How to conjugate desayunar in Spanish

desayunar in Spanish means to eat breakfast, 

desayunar is a regular verb. That means this verb does follow the traditional conjugation patterns in all verb tenses. 

Let’s learn how to conjugate the verb desayunar so you can use it comfortably in all tenses. 

desayunar in the Present Tense

The present tense is used to talk about actions or events happening now. 

The verb desayunar is regular in the present tense. 

The verb desayunar is what we call an -ar verb. -ar verbs are verbs that end in -ar. Regular -ar verbs are conjugated by following 2 major rules. 

1. Take off the -ar
2. Replace with a new ending depending on who performs the action. 

To review -ar verbs watch my -ar verbs video: 

Just in case you need to review conjugation of -er and -ir verbs, Click for Page: 

Below you will find the conjugations of the verb desayunar in the indicative present tense:

Pronoun	Spanish	English
Yo	desayuno	I eat breakfast
Tú	desayunas	you eat breakfast
Él / Ella / Usted (Ud.)	desayuna	he/she eat breakfastes, you (formal) eat breakfastes
Nosotros (as)	desayunamos	we eat breakfast
Vosotros (as)	desayunaís	you (plural) Spain eat breakfast
Ellas / Ellos / Ustedes (Uds.)	desayunan	they eat breakfast, you (plural) eat breakfast

desayunar in the Preterite Tense

The preterite is used to talk about actions that have already been completed. These actions have a clear beginning or ending. The preterite tense is often used with phrases that give a specific time frame.  More on the Preterite Tense Here

Things to remember: 

1. The preterite is NOT used to describe actions or events that are repeated or continuous in the past. That means that those actions do not have a clear beginning or end. 
2. The preterite is NOT used to describe people in the past.

The verb desayunar is Regular in the preterite. That means it does follow the pattern of regular -ar verbs in the preterite. To review -ar verbs watch my -ar verbs video:  https://youtu.be/Pi5rlDOeOnM 

Below you will find the conjugations of the verb desayunar in the preterite tense:

Pronoun	Spanish	English
Yo	desayuné	I eaten breakfast
Tú	desayunaste	you eaten breakfast
Él / Ella / Usted (Ud.)	desayunó	he/she eaten breakfast, you (formal) eaten breakfast
Nosotros (as)	desayunamos	we eaten breakfast
Vosotros (as)	desayunasteis	you (plural) Spain eaten breakfast
Ellas / Ellos / Ustedes (Uds.)	desayunaron	they eaten breakfast, you (plural) eaten breakfast

Below are some expressions that are often used when using the preterite:

la semana pasada	last week
el mes pasado	last month
el fin de semana pasado	last weekend
el año pasado	last year
ayer	yesterday
anteayer	the day before yesterday
anoche	last night

desayunar in the Imperfect Tense

The imperfect is a form of past tense. It is primarily used to talk about continuous, repeated, usual or habitual actions in the past. It can also be used to talk about what someone or something was like in the past, what someone used to be or used to do. The imperfect is used when actions don’t have a specific beginning or end. 

The verb desayunar is regular in the imperfect tense. 

The verb desayunar is what we call an -ar verb. -ar verbs are verbs that end in -ar. Regular -ar verbs are conjugated by following 2 major rules. 

1. Take off the -ar
2. Replace with a new ending depending on who performs the action. 

To review how to conjugate -ar verbs in the imperfect watch my video: Click for Video 

To review how to conjugate -er and -ir verbs in the imperfect watch my video: Click for Video 

Below you will find the conjugations of the verb desayunar in the imperfect tense:

Pronoun	Spanish	English
Yo	desayunaba	I used to eat breakfast
Tú	desayunabas	you used to eat breakfast
Él / Ella / Usted (Ud.)	desayunaba	he/she used to eat breakfast, you (formal) used to eat breakfast
Nosotros (as)	desayunábamos	we used to eat breakfast
Vosotros (as)	desayunabais	you (plural) Spain used to eat breakfast
Ellas / Ellos / Ustedes (Uds.)	desayunaban	they used to eat breakfast, you (plural) used to eat breakfast

Below are some expressions that are often used when using the Imperfect:

a menudo	often
usualmente	usually
todos los días	every day
todos los meses	every month
todos los años	every year
casi siempre	almost always
a veces	sometimes
de niño/niña	as a child …
siempre	always
normalmente	normally

desayunar in the Future Tense

The future is used to talk about an action or event that will happen in the future. 

The verb desayunar is regular in the future tense. 

To form the future tense of regular -ar, -er and -ir verbs add the following endings to the verb in the infinitive (verbs that have not been conjugated and end in -ar, -er, -ir). The verb desayunar is in its purest form (it has not been conjugated) it’s in the infinitive.  

The verb desayunar is what we call an -ar verb. -ar verbs are verbs that end in -ar. To conjugate desayunar in the future, follow these two rules: 

1. Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case desayunar.
2. Then attach the ending to the end of the infinitive. The ending depends on who is performing the action. 

Yo	é
Tú	ás
Él / Ella / Usted (Ud.)	á
Nosotros (as)	emos
Vosotros (as)	éis
Ellas / Ellos / Ustedes (Uds.)	án

Below you will find the conjugations of the verb desayunar using the future tense:

Pronoun	Spanish	English
Yo	desayunaré	I will eat breakfast
Tú	desayunarás	you will eat breakfast
Él / Ella / Usted (Ud.)	desayunará	he/she will eat breakfast, you (formal) will eat breakfast
Nosotros (as)	desayunaremos	we will eat breakfast
Vosotros (as)	desayunaréis	you (plural) Spain will eat breakfast
Ellas / Ellos / Ustedes (Uds.)	desayunarán	they will eat breakfast, you (plural) will eat breakfast

desayunar in the Informal Future Tense

The informal future is used to talk about an action or event that is going to take place in the near future. To form the informal future, you must use the correct form of the verb ir (to go) + a + the verb in the infinitive. 

The verb desayunar is regular in the informal future tense. 

Follow this rule:

1. Ir (conjugated) + a + infinitive (verb that ends in -ar, -er, -ir and has not been conjugated).  Example : Yo voy a desayunar 

The conjugation of the verb ir (to go) in the present tense are:

Yo	voy
Tú	vas
Él / Ella / Usted (Ud.)	va
Nosotros (as)	vamos
Vosotros (as)	vais
Ellas / Ellos / Ustedes (Uds.)	van

To review how to conjugate the informal future watch my video: Click for Video 

Below you will find the conjugations of the verb desayunar using the informal future:

Pronoun	Spanish	English
Yo	voy a desayunar	I will eat breakfast
Tú	vas a desayunar	you will eat breakfast
Él / Ella / Usted (Ud.)	va a desayunar	he/she will eat breakfast, you (formal) will eat breakfast
Nosotros (as)	vamos a desayunar	we will eat breakfast
Vosotros (as)	vais a desayunar	you (plural) Spain will eat breakfast
Ellas / Ellos / Ustedes (Uds.)	van a desayunar	they will eat breakfast, you (plural) will eat breakfast

desayunar in the Present Progressive Tense.

The present progressive is used to talk about actions or events happening now. In other words, we use the present progressive to talk about actions that are in the process of happening at the current moment. 

The verb desayunar is regular in the present progressive tense. 

The present progressive is formed by using the correct form of the verb estar (to be) plus the present participle (-ing form of a verb). 

To form the present participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ando for -ar verbs
4. Add -iendo for -er and –ir verbs

The conjugations of the verb estar in the present tense are:

Yo	estoy
Tú	estás
Él / Ella / Usted (Ud.)	está
Nosotros (as)	estamos
Vosotros (as)	estáis
Ellas / Ellos / Ustedes (Uds.)	están

The present participle of the verb desayunar is: desayunando

To review the present progressive and present participles in Spanish, watch my Present Progressive Video:Click for Video 

Just in case you need to review the verb estar, watch my Estar video: Click for Video 

Below you will find the conjugations of the verb desayunar using the present progressive:

Pronoun	Spanish	English
Yo	estoy desayunando	I am eating breakfast
Tú	estás desayunando	you are eating breakfast
Él / Ella / Usted (Ud.)	está desayunando	he/she is eating breakfast, you (formal) are eating breakfast
Nosotros (as)	estamos desayunando	we are eating breakfast
Vosotros (as)	estáis desayunando	you (plural) Spain are eating breakfast
Ellas / Ellos / Ustedes (Uds.)	están desayunando	they are eating breakfast, you (plural) are eating breakfast

desayunar in the Conditional Tense

The conditional tense is used to talk about actions or events that may happen in the future. Think of it as a possibility, a hypothesis, a probability. 

The verb desayunar is regular in the conditional tense. 

The verb desayunar is what we call an -ar verb. -ar verbs are verbs that end in -ar. To conjugate desayunar in the conditional tense follow these two rules: 

1. Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case desayunar.
2. Then attach the ending to the end of the infinitive. The ending depends on who is performing the action. 

To form the conditional of a verb add the following endings to the infinitive of the verb: 

Yo	ía
Tú	ías
Él / Ella / Usted (Ud.)	ía
Nosotros (as)	íamos
Vosotros (as)	íais
Ellas / Ellos / Ustedes (Uds.)	ían

The infinitive of the verb desayunar is desayunar. 

Below you will find the conjugations of the verb desayunar using the conditional tense:

Pronoun	Spanish	English
Yo	desayunaría	I would eat breakfast
Tú	desayunarías	you would eat breakfast
Él / Ella / Usted (Ud.)	desayunaría	he/she would eat breakfast, you (formal) would eat breakfast
Nosotros (as)	desayunaríamos	we would eat breakfast
Vosotros (as)	desayunarías	you (plural) Spain would eat breakfast
Ellas / Ellos / Ustedes (Uds.)	desayunarían	they would eat breakfast, you (plural)would eat breakfast

desayunar in the Present Perfect Tense

The present perfect is used to talk about actions or events that have started recently (in the past) and are still happening. It can also be used to talk about things that have been done recently or to describe experiences a person has had in their lives. 

The verb desayunar is regular in the conditional tense. 

To form the present perfect tense, you must use the helping verb “haber” in the present tense. This will let us know who has performed the action. Then, we add the past participle of the verb. 

The conjugations of haber in the present tense are:

Yo	he
Tú	has
Él / Ella / Usted (Ud.)	ha
Nosotros (as)	hemos
Vosotros (as)	habéis
Ellas / Ellos / Ustedes (Uds.)	han

To form the past participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ado for -ar verbs
4. Add -ido for -er and –ir verbs

To summarize. Correct form of haber in the present + past participle = present perfect. 

Below you will find the conjugations of the verb desayunar in the present perfect:

Pronoun	Spanish	English
Yo	he desayunado	I have eaten breakfast
Tú	has desayunado	you have eaten breakfast
Él / Ella / Usted (Ud.)	ha desayunado	he/she have eaten breakfast, you (formal) have eaten breakfast
Nosotros (as)	hemos desayunado	we have eaten breakfast
Vosotros (as)	habéis desayunado	you (plural) Spain have eaten breakfast
Ellas / Ellos / Ustedes (Uds.)	han desayunado	they have eaten breakfast, you (plural) have eaten breakfast

desayunar in the Past Perfect Tense (Pretérito Pluscuamperfecto) 

The past perfect is used to talk about actions or events that happened before. It is widely used to describe a series of events and it comes in handy to tell stories. 

The verb desayunar is regular in the past perfect tense. 

To form the past perfect you must use the verb haber in the imperfect. This will let us know who has performed the action. 

The conjugations of haber in the imperfect tense are:

Yo	había
Tú	habías
Él / Ella / Usted (Ud.)	había
Nosotros (as)	habíamos
Vosotros (as)	habíais
Ellas / Ellos / Ustedes (Uds.)	habían

Then, we add the past participle of the verb. In this case desayunar. 

To form the past participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ado for -ar verbs
4. Add -ido for -er and –ir verbs

To summarize. Use the correct form of haber in the imperfect + past participle = past perfect. 

Below you will find the conjugations of the verb desayunar in the past perfect:

Pronoun	Spanish	English
Yo	había desayunado	I had eaten breakfast
Tú	habías desayunado	you had eaten breakfast
Él / Ella / Usted (Ud.)	había desayunado	he/she had eaten breakfast, you (formal) had eaten breakfast
Nosotros (as)	habíamos desayunado	we had eaten breakfast
Vosotros (as)	habíais desayunado	you (plural) Spain had eaten breakfast
Ellas / Ellos / Ustedes (Uds.)	habíain desayunado	they had eaten breakfast, you (plural) had eaten breakfast

desayunar in the Future Perfect Tense

The future perfect is used to talk about something that hasn’t happened yet but is predicted to take place. It is used to describe what will have happened in the future.

The verb desayunar is regular in the future perfect tense. 

To form the future perfect you must use the verb haber in the simple future tense. This will let us know who has performed the action. 

The conjugations of haber in the future tense are:

Yo	habré
Tú	habrás
Él / Ella / Usted (Ud.)	habrá
Nosotros (as)	habremos
Vosotros (as)	habréis
Ellas / Ellos / Ustedes (Uds.)	habrán

Then, we add the past participle of the verb. In this case desayunar. To form the past participle, you simply add the appropriate ending to the stem of the verb. 

To form the past participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ado for -ar verbs
4. Add -ido for -er and –ir verbs

To summarize. Correct form of haber in the simple future tense + past participle = future perfect. 

Below you will find the conjugations of the verb desayunar in the future perfect:

Pronoun	Spanish	English
Yo	habré desayunado	I will have eaten breakfast
Tú	habrás desayunado	you will have eaten breakfast
Él / Ella / Usted (Ud.)	habrá desayunado	he/she will have eaten breakfast, you (formal) will have eaten breakfast
Nosotros (as)	habremos desayunado	we will have eaten breakfast
Vosotros (as)	habréis desayunado	you (plural) Spain will have eaten breakfast
Ellas / Ellos / Ustedes (Uds.)	habrán desayunado	they will have eaten breakfast, you (plural) will have eaten breakfast

desayunar in the Conditional Perfect Tense

The conditional perfect is used to talk about an action or event that would have happened in the past but didn’t take place due to another action happening. It is used to express possibility in the past. Basically think of it as actions that could or would have taken place if … 

The verb desayunar is regular in the conditional perfect tense. 

To form the conditional perfect you must use the verb haber in the conditional. This will let us know who has performed the action.

The conjugations of haber in the conditional tense are:

Yo	habría
Tú	habrías
Él / Ella / Usted (Ud.)	habría
Nosotros (as)	habríamos
Vosotros (as)	habríais
Ellas / Ellos / Ustedes (Uds.)	habrían

 Then, we add the past participle of the verb. In this case desayunar. To form the past participle, you simply add the appropriate ending to the stem of the verb. 

To form the past participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ado for -ar verbs
4. Add -ido for -er and –ir verbs

Below you will find the conjugations of the verb desayunar in the conditional perfect:

Pronoun	Spanish	English
Yo	habría desayunado	I would have eaten breakfast
Tú	habrías desayunado	you would have eaten breakfast
Él / Ella / Usted (Ud.)	habría desayunado	he/she would have eaten breakfast, you (formal) would have eaten breakfast
Nosotros (as)	habríamos desayunado	we would have eaten breakfast
Vosotros (as)	habríais desayunado	you (plural) Spain will would eaten breakfast
Ellas / Ellos / Ustedes (Uds.)	habrían desayunado	they would have eaten breakfast, you (plural) would have eaten breakfast

desayunar in the Subjunctive Present Tense

The Subjunctive present is used to talk about situations of uncertainty. For example emotions such as wishes, desires and hopes. The main difference between the subjunctive and the indicative mode is that the subjunctive is uncertain, hypothetical or not real. 

The verb desayunar is Regular in the subjunctive present form. 

To form the subjunctive present of most verbs, you must take off the -o endings of the yo form of the present simple and then add a new ending based on who is performing the action.

Subjunctive present endings for -ar:

Yo	e
Tú	es
Él / Ella / Usted (Ud.)	e
Nosotros (as)	emos
Vosotros (as)	éis
Ellas / Ellos / Ustedes (Uds.)	en

Subjunctive present endings for -er and -ir verbs: 

Yo	a
Tú	as
Él / Ella / Usted (Ud.)	as
Nosotros (as)	amos
Vosotros (as)	áis
Ellas / Ellos / Ustedes (Uds.)	an

Below you will find the conjugations of the verb desayunar in the subjunctive present:

Pronoun	Spanish	English
Yo	desayune	I may eat breakfast
Tú	desayunes	you may eat breakfast
Él / Ella / Usted (Ud.)	desayune	he/she may eat breakfast, you (formal) may eat breakfast
Nosotros (as)	desayunemos	we may eat breakfast
Vosotros (as)	desayunéis	you (plural) Spain may eat breakfast
Ellas / Ellos / Ustedes (Uds.)	desayunen	they may eat breakfast, you (plural) may eat breakfast

desayunar in the Subjunctive Imperfect Tense

The subjunctive imperfect is used to talk about situations of uncertainty in the past. For example emotions such as wishes, desires and hopes in the past. It is also used to express politeness or deference, primarily when making a request. 

The verb desayunar is regular in the subjunctive imperfect tense. 

To form the subjunctive imperfect find the ellos/ellas form of the verb in the preterite, take off -aron or -ieron and add a new ending. 

Subjunctive Imperfect endings for -ar verbs like desayunar the endings are:

Yo	ara
Tú	aras
Él / Ella / Usted (Ud.)	ara
Nosotros (as)	áramos
Vosotros (as)	arais
Ellas / Ellos / Ustedes (Uds.)	aran

You can also use the endings below as alternative endings and the meaning doesn’t change. Keep in mind the ones above are more common

Yo	ase
Tú	ases
Él / Ella / Usted (Ud.)	ase
Nosotros (as)	ásemos
Vosotros (as)	aseis
Ellas / Ellos / Ustedes (Uds.)	asen

Subjunctive Imperfect endings for -er & -ir verbs like he endings are:

Yo	iera
Tú	ieras
Él / Ella / Usted (Ud.)	iera
Nosotros (as)	iéramos
Vosotros (as)	ierais
Ellas / Ellos / Ustedes (Uds.)	ieran

You can also use the endings below as alternative endings and the meaning doesn’t change. Keep in mind the ones above are more common:

Yo	iese
Tú	ieses
Él / Ella / Usted (Ud.)	iese
Nosotros (as)	iésemos
Vosotros (as)	ieseis
Ellas / Ellos / Ustedes (Uds.)	iesen

Here are the steps in action:

1. desayunar

2. The third person of the preterite (ellos/ellas) would be: desayunar – desayunaron

3. Now remove -aron and you are left with desayun

4. Then, add a new ending.

Below you will find the conjugations of the verb desayunar in the subjunctive imperfect:

Pronoun	Spanish	English
Yo	desayunara	I might eat breakfast
Tú	desayunaras	you might eat breakfast
Él / Ella / Usted (Ud.)	desayunara	he/she might eat breakfast, you (formal) might eat breakfast
Nosotros (as)	desayunáramos	we might eat breakfast
Vosotros (as)	desayunarais	you (plural) Spain might eat breakfast
Ellas / Ellos / Ustedes (Uds.)	desayunaran	they might eat breakfast, you (plural) might eat breakfast

OR

Pronoun	Spanish	English
Yo	desayunase	I might eat breakfast
Tú	desayunases	you might eat breakfast
Él / Ella / Usted (Ud.)	desayunase	he/she might eat breakfast, you (formal) might eat breakfast
Nosotros (as)	desayunásamos	we might eat breakfast
Vosotros (as)	desayunasais	you (plural) Spain might eat breakfast
Ellas / Ellos / Ustedes (Uds.)	desayunasan	they might eat breakfast, you (plural) might eat breakfast

desayunar in the Subjunctive Future Tense

The subjunctive future is used to describe an event or action or a possible or hypothetical situation. It can also be used to describe something you wished or hoped would happen in the future. This tense is rarely used in Spanish but it doesn’t hurt to learn it.

The verb desayunar is regular in the subjunctive future tense. 

To form the future subjunctive simply add the following endings to the verb in the infinitive (the most pure form of the verb. Verbs in the infinitive have not been conjugated (they end in -ar, -er & -ir)).

Subjunctive Future endings for -ar verbs like desayunar the endings are:

Yo	e
Tú	es
Él / Ella / Usted (Ud.)	e
Nosotros (as)	emos (accent on á of the stem)
Vosotros (as)	eis
Ellas / Ellos / Ustedes (Uds.)	en

Subjunctive Future endings for -er verbs the endings are:

Yo	iere
Tú	ieres
Él / Ella / Usted (Ud.)	iere
Nosotros (as)	iéremos
Vosotros (as)	iereis
Ellas / Ellos / Ustedes (Uds.)	ieran

Subjunctive Future endings for -ir verbs the endings are:

Yo	iere
Tú	ieres
Él / Ella / Usted (Ud.)	iere
Nosotros (as)	iéremos
Vosotros (as)	iereis
Ellas / Ellos / Ustedes (Uds.)	ieren

Below you will find the conjugations of the verb desayunar in the subjunctive future:

Pronoun	Spanish	English
Yo	desayunara	I will eat breakfast
Tú	desayunaras	you will eat breakfast
Él / Ella / Usted (Ud.)	desayunara	he/she will eat breakfast, you (formal) will eat breakfast
Nosotros (as)	desayunáramos	we will eat breakfast
Vosotros (as)	desayunarais	you (plural) Spain will eat breakfast
Ellas / Ellos / Ustedes (Uds.)	desayunaran	they will eat breakfast, you (plural) will eat breakfast

desayunar in the Subjunctive Present Perfect Tense

The subjunctive present perfect is used to describe actions that are connected to the present. It is also used to talk about actions that will have happened by a certain time in the future. 

The verb desayunar is regular in the subjunctive present perfect tense. 

To form the subjunctive present perfect you must use the present subjunctive of the verb haber  + the past participle of the verb. 

Here are the conjugations of the verb haber in the present subjunctive:

Yo	haya
Tú	hayas
Él / Ella / Usted (Ud.)	haya
Nosotros (as)	hayamos
Vosotros (as)	hayáis
Ellas / Ellos / Ustedes (Uds.)	hayan

The past participle of the verb desayunar is: desayunado

Now, let’s put it together . Here are the conjugations of the verb desayunar in the subjunctive present perfect. 

Pronoun	Spanish	English
Yo	haya desayunado	I may have eaten breakfast
Tú	hayas desayunado	you may have eaten breakfast
Él / Ella / Usted (Ud.)	haya desayunado	he/she may have eaten breakfast, you (formal) may have eaten breakfast
Nosotros (as)	hayamos desayunado	we may have eaten breakfast
Vosotros (as)	hayáis desayunado	you (plural) Spain may have eaten breakfast
Ellas / Ellos / Ustedes (Uds.)	hayan desayunado	they may have eaten breakfast, you (plural) may have eaten breakfast

desayunar in the Subjunctive Past Perfect Tense (Pluscuamperfecto del Subjuntivo)

The subjunctive past perfect is used to talk about hypothetical situations or actions in the past. It can also be used to talk about past actions that preceded other past actions. 

The verb desayunar is regular in the subjunctive past perfect tense. 

To form the subjunctive past perfect you must use the imperfect subjunctive of the verb haber  + the past participle of the verb. 

The imperfect subjunctive of haber can be conjugated in two different ways. Having said that, the first conjugations are more commonly used. 

Here are the conjugations of the verb haber in the imperfect subjunctive of the verb haber:

Yo	hubiera
Tú	hubieras
Él / Ella / Usted (Ud.)	hubiera
Nosotros (as)	hubiéramos
Vosotros (as)	hubierais
Ellas / Ellos / Ustedes (Uds.)	hubieran

The other conjugations of haber in the imperfect subjunctive are:

Yo	hubiese
Tú	hubieses
Él / Ella / Usted (Ud.)	hubiese
Nosotros (as)	hubiésemos
Vosotros (as)	hubieseis
Ellas / Ellos / Ustedes (Uds.)	hubiesen

To form the past participle of a verb:

5. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
6. Remove the ending (-ar, -er, -ir).
7. Add -ado for -ar verbs
8. Add -ido for -er and –ir verbs

Let’s apply it to desayunar:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)  = (desayunar)
2. Remove the ending (-ar, -er, -ir) = (desayun)
3. Add -ado for -ar verbs  = (desayunado)

The past participle of the verb desayunar is desayunado.

Now, let’s put it together . Here are the conjugations of the verb desayunar in the subjunctive past perfect. 

Pronoun	Spanish	English
Yo	hubiese desayunado	I might have eaten breakfast
Tú	hubieses desayunado	you might have eaten breakfast
Él / Ella / Usted (Ud.)	hubiese desayunado	he/she might have eaten breakfast, you (formal) might have eaten breakfast
Nosotros (as)	hubiésemos desayunado	we might have eaten breakfast
Vosotros (as)	hubieseis desayunado	you (plural) Spain might have eaten breakfast
Ellas / Ellos / Ustedes (Uds.)	hubiesen desayunado	they might have eaten breakfast, you (plural) might have eaten breakfast

OR

Pronoun	Spanish	English
Yo	hubiera desayunado	I might have eaten breakfast
Tú	hubieras desayunado	you might have eaten breakfast
Él / Ella / Usted (Ud.)	hubiera desayunado	he/she might have eaten breakfast, you (formal) might have eaten breakfast
Nosotros (as)	hubiéramos desayunado	we might have eaten breakfast
Vosotros (as)	hubierais desayunado	you (plural) Spain might have eaten breakfast
Ellas / Ellos / Ustedes (Uds.)	hubieran desayunado	they might have eaten breakfast, you (plural) might have eaten breakfast

desayunar as an Imperative Affirmative Command

The imperative Affirmative commands are used to tell someone or a group of people what to do. We do not give commands in the 1st or 3rd person which is why yo, él, ella, ellos, and ellas have been removed for this tense.

desayunar is Regular when forming Imperative Affirmative Commands. 

Mostly we will give commands or tell someone we treat as (tú) what to do. Let’s learn how to conjugate that part first. 

To find the Affirmative Informal tú command of a verb follow these steps:

1. Find the tú form of the verb in the present tense. 
2. Take off the “s”
3. That will give you the affirmative informal command of a verb in the tú form. 

Reminders: Stem changing verbs should continue to have the change in the stem.

For example, The affirmative informal tú command of the verb desayunar  would be desayuna. 

Let’s see the process:

1. Find the tú form of the verb in the present tense.  (desayunas)
2. Take off the “s”.  (desayuna)
3. That will give you the affirmative informal command of a verb in the tú form.  (desayuna)

To review how to use Affirmative informal (tú) commands watch my video: Click for Video 

Pronoun	Spanish	English
N/A	N/A	N/A
Tú	¡desayuna!	eat breakfast!
Usted (Ud.)	¡desayune!	eat breakfast!
Nosotros (as)	¡desayunemos!	eat breakfast!
Vosotros (as)	¡desayunad!	eat breakfast!
Ustedes (Uds.)	¡desayunen!	eat breakfast!

desayunar as an Imperative Negative Command

The imperative Negative commands are used to tell someone or a group of people what NOT to do. We do not give commands in the 1st or 3rd person which is why yo, él, ella, ellos, and ellas have been removed for this tense.

desayunar is Regular when forming Imperative Negative Commands. 

Mostly we will give commands or tell someone we treat as (tú) what to do. Let’s learn how to conjugate that part first. 

To find the Negative Informal tú command of a regular verb follow these steps:

1. Start with No
2. Find the yo form of the verb in the present tense. 
3. Take off the “o”
4. Add -es if it’s an -ar verb or -as if it’s and -er or -ir verb.

To review how to use Negative informal (tú) commands watch my video: Click for Video 

Pronoun	Spanish	English
N/A	N/A	N/A
Tú	¡no desayunes!	Don’t eat breakfast!
Usted (Ud.)	¡no desayune!	Don’t eat breakfast!
Nosotros (as)	¡no desayunemos!	Don’t eat breakfast!
Vosotros (as)	¡no desayunéis!	Don’t eat breakfast!
Ustedes (Uds.)	¡no desayunen!	Don’t eat breakfast!