros | avisaríais | you (plural) would warn |
| Ellas / Ellos / Ustedes | avisarían | they would warn |
How it’s built: Regular: the infinitive avisar plus the conditional endings.
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Avisar in the Indicative Present Perfect
The Indicative Present Perfect of avisar 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 avisado”, meaning “I have warned”.
In Spanish, the Indicative Present Perfect is known as "El Pretérito Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | he avisado | I have warned |
| Tú | has avisado | you have warned |
| Ella / Él / Usted | ha avisado | s/he has warned |
| Nosotras / Nosotros | hemos avisado | we have warned |
| Vosotras / Vosotros | habéis avisado | you (plural) have warned |
| Ellas / Ellos / Ustedes | han avisado | they have warned |
How it’s built: Haber in the present (he, has, ha, hemos, habéis, han) plus the past participle avisado.
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Avisar in the Indicative Past Perfect
The Indicative Past Perfect of avisar is used to talk about actions that happened before another action in the past. For example, “había avisado”, meaning “I had warned”.
In Spanish, the Indicative Past Perfect is known as "El Pretérito Pluscuamperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | había avisado | I had warned |
| Tú | habías avisado | you had warned |
| Ella / Él / Usted | había avisado | s/he had warned |
| Nosotras / Nosotros | habíamos avisado | we had warned |
| Vosotras / Vosotros | habíais avisado | you (plural) had warned |
| Ellas / Ellos / Ustedes | habían avisado | they had warned |
How it’s built: Haber in the imperfect (había, habías, había, habíamos, habíais, habían) plus the past participle avisado.
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Avisar in the Indicative Future Perfect
The Indicative Future Perfect of avisar is used to talk about something that will have happened in the future after something else has already happened. For example, “habré avisado”, meaning “I will have warned”.
In Spanish, the Indicative Future Perfect is known as "El Futuro Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | habré avisado | I will have warned |
| Tú | habrás avisado | you will have warned |
| Ella / Él / Usted | habrá avisado | s/he will have warned |
| Nosotras / Nosotros | habremos avisado | we will have warned |
| Vosotras / Vosotros | habréis avisado | you (plural) will have warned |
| Ellas / Ellos / Ustedes | habrán avisado | they will have warned |
How it’s built: Haber in the future (habré, habrás, habrá, habremos, habréis, habrán) plus the past participle avisado.
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Avisar in the Indicative Conditional Perfect
The Indicative Conditional Perfect of avisar is used to talk about something that would have happened in the past but didn’t due to another action. For example, “habría avisado”, meaning “I would have warned”.
In Spanish, the Indicative Conditional Perfect is known as "El Condicional Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | habría avisado | I would have warned |
| Tú | habrías avisado | you would have warned |
| Ella / Él / Usted | habría avisado | s/he would have warned |
| Nosotras / Nosotros | habríamos avisado | we would have warned |
| Vosotras / Vosotros | habríais avisado | you (plural) would have warned |
| Ellas / Ellos / Ustedes | habrían avisado | they would have warned |
How it’s built: Haber in the conditional (habría, habrías, habría, habríamos, habríais, habrían) plus the past participle avisado.
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Subjunctive tenses of Avisar
Avisar in the Subjunctive Present
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, “avise”, meaning “I warn”.
In Spanish, the Subjunctive Present is known as "El Presente de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | avise | I warn |
| Tú | avises | you warn |
| Ella / Él / Usted | avise | s/he warns |
| Nosotras / Nosotros | avisemos | we warn |
| Vosotras / Vosotros | aviséis | you (plural) warn |
| Ellas / Ellos / Ustedes | avisen | they warn |
How it’s built: Regular: stem avis- plus the -ar subjunctive endings.
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Avisar in the Subjunctive Imperfect
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, “avisara”, meaning “I warned”.
In Spanish, the Subjunctive Imperfect is known as "El Imperfecto Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | avisara | I warned |
| Tú | avisaras | you warned |
| Ella / Él / Usted | avisara | s/he warned |
| Nosotras / Nosotros | avisáramos | we warned |
| Vosotras / Vosotros | avisarais | you (plural) warned |
| Ellas / Ellos / Ustedes | avisaran | they warned |
How it’s built: Regular: the ellas/ellos preterite, avisaron, without -ron, plus the -ra endings; nosotros adds an accent (avisáramos).
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Avisar in the Subjunctive Future
The Subjunctive Future is used to speak about hypothetical situations, and actions/events that may happen in the future. For example, “avisare”, meaning “I will warn”.
In Spanish, the Subjunctive Future is known as "El Futuro de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | avisare | I will warn |
| Tú | avisares | you will warn |
| Ella / Él / Usted | avisare | s/he will warn |
| Nosotras / Nosotros | avisáremos | we will warn |
| Vosotras / Vosotros | avisareis | you (plural) will warn |
| Ellas / Ellos / Ustedes | avisaren | they will warn |
How it’s built: Regular: the ellas/ellos preterite, avisaron, without -ron, plus the -re endings; nosotros adds an accent (avisáremos).
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Avisar in the Subjunctive Present Perfect
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 avisado”, meaning “I have warned”.
In Spanish, the Subjunctive Present Perfect is known as "El Pretérito Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | haya avisado | I have warned |
| Tú | hayas avisado | you have warned |
| Ella / Él / Usted | haya avisado | s/he has warned |
| Nosotras / Nosotros | hayamos avisado | we have warned |
| Vosotras / Vosotros | hayáis avisado | you (plural) have warned |
| Ellas / Ellos / Ustedes | hayan avisado | they have warned |
How it’s built: Haber in the subjunctive present (haya, hayas, haya, hayamos, hayáis, hayan) plus the past participle avisado.
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Avisar in the Subjunctive Past Perfect
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 avisado”, meaning “I had warned”.
In Spanish, the Subjunctive Past Perfect is known as "El Pretérito Pluscuamperfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | hubiera avisado | I had warned |
| Tú | hubieras avisado | you had warned |
| Ella / Él / Usted | hubiera avisado | s/he had warned |
| Nosotras / Nosotros | hubiéramos avisado | we had warned |
| Vosotras / Vosotros | hubierais avisado | you (plural) had warned |
| Ellas / Ellos / Ustedes | hubieran avisado | they had warned |
How it’s built: Haber in the subjunctive imperfect (hubiera, hubieras, hubiera, hubiéramos, hubierais, hubieran) plus the past participle avisado.
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Avisar in the Subjunctive Future Perfect
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 avisado”, meaning “I will have warned”.
In Spanish, the Subjunctive Future Perfect is known as "El Futuro Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | hubiere avisado | I will have warned |
| Tú | hubieres avisado | you will have warned |
| Ella / Él / Usted | hubiere avisado | s/he will have warned |
| Nosotras / Nosotros | hubiéremos avisado | we will have warned |
| Vosotras / Vosotros | hubiereis avisado | you (plural) will have warned |
| Ellas / Ellos / Ustedes | hubieren avisado | they will have warned |
How it’s built: Haber in the subjunctive future (hubiere, hubieres, hubiere, hubiéremos, hubiereis, hubieren) plus the past participle avisado.
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Imperative tenses of Avisar
Avisar in the Imperative Affirmative
The Imperative Affirmative is used to give orders and commands, to tell someone to do something. For example, “avise”, meaning “(to you formal) warn!”.
In Spanish, the Imperative Affirmative is known as "El Imperativo Afirmativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | avisa | (to you) warn! |
| Ella / Él / Usted | avise | (to you formal) warn! |
| Nosotras / Nosotros | avisemos | let's warn! |
| Vosotras / Vosotros | avisad | (to you plural) warn! |
| Ellas / Ellos / Ustedes | avisen | (to you plural formal) warn! |
How it’s built: Tú takes the ella/él present (avisa); usted, nosotros and ustedes take the subjunctive present (avise, avisemos, avisen); vosotros swaps the final r of the infinitive for a d (avisad).
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Avisar in the Imperative Negative
The Imperative Negative is used to give orders and commands, telling someone not to do something. For example, “no avise”, meaning “(to you formal) don't warn!”.
In Spanish, the Imperative Negative is known as "El Imperativo Negativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | no avises | (to you) don't warn! |
| Ella / Él / Usted | no avise | (to you formal) don't warn! |
| Nosotras / Nosotros | no avisemos | let's not warn! |
| Vosotras / Vosotros | no aviséis | (to you plural) don't warn! |
| Ellas / Ellos / Ustedes | no avisen | (to you plural formal) don't warn! |
How it’s built: No plus the subjunctive present: no avises, no avise, no avisemos, no aviséis, no avisen.
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Frequently asked questions about Avisar
Is avisar a regular or irregular verb?
Avisar is a fully regular -AR verb. It follows the standard -AR conjugation pattern in every tense and mood without any stem changes, spelling changes, or irregular forms. This makes it a model verb for learning the -AR conjugation system.
How do you conjugate avisar in the present tense (presente)?
In the present tense (presente), avisar is conjugated as: yo aviso, tú avisas, él/ella/usted avisa, nosotros avisamos, vosotros avisáis, ellos/ellas/ustedes avisan. 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.
How do you conjugate avisar in the preterite (pretérito indefinido)?
In the preterite (pretérito indefinido), avisar is conjugated as: yo avisé, tú avisaste, él/ella/usted avisó, nosotros avisamos, vosotros avisasteis, ellos/ellas/ustedes avisaron. The preterite is used To talk about actions completed in the past, at a specific point in time.
How do you conjugate avisar in the imperfect (pretérito imperfecto)?
In the imperfect (pretérito imperfecto), avisar is conjugated as: yo avisaba, tú avisabas, él/ella/usted avisaba, nosotros avisábamos, vosotros avisabais, ellos/ellas/ustedes avisaban. The imperfect is used To describe regular and repeated actions that happened in the past and descriptions of things you used to do.
How do you conjugate avisar in the future tense (futuro simple)?
In the future tense (futuro simple), avisar is conjugated as: yo avisaré, tú avisarás, él/ella/usted avisará, nosotros avisaremos, vosotros avisaréis, ellos/ellas/ustedes avisarán. The future tense is used To talk about something that will happen in the future.
How do you conjugate avisar in the present subjunctive (subjuntivo presente)?
In the present subjunctive (subjuntivo presente), avisar is conjugated as: yo avise, tú avises, él/ella/usted avise, nosotros avisemos, vosotros aviséis, ellos/ellas/ustedes avisen. 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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Downloadable cheat sheets
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Want to explore other verb conjugations?
Why not check out Averiguar – to find out, to ascertain or see the complete list of verbs here.
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