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Spanish verb conjugation

Avisar conjugation

avisar is a regular Spanish -AR verb meaning inform / warn / let know. In the present tense: yo aviso, tú avisas, él/ella avisa, nosotros avisamos, vosotros avisáis, ellos avisan. Full conjugation across 18 tenses below.

Rank #280-ARRegular18 tense tables
At a glance
Infinitive
avisar
Gerundio
avisando
Meaning
inform / warn / let know
Pattern
Regular
Difficulty
Level 1
Practice this verb
Conjugation tables

Avisar across the MuyVerbs tense system

Non-finite forms

Infinitivo and Gerundio

Study present continuous
FormSpanishUse
InfinitivoavisarDictionary form and base form for many compound structures.
GerundioavisandoUsed with estar for progressive forms, for example estar avisando.

Presente

Present

Study tense
PronounFormContext
yoaviso
Yo aviso cuando llego.I let you know when I arrive.
avisas
Tú avisas a todos con tiempo.You inform everyone in advance.
élavisa
Él avisa si hay un cambio.He lets us know if there is a change.
nosotrosavisamos
Nosotros avisamos de cualquier problema.We warn about any problem.
vosotrosavisáis
Vosotros avisáis antes de venir.You let us know before coming.
ellosavisan
Ellos avisan a la prensa enseguida.They inform the press right away.

Pretérito Perfecto

Present Perfect

Study tense
PronounFormContext
yohe avisado
Yo he avisado cuando llegué.I have let you know when I arrived.
has avisado
Tú has avisado a todos ya.You have informed everyone already.
élha avisado
Él ha avisado del cambio.He has informed us about the change.
nosotroshemos avisado
Nosotros hemos avisado del problema.We have warned about the problem.
vosotroshabéis avisado
Vosotros habéis avisado antes de venir.You have let us know before coming.
elloshan avisado
Ellos han avisado a la prensa.They have informed the press.

Pretérito Indefinido

Preterite

Study tense
PronounFormContext
yoavisé
Ayer yo avisé cuando llegué.Yesterday I let you know when I arrived.
avisaste
Tú avisaste a todos con tiempo.You informed everyone in advance.
élavisó
Él avisó del cambio.He informed us about the change.
nosotrosavisamos
Nosotros avisamos del problema.We warned about the problem.
vosotrosavisasteis
Vosotros avisasteis antes de venir.You let us know before coming.
ellosavisaron
Ellos avisaron a la prensa.They informed the press.

Pretérito Imperfecto

Imperfect

Study tense
PronounFormContext
yoavisaba
Yo avisaba siempre cuando llegaba.I used to let you know whenever I arrived.
avisabas
Tú avisabas a todos con tiempo.You used to inform everyone in advance.
élavisaba
Él avisaba de cualquier cambio.He used to inform us of any change.
nosotrosavisábamos
Nosotros avisábamos de los problemas antes.We used to warn about problems beforehand.
vosotrosavisabais
Vosotros avisabais antes de venir.You used to let us know before coming.
ellosavisaban
Ellos avisaban a la prensa enseguida.They used to inform the press right away.

Pretérito Pluscuamperfecto

Past Perfect

Study tense
PronounFormContext
yohabía avisado
Yo había avisado antes de llegar.I had let you know before arriving.
habías avisado
Tú habías avisado a todos ya.You had informed everyone already.
élhabía avisado
Él había avisado del cambio previamente.He had informed us about the change previously.
nosotroshabíamos avisado
Nosotros habíamos avisado del problema antes.We had warned about the problem before.
vosotroshabíais avisado
Vosotros habíais avisado esa mañana.You had let us know that morning.
elloshabían avisado
Ellos habían avisado a la prensa antes.They had informed the press before.

Pretérito Anterior

Preterite Anterior

Study tense
PronounFormContext
yohube avisado
Cuando yo hube avisado, se quedaron tranquilos.When I had let them know, they felt calm.
hubiste avisado
En cuanto tú hubiste avisado a todos, empezó la reunión.As soon as you had informed everyone, the meeting started.
élhubo avisado
Después de que él hubo avisado del cambio, salimos.After he had informed us about the change, we left.
nosotroshubimos avisado
Apenas nosotros hubimos avisado del problema, actuaron.As soon as we had warned about the problem, they acted.
vosotroshubisteis avisado
Una vez que vosotros hubisteis avisado, se prepararon.Once you had let them know, they got ready.
elloshubieron avisado
Cuando ellos hubieron avisado a la prensa, empezó el debate.When they had informed the press, the debate began.

Futuro

Future

Study tense
PronounFormContext
yoavisaré
Yo avisaré cuando llegue.I will let you know when I arrive.
avisarás
Tú avisarás a todos mañana.You will inform everyone tomorrow.
élavisará
Él avisará si hay un cambio.He will let us know if there is a change.
nosotrosavisaremos
Nosotros avisaremos del problema a tiempo.We will warn about the problem in time.
vosotrosavisaréis
Vosotros avisaréis antes de venir.You will let us know before coming.
ellosavisarán
Ellos avisarán a la prensa pronto.They will inform the press soon.

Futuro Perfecto

Future Perfect

Study tense
PronounFormContext
yohabré avisado
Para entonces yo habré avisado ya.By then I will have let you know already.
habrás avisado
Tú habrás avisado a todos para esa hora.You will have informed everyone by that time.
élhabrá avisado
Él habrá avisado del cambio ya.He will have informed us about the change already.
nosotroshabremos avisado
Nosotros habremos avisado del problema antes.We will have warned about the problem beforehand.
vosotroshabréis avisado
Vosotros habréis avisado para entonces.You will have let us know by then.
elloshabrán avisado
Ellos habrán avisado a la prensa ya.They will have informed the press already.

Condicional

Conditional

Study tense
PronounFormContext
yoavisaría
Yo avisaría si supiera algo.I would let you know if I knew something.
avisarías
Tú avisarías a todos sin tardar.You would inform everyone without delay.
élavisaría
Él avisaría de cualquier cambio.He would let us know about any change.
nosotrosavisaríamos
Nosotros avisaríamos del problema antes.We would warn about the problem earlier.
vosotrosavisaríais
Vosotros avisaríais con tiempo.You would let us know in advance.
ellosavisarían
Ellos avisarían a la prensa si hiciera falta.They would inform the press if necessary.

Condicional Perfecto

Conditional Perfect

Study tense
PronounFormContext
yohabría avisado
Yo habría avisado si hubiera sabido algo.I would have let you know if I had known something.
habrías avisado
Tú habrías avisado a todos sin tardar.You would have informed everyone without delay.
élhabría avisado
Él habría avisado de cualquier cambio.He would have let us know about any change.
nosotroshabríamos avisado
Nosotros habríamos avisado del problema antes.We would have warned about the problem earlier.
vosotroshabríais avisado
Vosotros habríais avisado con tiempo.You would have let us know in advance.
elloshabrían avisado
Ellos habrían avisado a la prensa si hubiera hecho falta.They would have informed the press if it had been necessary.

Subjuntivo Presente

Present Subjunctive

Study tense
PronounFormContext
yoavise
Es bueno que yo avise cuando llegue.It is good that I let you know when I arrive.
avises
Quiero que tú avises a todos.I want you to inform everyone.
élavise
Es importante que él avise del cambio.It is important that he let us know about the change.
nosotrosavisemos
Deseo que nosotros avisemos del problema a tiempo.I wish that we warn about the problem in time.
vosotrosaviséis
Es mejor que vosotros aviséis antes.It is better that you let us know beforehand.
ellosavisen
Temo que ellos no avisen a la prensa.I fear that they may not inform the press.

Subjuntivo Pretérito Perfecto

Present Perfect Subjunctive

Study tense
PronounFormContext
yohaya avisado
Dudo que yo haya avisado ya.I doubt that I have let you know already.
hayas avisado
No creo que tú hayas avisado a todos todavía.I do not think that you have informed everyone yet.
élhaya avisado
Es posible que él haya avisado del cambio.It is possible that he has informed us about the change.
nosotroshayamos avisado
Es probable que nosotros hayamos avisado del problema.It is likely that we have warned about the problem.
vosotroshayáis avisado
No parece que vosotros hayáis avisado aún.It does not seem that you have let us know yet.
elloshayan avisado
Puede que ellos hayan avisado a la prensa.They may have informed the press.

Subjuntivo Pretérito Imperfecto

Imperfect Subjunctive

Study tense
PronounFormContext
yoavisara
Si yo avisara antes, llegarían preparados.If I let them know earlier, they would arrive prepared.
avisaras
Si tú avisaras a todos, evitaríamos el caos.If you informed everyone, we would avoid the chaos.
élavisara
Si él avisara del cambio, no habría dudas.If he let us know about the change, there would be no doubts.
nosotrosavisáramos
Si nosotros avisáramos del problema, actuarían antes.If we warned about the problem, they would act earlier.
vosotrosavisarais
Si vosotros avisarais con tiempo, iríamos tranquilos.If you let us know in advance, we would go calmly.
ellosavisaran
Si ellos avisaran a la prensa, todo sería público.If they informed the press, everything would be public.

Subjuntivo Pretérito Pluscuamperfecto

Past Perfect Subjunctive

Study tense
PronounFormContext
yohubiera avisado
Si yo hubiera avisado antes, habrían llegado preparados.If I had let them know earlier, they would have arrived prepared.
hubieras avisado
Si tú hubieras avisado a todos, habríamos evitado el caos.If you had informed everyone, we would have avoided the chaos.
élhubiera avisado
Si él hubiera avisado del cambio, no habría habido dudas.If he had let us know about the change, there would have been no doubts.
nosotroshubiéramos avisado
Si nosotros hubiéramos avisado del problema, habrían actuado antes.If we had warned about the problem, they would have acted earlier.
vosotroshubierais avisado
Si vosotros hubierais avisado con tiempo, habríamos ido tranquilos.If you had let us know in advance, we would have gone calmly.
elloshubieran avisado
Si ellos hubieran avisado a la prensa, todo habría sido público.If they had informed the press, everything would have been public.

Subjuntivo Futuro

Future Subjunctive

Study tense
PronounFormContext
yoavisare
Si algún día yo avisare tarde, te escribiré.If someday I should let you know late, I will write to you.
avisares
Si tú avisares a todos, vendrán preparados.If you should inform everyone, they will come prepared.
élavisare
Si él avisare del cambio, nos adaptaremos.If he should let us know about the change, we will adapt.
nosotrosavisáremos
Si nosotros avisáremos del problema, podrán reaccionar.If we should warn about the problem, they will be able to react.
vosotrosavisareis
Si vosotros avisareis antes, iremos mejor.If you should let us know beforehand, we will go better.
ellosavisaren
Si ellos avisaren a la prensa, habrá ruido.If they should inform the press, there will be noise.

Subjuntivo Futuro Perfecto

Future Perfect Subjunctive

Study tense
PronounFormContext
yohubiere avisado
Cuando yo hubiere avisado, saldréis tranquilos.When I shall have let you know, you will leave calmly.
hubieres avisado
Cuando tú hubieres avisado a todos, empezaremos.When you shall have informed everyone, we will begin.
élhubiere avisado
Cuando él hubiere avisado del cambio, decidiremos.When he shall have let us know about the change, we will decide.
nosotroshubiéremos avisado
Cuando nosotros hubiéremos avisado del problema, reaccionarán.When we shall have warned about the problem, they will react.
vosotroshubiereis avisado
Cuando vosotros hubiereis avisado antes, os esperaremos.When you shall have let us know beforehand, we will wait for you.
elloshubieren avisado
Cuando ellos hubieren avisado a la prensa, empezará todo.When they shall have informed the press, everything will begin.

Imperativo Afirmativo

Affirmative Imperative

Study tense
PronounFormContext
yo-
avisa
Tú, avisa cuando llegues.You, let me know when you arrive.
élavise
Que él avise a todos del cambio.Let him inform everyone about the change.
nosotrosavisemos
avisemos del problema ahora.Let us warn about the problem now.
vosotrosavisad
Vosotros, avisad antes de venir.You, let us know before coming.
ellosavisen
Que ellos avisen a la prensa.Let them inform the press.

Imperativo Negativo

Negative Imperative

Study tense
PronounFormContext
yo-
no avises
No no avises tarde.Do not let us know late.
élno avise
Que él no no avise sin pruebas.Let him not inform without evidence.
nosotrosno avisemos
No no avisemos del problema con miedo.Let us not warn about the problem with fear.
vosotrosno aviséis
No no aviséis a todos por error.Do not inform everyone by mistake.
ellosno avisen
Que ellos no no avisen a la prensa todavía.Let them not inform the press yet.
Free web drill

Practice avisar

1 / 1

Presenteyo

Yo ___ cuando llego.

I let you know when I arrive.

Need grammar help?How to form Presente

Use Presente for facts, habits, current states, and regular actions.

Formation

  1. 1Remove the infinitive ending: -ar, -er, or -ir.
  2. 2Add the present endings for the subject.
  3. 3Watch high-frequency irregulars like ser, estar, ir, tener, hacer, and decir.

Pattern

-ar: o, as, a, amos, áis, an-er: o, es, e, emos, éis, en-ir: o, es, e, imos, ís, en

Examples

hablar -> yo hablocomer -> él comevivir -> vosotros vivís

Presente is the base system. Master the endings first, then handle irregular yo forms and stem changes.

Grammar to master with avisar

Related Spanish grammar topics

Concepts that come up every time you conjugate avisar. Each is a short, focused guide.

Common questions

Avisar conjugation — frequently asked

Short, direct answers to what learners search most about avisar.

What does 'avisar' mean in English?
In Spanish, 'avisar' means to inform / warn / let know. It is a regular -AR verb used across all 18 standard Spanish tenses.
Is avisar an irregular verb in Spanish?
Avisar is a regular -AR verb. Its endings follow the standard pattern in every tense without stem or root changes.
How do you conjugate avisar in the present tense?
Present tense (Presente) of avisar: yo aviso, tú avisas, él/ella/usted avisa, nosotros avisamos, vosotros avisáis, ellos/ellas/ustedes avisan.
How do you conjugate avisar in the preterite?
Preterite (Pretérito Indefinido) of avisar: yo avisé, tú avisaste, él/ella/usted avisó, nosotros avisamos, vosotros avisasteis, ellos/ellas/ustedes avisaron. This tense expresses completed past actions at a defined point in time.
What is the imperfect tense of avisar?
Imperfect (Pretérito Imperfecto) of avisar: yo avisaba, tú avisabas, él/ella/usted avisaba, nosotros avisábamos, vosotros avisabais, ellos/ellas/ustedes avisaban. The imperfect describes past habits, ongoing actions, and background states.
What is the past participle of avisar?
The past participle of avisar is 'avisado'. It is used to form compound tenses with the auxiliary verb haber — for example, 'he avisado' (I have inform / warn / let knowed), 'has avisado', 'ha avisado'.
What is the gerundio (present participle) of avisar?
The gerundio of avisar is 'avisando'. It pairs with estar to form the present continuous (estoy avisando) and other progressive tenses, indicating an action in progress.