Non-finite forms
Infinitivo and Gerundio
| Form | Spanish | Use |
|---|---|---|
| Infinitivo | desilusionar | Dictionary form and base form for many compound structures. |
| Gerundio | desilusionando | Used with estar for progressive forms, for example estar desilusionando. |
desilusionar is a regular Spanish -AR verb meaning disappoint. In the present tense: yo desilusiono, tú desilusionas, él/ella desilusiona, nosotros desilusionamos, vosotros desilusionáis, ellos desilusionan. Full conjugation across 18 tenses below.
Infinitivo and Gerundio
| Form | Spanish | Use |
|---|---|---|
| Infinitivo | desilusionar | Dictionary form and base form for many compound structures. |
| Gerundio | desilusionando | Used with estar for progressive forms, for example estar desilusionando. |
Present
| Pronoun | Form | Context |
|---|---|---|
| yo | desilusiono | Yo desilusiono a mi hermano con una excusa floja.I disappoint my brother with a weak excuse. |
| tú | desilusionas | Normalmente, tú desilusionas a tu hija al llegar tarde otra vez.You usually disappoint your daughter by arriving late again. |
| él | desilusiona | Hoy, el final de la serie desilusiona a los fans que esperaban más.Today, the ending of the series disappoints the fans who expected more. |
| nosotros | desilusionamos | A veces, nosotros desilusionamos a los invitados con comida escasa.At times, we disappoint the guests with too little food. |
| vosotros | desilusionáis | Ahora, vosotros desilusionáis a la clase con un trabajo a medias.Right now, you all disappoint the class with half-finished work. |
| ellos | desilusionan | Casi siempre, las promesas del candidato desilusionan a todo el barrio antes de votar.Most of the time, the candidate's promises disappoint the whole neighborhood before the vote. |
Present Perfect
| Pronoun | Form | Context |
|---|---|---|
| yo | he desilusionado | Este año, yo he desilusionado a mi hermano con una excusa floja.This year, I have disappointed my brother with a weak excuse. |
| tú | has desilusionado | Últimamente, tú has desilusionado a tu hija al llegar tarde otra vez.Lately, you have disappointed your daughter by arriving late again. |
| él | ha desilusionado | En estos meses, el final de la serie ha desilusionado a los fans que esperaban más.In these months, the ending of the series has disappointed the fans who expected more. |
| nosotros | hemos desilusionado | Hasta ahora, nosotros hemos desilusionado a los invitados con comida escasa.So far, we have disappointed the guests with too little food. |
| vosotros | habéis desilusionado | En lo que va de curso, vosotros habéis desilusionado a la clase con un trabajo a medias.This term, you all have disappointed the class with half-finished work. |
| ellos | han desilusionado | En este tiempo, las promesas del candidato han desilusionado a todo el barrio antes de votar.During this time, the candidate's promises have disappointed the whole neighborhood before the vote. |
Preterite
| Pronoun | Form | Context |
|---|---|---|
| yo | desilusioné | Ayer, yo desilusioné a mi hermano con una excusa floja.Yesterday, I disappointed my brother with a weak excuse. |
| tú | desilusionaste | Hace un rato, tú desilusionaste a tu hija al llegar tarde otra vez.A little while ago, you disappointed your daughter by arriving late again. |
| él | desilusionó | Esta mañana, el final de la serie desilusionó a los fans que esperaban más.This morning, the ending of the series disappointed the fans who expected more. |
| nosotros | desilusionamos | Anoche, nosotros desilusionamos a los invitados con comida escasa.Last night, we disappointed the guests with too little food. |
| vosotros | desilusionasteis | El sábado, vosotros desilusionasteis a la clase con un trabajo a medias.On Saturday, you all disappointed the class with half-finished work. |
| ellos | desilusionaron | Hace poco, las promesas del candidato desilusionaron a todo el barrio antes de votar.Not long ago, the candidate's promises disappointed the whole neighborhood before the vote. |
Imperfect
| Pronoun | Form | Context |
|---|---|---|
| yo | desilusionaba | Antes, yo desilusionaba a mi hermano con una excusa floja.Before, I used to disappoint my brother with a weak excuse. |
| tú | desilusionabas | Por entonces, tú desilusionabas a tu hija al llegar tarde otra vez.Back then, you used to disappoint your daughter by arriving late again. |
| él | desilusionaba | En esa época, el final de la serie desilusionaba a los fans que esperaban más.At that time, the ending of the series used to disappoint the fans who expected more. |
| nosotros | desilusionábamos | Cuando eso era normal, nosotros desilusionábamos a los invitados con comida escasa.When that was normal, we used to disappoint the guests with too little food. |
| vosotros | desilusionabais | Hace años, vosotros desilusionabais a la clase con un trabajo a medias.Years ago, you all used to disappoint the class with half-finished work. |
| ellos | desilusionaban | En aquellos días, las promesas del candidato desilusionaban a todo el barrio antes de votar.In those days, the candidate's promises used to disappoint the whole neighborhood before the vote. |
Past Perfect
| Pronoun | Form | Context |
|---|---|---|
| yo | había desilusionado | Cuando llegaste, yo ya había desilusionado a mi hermano con una excusa floja.When you arrived, I had already disappointed my brother with a weak excuse. |
| tú | habías desilusionado | Para entonces, tú ya habías desilusionado a tu hija al llegar tarde otra vez.By then, you had already disappointed your daughter by arriving late again. |
| él | había desilusionado | Al volver, el final de la serie ya había desilusionado a los fans que esperaban más.When we came back, the ending of the series had already disappointed the fans who expected more. |
| nosotros | habíamos desilusionado | Antes de hablarlo, nosotros ya habíamos desilusionado a los invitados con comida escasa.Before talking it through, we had already disappointed the guests with too little food. |
| vosotros | habíais desilusionado | Cuando mirasteis otra vez, vosotros ya habíais desilusionado a la clase con un trabajo a medias.When you looked again, you all had already disappointed the class with half-finished work. |
| ellos | habían desilusionado | Para ese momento, las promesas del candidato ya habían desilusionado a todo el barrio antes de votar.By that moment, the candidate's promises had already disappointed the whole neighborhood before the vote. |
Preterite Anterior
| Pronoun | Form | Context |
|---|---|---|
| yo | hube desilusionado | Apenas yo hube desilusionado a mi hermano con una excusa floja, todo cambió.As soon as I had disappointed my brother with a weak excuse, everything changed. |
| tú | hubiste desilusionado | En cuanto tú hubiste desilusionado a tu hija al llegar tarde otra vez, se notó.The moment you had disappointed your daughter by arriving late again, it showed. |
| él | hubo desilusionado | No bien el final de la serie hubo desilusionado a los fans que esperaban más, hubo ruido.As soon as the ending of the series had disappointed the fans who expected more, there was trouble. |
| nosotros | hubimos desilusionado | Tan pronto como nosotros hubimos desilusionado a los invitados con comida escasa, seguimos adelante.Once we had disappointed the guests with too little food, we moved on. |
| vosotros | hubisteis desilusionado | Apenas vosotros hubisteis desilusionado a la clase con un trabajo a medias, mirasteis el resultado.As soon as you all had disappointed the class with half-finished work, you checked the result. |
| ellos | hubieron desilusionado | En cuanto las promesas del candidato hubieron desilusionado a todo el barrio antes de votar, el ambiente cambió.The moment the candidate's promises had disappointed the whole neighborhood before the vote, the mood changed. |
Future
| Pronoun | Form | Context |
|---|---|---|
| yo | desilusionaré | Mañana, yo desilusionaré a mi hermano con una excusa floja.Tomorrow, I will disappoint my brother with a weak excuse. |
| tú | desilusionarás | Dentro de poco, tú desilusionarás a tu hija al llegar tarde otra vez.Soon, you will disappoint your daughter by arriving late again. |
| él | desilusionará | Esta tarde, el final de la serie desilusionará a los fans que esperaban más.This afternoon, the ending of the series will disappoint the fans who expected more. |
| nosotros | desilusionaremos | La semana que viene, nosotros desilusionaremos a los invitados con comida escasa.Next week, we will disappoint the guests with too little food. |
| vosotros | desilusionaréis | Pronto, vosotros desilusionaréis a la clase con un trabajo a medias.Before long, you all will disappoint the class with half-finished work. |
| ellos | desilusionarán | Más adelante, las promesas del candidato desilusionarán a todo el barrio antes de votar.Later on, the candidate's promises will disappoint the whole neighborhood before the vote. |
Future Perfect
| Pronoun | Form | Context |
|---|---|---|
| yo | habré desilusionado | Para entonces, yo ya habré desilusionado a mi hermano con una excusa floja.By then, I will already have disappointed my brother with a weak excuse. |
| tú | habrás desilusionado | Antes del cierre, tú ya habrás desilusionado a tu hija al llegar tarde otra vez.Before closing time, you will already have disappointed your daughter by arriving late again. |
| él | habrá desilusionado | Al final del día, el final de la serie ya habrá desilusionado a los fans que esperaban más.By the end of the day, the ending of the series will already have disappointed the fans who expected more. |
| nosotros | habremos desilusionado | Para mañana, nosotros ya habremos desilusionado a los invitados con comida escasa.By tomorrow, we will already have disappointed the guests with too little food. |
| vosotros | habréis desilusionado | Antes de iros, vosotros ya habréis desilusionado a la clase con un trabajo a medias.Before leaving, you all will already have disappointed the class with half-finished work. |
| ellos | habrán desilusionado | Para esa hora, las promesas del candidato ya habrán desilusionado a todo el barrio antes de votar.By that hour, the candidate's promises will already have disappointed the whole neighborhood before the vote. |
Conditional
| Pronoun | Form | Context |
|---|---|---|
| yo | desilusionaría | En un caso así, yo desilusionaría a mi hermano con una excusa floja.In a case like that, I would disappoint my brother with a weak excuse. |
| tú | desilusionarías | Con un poco más de tiempo, tú desilusionarías a tu hija al llegar tarde otra vez.With a little more time, you would disappoint your daughter by arriving late again. |
| él | desilusionaría | En esa situación, el final de la serie desilusionaría a los fans que esperaban más.In that situation, the ending of the series would disappoint the fans who expected more. |
| nosotros | desilusionaríamos | Con ese panorama, nosotros desilusionaríamos a los invitados con comida escasa.With that outlook, we would disappoint the guests with too little food. |
| vosotros | desilusionaríais | Llegado el caso, vosotros desilusionaríais a la clase con un trabajo a medias.If it came to that, you all would disappoint the class with half-finished work. |
| ellos | desilusionarían | En un día así, las promesas del candidato desilusionarían a todo el barrio antes de votar.On a day like that, the candidate's promises would disappoint the whole neighborhood before the vote. |
Conditional Perfect
| Pronoun | Form | Context |
|---|---|---|
| yo | habría desilusionado | En otro momento, yo habría desilusionado a mi hermano con una excusa floja.At another moment, I would have disappointed my brother with a weak excuse. |
| tú | habrías desilusionado | Con un poco más de margen, tú habrías desilusionado a tu hija al llegar tarde otra vez.With a little more margin, you would have disappointed your daughter by arriving late again. |
| él | habría desilusionado | A esas alturas, el final de la serie habría desilusionado a los fans que esperaban más.By then, the ending of the series would have disappointed the fans who expected more. |
| nosotros | habríamos desilusionado | Con ese giro, nosotros habríamos desilusionado a los invitados con comida escasa.With that turn, we would have disappointed the guests with too little food. |
| vosotros | habríais desilusionado | Llegados ahí, vosotros habríais desilusionado a la clase con un trabajo a medias.At that point, you all would have disappointed the class with half-finished work. |
| ellos | habrían desilusionado | En ese punto, las promesas del candidato habrían desilusionado a todo el barrio antes de votar.From there, the candidate's promises would have disappointed the whole neighborhood before the vote. |
Present Subjunctive
| Pronoun | Form | Context |
|---|---|---|
| yo | desilusione | Es mejor que yo desilusione a mi hermano con una excusa floja.It is better that I disappoint my brother with a weak excuse. |
| tú | desilusiones | Hace falta que tú desilusiones a tu hija al llegar tarde otra vez.It is necessary that you disappoint your daughter by arriving late again. |
| él | desilusione | Conviene que el final de la serie desilusione a los fans que esperaban más.It is wise that the ending of the series disappoint the fans who expected more. |
| nosotros | desilusionemos | Importa que nosotros desilusionemos a los invitados con comida escasa.It matters that we disappoint the guests with too little food. |
| vosotros | desilusionéis | Puede ser útil que vosotros desilusionéis a la clase con un trabajo a medias.It may help if you all disappoint the class with half-finished work. |
| ellos | desilusionen | Es posible que las promesas del candidato desilusionen a todo el barrio antes de votar.It is possible that the candidate's promises disappoint the whole neighborhood before the vote. |
Present Perfect Subjunctive
| Pronoun | Form | Context |
|---|---|---|
| yo | haya desilusionado | Ojalá yo haya desilusionado a mi hermano con una excusa floja.Hopefully I have disappointed my brother with a weak excuse. |
| tú | hayas desilusionado | Puede que tú ya hayas desilusionado a tu hija al llegar tarde otra vez.Maybe you already have disappointed your daughter by arriving late again. |
| él | haya desilusionado | Tal vez el final de la serie haya desilusionado a los fans que esperaban más.Perhaps the ending of the series has disappointed the fans who expected more. |
| nosotros | hayamos desilusionado | Quizá nosotros ya hayamos desilusionado a los invitados con comida escasa.Maybe we already have disappointed the guests with too little food. |
| vosotros | hayáis desilusionado | Es probable que vosotros hayáis desilusionado a la clase con un trabajo a medias.It is likely that you all have disappointed the class with half-finished work. |
| ellos | hayan desilusionado | Puede ser que las promesas del candidato ya hayan desilusionado a todo el barrio antes de votar.It may be that the candidate's promises already have disappointed the whole neighborhood before the vote. |
Imperfect Subjunctive
| Pronoun | Form | Context |
|---|---|---|
| yo | desilusionara | Si yo desilusionara a mi hermano con una excusa floja, se notaría enseguida.If I disappointed my brother with a weak excuse, it would show right away. |
| tú | desilusionaras | Si tú desilusionaras a tu hija al llegar tarde otra vez, costaría ocultarlo.If you disappointed your daughter by arriving late again, it would be hard to hide. |
| él | desilusionara | Si el final de la serie desilusionara a los fans que esperaban más, daría mucho que hablar.If the ending of the series disappointed the fans who expected more, it would give people plenty to talk about. |
| nosotros | desilusionáramos | Si nosotros desilusionáramos a los invitados con comida escasa, todo iría por otro lado.If we disappointed the guests with too little food, everything would go another way. |
| vosotros | desilusionarais | Si vosotros desilusionarais a la clase con un trabajo a medias, cambiaría el ambiente.If you all disappointed the class with half-finished work, the mood would change. |
| ellos | desilusionaran | Si las promesas del candidato desilusionaran a todo el barrio antes de votar, la escena sería otra.If the candidate's promises disappointed the whole neighborhood before the vote, the whole scene would be different. |
Past Perfect Subjunctive
| Pronoun | Form | Context |
|---|---|---|
| yo | hubiera desilusionado | Si yo hubiera desilusionado a mi hermano con una excusa floja, aún se recordaría.If I had disappointed my brother with a weak excuse, it would still be remembered. |
| tú | hubieras desilusionado | Si tú hubieras desilusionado a tu hija al llegar tarde otra vez, eso habría dejado marca.If you had disappointed your daughter by arriving late again, that would have left a mark. |
| él | hubiera desilusionado | Si el final de la serie hubiera desilusionado a los fans que esperaban más, todavía se hablaría de eso.If the ending of the series had disappointed the fans who expected more, people would still be talking about it. |
| nosotros | hubiéramos desilusionado | Si nosotros hubiéramos desilusionado a los invitados con comida escasa, el día habría seguido otro rumbo.If we had disappointed the guests with too little food, the day would have gone another way. |
| vosotros | hubierais desilusionado | Si vosotros hubierais desilusionado a la clase con un trabajo a medias, el cambio se habría notado antes.If you all had disappointed the class with half-finished work, the change would have shown earlier. |
| ellos | hubieran desilusionado | Si las promesas del candidato hubieran desilusionado a todo el barrio antes de votar, nada habría quedado igual.If the candidate's promises had disappointed the whole neighborhood before the vote, nothing would have stayed the same. |
Future Subjunctive
| Pronoun | Form | Context |
|---|---|---|
| yo | desilusionare | Si yo desilusionare a mi hermano con una excusa floja, se notará enseguida.If I disappoint my brother with a weak excuse, it will show right away. |
| tú | desilusionares | Si tú desilusionares a tu hija al llegar tarde otra vez, costará ignorarlo.If you disappoint your daughter by arriving late again, it will be hard to ignore. |
| él | desilusionare | Si el final de la serie desilusionare a los fans que esperaban más, dará mucho que hablar.If the ending of the series disappoints the fans who expected more, it will give people plenty to talk about. |
| nosotros | desilusionáremos | Si nosotros desilusionáremos a los invitados con comida escasa, todo irá por otro camino.If we disappoint the guests with too little food, everything will go another way. |
| vosotros | desilusionareis | Si vosotros desilusionareis a la clase con un trabajo a medias, el ambiente cambiará rápido.If you all disappoint the class with half-finished work, the mood will change fast. |
| ellos | desilusionaren | Si las promesas del candidato desilusionaren a todo el barrio antes de votar, la escena será distinta.If the candidate's promises disappoint the whole neighborhood before the vote, the whole scene will be different. |
Future Perfect Subjunctive
| Pronoun | Form | Context |
|---|---|---|
| yo | hubiere desilusionado | Cuando yo hubiere desilusionado a mi hermano con una excusa floja, ya se notará.When I have disappointed my brother with a weak excuse, it will already show. |
| tú | hubieres desilusionado | En cuanto tú hubieres desilusionado a tu hija al llegar tarde otra vez, será difícil no verlo.As soon as you have disappointed your daughter by arriving late again, it will be hard not to see. |
| él | hubiere desilusionado | Cuando el final de la serie hubiere desilusionado a los fans que esperaban más, se verá de inmediato.When the ending of the series has disappointed the fans who expected more, it will show at once. |
| nosotros | hubiéremos desilusionado | Si para entonces nosotros hubiéremos desilusionado a los invitados con comida escasa, todo irá de otra manera.If by then we have disappointed the guests with too little food, everything will move differently. |
| vosotros | hubiereis desilusionado | Cuando vosotros hubiereis desilusionado a la clase con un trabajo a medias, el ambiente sonará distinto.When you all have disappointed the class with half-finished work, the mood will sound different. |
| ellos | hubieren desilusionado | En cuanto las promesas del candidato hubieren desilusionado a todo el barrio antes de votar, el cambio quedará claro.As soon as the candidate's promises have disappointed the whole neighborhood before the vote, the change will be clear. |
Affirmative Imperative
| Pronoun | Form | Context |
|---|---|---|
| yo | - | - |
| tú | desilusiona | desilusiona a tu hija al llegar tarde otra vez.Disappoint your daughter by arriving late again. |
| él | desilusione | Que el final de la serie desilusione a los fans que esperaban más.Let the ending of the series disappoint the fans who expected more. |
| nosotros | desilusionemos | desilusionemos a los invitados con comida escasa.Disappoint the guests with too little food. |
| vosotros | desilusionad | desilusionad a la clase con un trabajo a medias.Disappoint the class with half-finished work. |
| ellos | desilusionen | Que las promesas del candidato desilusionen a todo el barrio antes de votar.Let the candidate's promises disappoint the whole neighborhood before the vote. |
Negative Imperative
| Pronoun | Form | Context |
|---|---|---|
| yo | - | - |
| tú | no desilusiones | No no desilusiones a tu hija al llegar tarde otra vez.Do not disappoint your daughter by arriving late again. |
| él | no desilusione | Que el final de la serie no no desilusione a los fans que esperaban más.Let the ending of the series not disappoint the fans who expected more. |
| nosotros | no desilusionemos | No no desilusionemos a los invitados con comida escasa.Let us not disappoint the guests with too little food. |
| vosotros | no desilusionéis | No no desilusionéis a la clase con un trabajo a medias.Do not disappoint the class with half-finished work. |
| ellos | no desilusionen | Que las promesas del candidato no no desilusionen a todo el barrio antes de votar.Let the candidate's promises not disappoint the whole neighborhood before the vote. |
1 / 1
Yo ___ a mi hermano con una excusa floja.
I disappoint my brother with a weak excuse.
Use Presente for facts, habits, current states, and regular actions.
Formation
Pattern
Examples
Presente is the base system. Master the endings first, then handle irregular yo forms and stem changes.
Concepts that come up every time you conjugate desilusionar. Each is a short, focused guide.
Short, direct answers to what learners search most about desilusionar.
Continue with verbs that share the same ending and difficulty band.