Ella VerbsHow to conjugate Fundarse in Spanish
fundarse to be based on, to be founded Regular AR Verb
At a glance: Fundarse (to be based on, to be founded) is a reflexive regular -AR verb in Spanish. In the present tense: me fundo, te fundas, se funda, nos fundamos, os fundáis, se fundan. Because it is fully regular, its endings apply directly to hundreds of other -AR verbs.
- Past participle
- fundado been based on
- Gerund
- fundando being based on
- Similar
- basarse
Table of contents
- Indicative tenses of Fundarse
- Fundarse in the Indicative Present
- Fundarse in the Indicative Preterite
- Fundarse in the Indicative Imperfect
- Fundarse in the Indicative Present Continuous
- Fundarse in the Indicative Informal Future
- Fundarse in the Indicative Future
- Fundarse in the Indicative Conditional
- Fundarse in the Indicative Present Perfect
- Fundarse in the Indicative Past Perfect
- Fundarse in the Indicative Future Perfect
- Fundarse in the Indicative Conditional Perfect
- Subjunctive tenses of Fundarse
- Imperative tenses of Fundarse
- Verbs that follow the same patterns
- Frequently asked questions
- Downloadable cheat sheet (PDF)
- Practise Fundarse conjugations (free mobile app)
Fundarse conjugation tables as a PDF
A printable two-page cheat sheet, sent to your inbox.
Indicative tenses of Fundarse
Fundarse in the Indicative Present
The Indicative Present of fundarse 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, “me fundo”, meaning “I am based on”.
In Spanish, the Indicative Present is known as "El Presente".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me fundo | I am based on |
| Tú | te fundas | you are based on |
| Ella / Él / Usted | se funda | s/he is based on |
| Nosotras / Nosotros | nos fundamos | we are based on |
| Vosotras / Vosotros | os fundáis | you (plural) are based on |
| Ellas / Ellos / Ustedes | se fundan | they are based on |
How it’s built: Regular: stem fund- plus the -ar endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Preterite
The Indicative Preterite of fundarse is used to talk about actions completed in the past, at a specific point in time. For example, “me fundé”, meaning “I was based on”.
In Spanish, the Indicative Preterite is known as "El Pretérito Indefinido".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me fundé | I was based on |
| Tú | te fundaste | you were based on |
| Ella / Él / Usted | se fundó | s/he was based on |
| Nosotras / Nosotros | nos fundamos | we were based on |
| Vosotras / Vosotros | os fundasteis | you (plural) were based on |
| Ellas / Ellos / Ustedes | se fundaron | they were based on |
How it’s built: Regular: stem fund- plus the -ar endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Imperfect
The Indicative Imperfect of fundarse is used to describe regular and repeated actions that happened in the past and descriptions of things you used to do. For example, “me fundaba”, meaning “I used to be based on”.
In Spanish, the Indicative Imperfect is known as "El Pretérito Imperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me fundaba | I used to be based on |
| Tú | te fundabas | you used to be based on |
| Ella / Él / Usted | se fundaba | s/he used to be based on |
| Nosotras / Nosotros | nos fundábamos | we used to be based on |
| Vosotras / Vosotros | os fundabais | you (plural) used to be based on |
| Ellas / Ellos / Ustedes | se fundaban | they used to be based on |
How it’s built: Regular: stem fund- plus the -ar endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Present Continuous
The Indicative Present Continuous of fundarse is used to talk about something that is happening continuously or right now. For example, “me estoy fundando”, meaning “I am being based on”.
In Spanish, the Indicative Present Continuous is known as "El Presente Progresivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me estoy fundando | I am being based on |
| Tú | te estás fundando | you are being based on |
| Ella / Él / Usted | se está fundando | s/he is being based on |
| Nosotras / Nosotros | nos estamos fundando | we are being based on |
| Vosotras / Vosotros | os estáis fundando | you (plural) are being based on |
| Ellas / Ellos / Ustedes | se están fundando | they are being based on |
How it’s built: Estar in the present (estoy, estás, está, estamos, estáis, están) plus the gerund fundando. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Informal Future
The Indicative Informal Future of fundarse is used to talk about something that will happen in the future, especially in the near future. For example, “me voy a fundar”, meaning “I am going to be based on”.
In Spanish, the Indicative Informal Future is known as "El Futuro Próximo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me voy a fundar | I am going to be based on |
| Tú | te vas a fundar | you are going to be based on |
| Ella / Él / Usted | se va a fundar | s/he is going to be based on |
| Nosotras / Nosotros | nos vamos a fundar | we are going to be based on |
| Vosotras / Vosotros | os vais a fundar | you (plural) are going to be based on |
| Ellas / Ellos / Ustedes | se van a fundar | they are going to be based on |
How it’s built: Ir in the present (voy, vas, va, vamos, vais, van), then a, then the infinitive fundar. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Future
The Indicative Future of fundarse is used to talk about something that will happen in the future. For example, “me fundaré”, meaning “I will be based on”.
In Spanish, the Indicative Future is known as "El Futuro Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me fundaré | I will be based on |
| Tú | te fundarás | you will be based on |
| Ella / Él / Usted | se fundará | s/he will be based on |
| Nosotras / Nosotros | nos fundaremos | we will be based on |
| Vosotras / Vosotros | os fundaréis | you (plural) will be based on |
| Ellas / Ellos / Ustedes | se fundarán | they will be based on |
How it’s built: Regular: the infinitive fundar plus the future endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Conditional
The Indicative Conditional of fundarse is used to talk about something that may happen in the future, hypothesis and probabilities. For example, “me fundaría”, meaning “I would be based on”.
In Spanish, the Indicative Conditional is known as "El Condicional Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me fundaría | I would be based on |
| Tú | te fundarías | you would be based on |
| Ella / Él / Usted | se fundaría | s/he would be based on |
| Nosotras / Nosotros | nos fundaríamos | we would be based on |
| Vosotras / Vosotros | os fundaríais | you (plural) would be based on |
| Ellas / Ellos / Ustedes | se fundarían | they would be based on |
How it’s built: Regular: the infinitive fundar plus the conditional endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Present Perfect
The Indicative Present Perfect of fundarse 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, “me he fundado”, meaning “I have been based on”.
In Spanish, the Indicative Present Perfect is known as "El Pretérito Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me he fundado | I have been based on |
| Tú | te has fundado | you have been based on |
| Ella / Él / Usted | se ha fundado | s/he has been based on |
| Nosotras / Nosotros | nos hemos fundado | we have been based on |
| Vosotras / Vosotros | os habéis fundado | you (plural) have been based on |
| Ellas / Ellos / Ustedes | se han fundado | they have been based on |
How it’s built: Haber in the present (he, has, ha, hemos, habéis, han) plus the past participle fundado. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Past Perfect
The Indicative Past Perfect of fundarse is used to talk about actions that happened before another action in the past. For example, “me había fundado”, meaning “I had been based on”.
In Spanish, the Indicative Past Perfect is known as "El Pretérito Pluscuamperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me había fundado | I had been based on |
| Tú | te habías fundado | you had been based on |
| Ella / Él / Usted | se había fundado | s/he had been based on |
| Nosotras / Nosotros | nos habíamos fundado | we had been based on |
| Vosotras / Vosotros | os habíais fundado | you (plural) had been based on |
| Ellas / Ellos / Ustedes | se habían fundado | they had been based on |
How it’s built: Haber in the imperfect (había, habías, había, habíamos, habíais, habían) plus the past participle fundado. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Future Perfect
The Indicative Future Perfect of fundarse is used to talk about something that will have happened in the future after something else has already happened. For example, “me habré fundado”, meaning “I will have been based on”.
In Spanish, the Indicative Future Perfect is known as "El Futuro Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me habré fundado | I will have been based on |
| Tú | te habrás fundado | you will have been based on |
| Ella / Él / Usted | se habrá fundado | s/he will have been based on |
| Nosotras / Nosotros | nos habremos fundado | we will have been based on |
| Vosotras / Vosotros | os habréis fundado | you (plural) will have been based on |
| Ellas / Ellos / Ustedes | se habrán fundado | they will have been based on |
How it’s built: Haber in the future (habré, habrás, habrá, habremos, habréis, habrán) plus the past participle fundado. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse in the Indicative Conditional Perfect
The Indicative Conditional Perfect of fundarse is used to talk about something that would have happened in the past but didn’t due to another action. For example, “me habría fundado”, meaning “I would have been based on”.
In Spanish, the Indicative Conditional Perfect is known as "El Condicional Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me habría fundado | I would have been based on |
| Tú | te habrías fundado | you would have been based on |
| Ella / Él / Usted | se habría fundado | s/he would have been based on |
| Nosotras / Nosotros | nos habríamos fundado | we would have been based on |
| Vosotras / Vosotros | os habríais fundado | you (plural) would have been based on |
| Ellas / Ellos / Ustedes | se habrían fundado | they would have been based on |
How it’s built: Haber in the conditional (habría, habrías, habría, habríamos, habríais, habrían) plus the past participle fundado. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Subjunctive tenses of Fundarse
Fundarse 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, “me funde”, meaning “I am based on”.
In Spanish, the Subjunctive Present is known as "El Presente de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me funde | I am based on |
| Tú | te fundes | you are based on |
| Ella / Él / Usted | se funde | s/he is based on |
| Nosotras / Nosotros | nos fundemos | we are based on |
| Vosotras / Vosotros | os fundéis | you (plural) are based on |
| Ellas / Ellos / Ustedes | se funden | they are based on |
How it’s built: Regular: stem fund- plus the -ar subjunctive endings. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse 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, “me fundara”, meaning “I were based on”.
In Spanish, the Subjunctive Imperfect is known as "El Imperfecto Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me fundara | I were based on |
| Tú | te fundaras | you were based on |
| Ella / Él / Usted | se fundara | s/he were based on |
| Nosotras / Nosotros | nos fundáramos | we were based on |
| Vosotras / Vosotros | os fundarais | you (plural) were based on |
| Ellas / Ellos / Ustedes | se fundaran | they were based on |
How it’s built: Regular: the ellas/ellos preterite, fundaron, without -ron, plus the -ra endings; nosotros adds an accent (fundáramos). The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse 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, “me fundare”, meaning “I will be based on”.
In Spanish, the Subjunctive Future is known as "El Futuro de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me fundare | I will be based on |
| Tú | te fundares | you will be based on |
| Ella / Él / Usted | se fundare | s/he will be based on |
| Nosotras / Nosotros | nos fundáremos | we will be based on |
| Vosotras / Vosotros | os fundareis | you (plural) will be based on |
| Ellas / Ellos / Ustedes | se fundaren | they will be based on |
How it’s built: Regular: the ellas/ellos preterite, fundaron, without -ron, plus the -re endings; nosotros adds an accent (fundáremos). The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse 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, “me haya fundado”, meaning “I have been based on”.
In Spanish, the Subjunctive Present Perfect is known as "El Pretérito Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me haya fundado | I have been based on |
| Tú | te hayas fundado | you have been based on |
| Ella / Él / Usted | se haya fundado | s/he has been based on |
| Nosotras / Nosotros | nos hayamos fundado | we have been based on |
| Vosotras / Vosotros | os hayáis fundado | you (plural) have been based on |
| Ellas / Ellos / Ustedes | se hayan fundado | they have been based on |
How it’s built: Haber in the subjunctive present (haya, hayas, haya, hayamos, hayáis, hayan) plus the past participle fundado. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse 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, “me hubiera fundado”, meaning “I had been based on”.
In Spanish, the Subjunctive Past Perfect is known as "El Pretérito Pluscuamperfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me hubiera fundado | I had been based on |
| Tú | te hubieras fundado | you had been based on |
| Ella / Él / Usted | se hubiera fundado | s/he had been based on |
| Nosotras / Nosotros | nos hubiéramos fundado | we had been based on |
| Vosotras / Vosotros | os hubierais fundado | you (plural) had been based on |
| Ellas / Ellos / Ustedes | se hubieran fundado | they had been based on |
How it’s built: Haber in the subjunctive imperfect (hubiera, hubieras, hubiera, hubiéramos, hubierais, hubieran) plus the past participle fundado. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Fundarse 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, “me hubiere fundado”, meaning “I will have been based on”.
In Spanish, the Subjunctive Future Perfect is known as "El Futuro Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | me hubiere fundado | I will have been based on |
| Tú | te hubieres fundado | you will have been based on |
| Ella / Él / Usted | se hubiere fundado | s/he will have been based on |
| Nosotras / Nosotros | nos hubiéremos fundado | we will have been based on |
| Vosotras / Vosotros | os hubiereis fundado | you (plural) will have been based on |
| Ellas / Ellos / Ustedes | se hubieren fundado | they will have been based on |
How it’s built: Haber in the subjunctive future (hubiere, hubieres, hubiere, hubiéremos, hubiereis, hubieren) plus the past participle fundado. The reflexive pronoun (me, te, se, nos, os, se) goes in front.
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Imperative tenses of Fundarse
Fundarse in the Imperative Affirmative
The Imperative Affirmative is used to give orders and commands, to tell someone to do something. For example, “fúndese”, meaning “(to you formal) be based on!”.
In Spanish, the Imperative Affirmative is known as "El Imperativo Afirmativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | fúndate | (to you) be based on! |
| Ella / Él / Usted | fúndese | (to you formal) be based on! |
| Nosotras / Nosotros | fundémonos | let's be based on! |
| Vosotras / Vosotros | fundaos | (to you plural) be based on! |
| Ellas / Ellos / Ustedes | fúndense | (to you plural formal) be based on! |
How it’s built: Tú takes the ella/él present and attaches te (fúndate); usted and ustedes take the subjunctive present and attach se (fúndese, fúndense); nosotros takes the subjunctive present, drops the s and attaches nos (fundémonos); vosotros drops the final r of the infinitive and attaches os (fundaos).
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Fundarse in the Imperative Negative
The Imperative Negative is used to give orders and commands, telling someone not to do something. For example, “no se funde”, meaning “(to you formal) don't be based on!”.
In Spanish, the Imperative Negative is known as "El Imperativo Negativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | no te fundes | (to you) don't be based on! |
| Ella / Él / Usted | no se funde | (to you formal) don't be based on! |
| Nosotras / Nosotros | no nos fundemos | let's not be based on! |
| Vosotras / Vosotros | no os fundéis | (to you plural) don't be based on! |
| Ellas / Ellos / Ustedes | no se funden | (to you plural formal) don't be based on! |
How it’s built: No plus the subjunctive present: no te fundes, no se funde, no nos fundemos, no os fundéis, no se funden.
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Frequently asked questions about Fundarse
Is fundarse a regular or irregular verb?
Fundarse is a fully regular -AR reflexive 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 fundarse in the present tense (presente)?
In the present tense (presente), fundarse is conjugated as: yo me fundo, tú te fundas, él/ella/usted se funda, nosotros nos fundamos, vosotros os fundáis, ellos/ellas/ustedes se fundan. 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 fundarse in the preterite (pretérito indefinido)?
In the preterite (pretérito indefinido), fundarse is conjugated as: yo me fundé, tú te fundaste, él/ella/usted se fundó, nosotros nos fundamos, vosotros os fundasteis, ellos/ellas/ustedes se fundaron. The preterite is used To talk about actions completed in the past, at a specific point in time.
How do you conjugate fundarse in the imperfect (pretérito imperfecto)?
In the imperfect (pretérito imperfecto), fundarse is conjugated as: yo me fundaba, tú te fundabas, él/ella/usted se fundaba, nosotros nos fundábamos, vosotros os fundabais, ellos/ellas/ustedes se fundaban. 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 fundarse in the future tense (futuro simple)?
In the future tense (futuro simple), fundarse is conjugated as: yo me fundaré, tú te fundarás, él/ella/usted se fundará, nosotros nos fundaremos, vosotros os fundaréis, ellos/ellas/ustedes se fundarán. The future tense is used To talk about something that will happen in the future.
How do you conjugate fundarse in the present subjunctive (subjuntivo presente)?
In the present subjunctive (subjuntivo presente), fundarse is conjugated as: yo me funde, tú te fundes, él/ella/usted se funde, nosotros nos fundemos, vosotros os fundéis, ellos/ellas/ustedes se funden. 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.
What’s the difference between fundar and fundarse?
Fundar means ‘to found, to establish’ and fundarse means ‘to be based on, to be founded’. Fundarse is the reflexive form of fundar, so it always takes a reflexive pronoun – me, te, se, nos, os or se – that matches the subject. The verb itself is conjugated the same way: in the present tense, yo fundo becomes me fundo. In the affirmative tú imperative the pronoun attaches to the end of the verb, so funda becomes fúndate.
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Want to explore other verb conjugations?
Why not check out Ganar – to win, to gain, to earn or see the complete list of verbs here.
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