How to conjugate sustituir in Spanish
sustituir in Spanish means to substitute, to replace
sustituir 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 sustituir so you can use it comfortably in all tenses.
sustituir in the Present Tense
The present tense is used to talk about actions or events happening now.
The verb sustituir is regular in the present tense.
The verb sustituir is what we call an -ir verb. -ir verbs are verbs that end in -ir. Regular -ir verbs are conjugated by following 2 major rules.
- Take off the -ir
- Replace with a new ending depending on who performs the action.
To review -ir verbs watch my -ir 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 sustituir in the indicative present tense:
| Pronoun | Spanish | English |
| Yo | sustituo | I substitute |
| Tú | sustitues | you substitute |
| Él / Ella / Usted (Ud.) | sustitue | he/she substitutes, you (formal) substitutes |
| Nosotros (as) | sustituimos | we substitute |
| Vosotros (as) | sustituís | you (plural) Spain substitute |
| Ellas / Ellos / Ustedes (Uds.) | sustituen | they substitute, you (plural) substitute |
sustituir 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:
- 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.
- The preterite is NOT used to describe people in the past.
The verb sustituir is Regular in the preterite. That means it does follow the pattern of regular -ir verbs in the preterite. To review -ir verbs watch my -ir verbs video: Preterite tense er & ir Verbs Spanish- [FREE PDF Handout] Spanish Past Tense (2020)
Below you will find the conjugations of the verb sustituir in the preterite tense:
| Pronoun | Spanish | English |
| Yo | sustituí | I substituted |
| Tú | sustituiste | you substituted |
| Él / Ella / Usted (Ud.) | sustituió | he/she substituted, you (formal) substituted |
| Nosotros (as) | sustituimos | we substituted |
| Vosotros (as) | sustituisteis | you (plural) Spain substituted |
| Ellas / Ellos / Ustedes (Uds.) | sustituieron | they substituted, you (plural) substituted |
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 |
sustituir 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 sustituir is regular in the imperfect tense.
The verb sustituir is what we call an -ir verb. -ir verbs are verbs that end in -ir. Regular -ir verbs are conjugated by following 2 major rules.
- Take off the -ir
- Replace with a new ending depending on who performs the action.
To review how to conjugate -ir verbs in the imperfect watch my video: Click for Video
Below you will find the conjugations of the verb sustituir in the imperfect tense:
| Pronoun | Spanish | English |
| Yo | sustituía | I used to substitute |
| Tú | sustituías | you used to substitute |
| Él / Ella / Usted (Ud.) | sustituía | he/she used to substitute, you (formal) used to substitute |
| Nosotros (as) | sustituíamos | we used to substitute |
| Vosotros (as) | sustituíais | you (plural) Spain used to substitute |
| Ellas / Ellos / Ustedes (Uds.) | sustituían | they used to substitute, you (plural) used to substitute |
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 |
sustituir in the Future Tense
The future is used to talk about an action or event that will happen in the future.
The verb sustituir 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 sustituir is in its purest form (it has not been conjugated) it’s in the infinitive.
The verb sustituir is what we call an -ir verb. -ir verbs are verbs that end in -ir. To conjugate sustituir in the future, follow these two rules:
- Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case sustituir.
- Then attach the ending to the end of the infinitive. The ending depends on who is performing the action.
| Yo | iré |
| Tú | irás |
| Él / Ella / Usted (Ud.) | irá |
| Nosotros (as) | iremos |
| Vosotros (as) | iréis |
| Ellas / Ellos / Ustedes (Uds.) | irán |
Below you will find the conjugations of the verb sustituir using the future tense:
| Pronoun | Spanish | English |
| Yo | sustituiré | I will substitute |
| Tú | sustituirás | you will substitute |
| Él / Ella / Usted (Ud.) | sustituirá | he/she will substitute, you (formal) will substitute |
| Nosotros (as) | sustituiremos | we will substitute |
| Vosotros (as) | sustituiréis | you (plural) Spain will substitute |
| Ellas / Ellos / Ustedes (Uds.) | sustituirán | they will substitute, you (plural) will substitute |
sustituir 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 sustituir is regular in the informal future tense.
Follow this rule:
- Ir (conjugated) + a + infinitive (verb that ends in -ar, -er, -ir and has not been conjugated). Example : Yo voy a sustituir
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 sustituir using the informal future:
| Pronoun | Spanish | English |
| Yo | voy a sustituir | I will be substituted |
| Tú | vas a sustituir | you will be substituted |
| Él / Ella / Usted (Ud.) | va a sustituir | he/she will substitute, you (formal) will substitute |
| Nosotros (as) | vamos a sustituir | we will be substituted |
| Vosotros (as) | vais a sustituir | you (plural) Spain will be substituted |
| Ellas / Ellos / Ustedes (Uds.) | van a sustituir | they will be substituted, you (plural) will be substituted |
sustituir 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 sustituir 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:
- Find the verb in the infinitive (verb that ends in -ir, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ando for -ar verbs
- 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 sustituir is: abandonando
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 sustituir using the present progressive:
| Pronoun | Spanish | English |
| Yo | estoy sustituiendo | I am substituting |
| Tú | estás sustituiendo | you are substituting |
| Él / Ella / Usted (Ud.) | está sustituiendo | he/she is substituting, you (formal) are substituting |
| Nosotros (as) | estamos sustituiendo | we are substituting |
| Vosotros (as) | estáis sustituiendo | you (plural) Spain are substituting |
| Ellas / Ellos / Ustedes (Uds.) | están sustituiendo | they are substituting, you (plural) are substituting |
sustituir 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 sustituir is regular in the conditional tense.
The verb sustituir is what we call an -ir verb. -ir verbs are verbs that end in -ir. To conjugate sustituir in the conditional tense follow these two rules:
- Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case sustituir.
- 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 sustituir is sustituir.
Below you will find the conjugations of the verb sustituir using the conditional tense:
| Pronoun | Spanish | English |
| Yo | sustituía | I would substitute |
| Tú | sustituías | you would substitute |
| Él / Ella / Usted (Ud.) | sustituía | he/she would substitute, you (formal) would substitute |
| Nosotros (as) | sustituíamos | we would substitute |
| Vosotros (as) | sustituíais | you (plural) Spain would substitute |
| Ellas / Ellos / Ustedes (Uds.) | sustituían | they would substitute, you (plural)would substitute |
sustituir 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 sustituir is regular in the Present Perfect 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:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- 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 sustituir in the present perfect:
| Pronoun | Spanish | English |
| Yo | he sustituido | I have substituted |
| Tú | has sustituido | you have substituted |
| Él / Ella / Usted (Ud.) | ha sustituido | he/she have substituted, you (formal) have substituted |
| Nosotros (as) | hemos sustituido | we have substituted |
| Vosotros (as) | habéis sustituido | you (plural) Spain have substituted |
| Ellas / Ellos / Ustedes (Uds.) | han sustituido | they have substituted, you (plural) have substituted |
sustituir 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 sustituir 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 sustituir.
To form the past participle of a verb:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- 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 sustituir in the past perfect:
| Pronoun | Spanish | English |
| Yo | había sustituido | I had substituted |
| Tú | habías sustituido | you had substituted |
| Él / Ella / Usted (Ud.) | había sustituido | he/she had substituted, you (formal) had substituted |
| Nosotros (as) | habíamos sustituido | we had substituted |
| Vosotros (as) | habíais sustituido | you (plural) Spain had substituted |
| Ellas / Ellos / Ustedes (Uds.) | habíain sustituido | they had substituted, you (plural) had substituted |
sustituir 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 sustituir 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 sustituir. 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:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- 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 sustituir in the future perfect:
| Pronoun | Spanish | English |
| Yo | habré sustituido | I will have substituted |
| Tú | habrás sustituido | you will have substituted |
| Él / Ella / Usted (Ud.) | habrá sustituido | he/she will have substituted, you (formal) will have substituted |
| Nosotros (as) | habremos sustituido | we will have substituted |
| Vosotros (as) | habréis sustituido | you (plural) Spain will have substituted |
| Ellas / Ellos / Ustedes (Uds.) | habrán sustituido | they will have substituted, you (plural) will have substituted |
sustituir 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 sustituir 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 sustituir. 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:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- Add -ido for -er and –ir verbs
Below you will find the conjugations of the verb sustituir in the conditional perfect:
| Pronoun | Spanish | English |
| Yo | habría sustituido | I would have substituted |
| Tú | habrías sustituido | you would have substituted |
| Él / Ella / Usted (Ud.) | habría sustituido | he/she would have substituted, you (formal) would have substituted |
| Nosotros (as) | habríamos sustituido | we would have substituted |
| Vosotros (as) | habríais sustituido | you (plural) Spain will would substituted |
| Ellas / Ellos / Ustedes (Uds.) | habrían sustituido | they would have substituted, you (plural) would have substituted |
sustituir 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 sustituir 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 sustituir in the subjunctive present:
| Pronoun | Spanish | English |
| Yo | sustitua | I may substitute |
| Tú | sustituas | you may substitute |
| Él / Ella / Usted (Ud.) | sustitua | he/she may substitute, you (formal) may substitute |
| Nosotros (as) | sustituamos | we may substitute |
| Vosotros (as) | sustituáis | you (plural) Spain may substitute |
| Ellas / Ellos / Ustedes (Uds.) | sustituan | they may substitute, you (plural) may substitute |
sustituir 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 sustituir 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 -iron or -ieron and add a new ending.
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:
- sustituir
- The third person of the preterite (ellos/ellas) would be: sustituir – sustituieron
- Now remove -ieron and you are left with sustituie
- Then, add a new ending.
Below you will find the conjugations of the verb sustituir in the subjunctive imperfect:
| Pronoun | Spanish | English |
| Yo | sustituiera | I might substitute |
| Tú | sustituieras | you might substitute |
| Él / Ella / Usted (Ud.) | sustituiera | he/she might substitute, you (formal) might substitute |
| Nosotros (as) | sustituiéramos | we might substitute |
| Vosotros (as) | sustituierais | you (plural) Spain might substitute |
| Ellas / Ellos / Ustedes (Uds.) | sustituieran | they might substitute, you (plural) might substitute |
OR
| Pronoun | Spanish | English |
| Yo | sustituiría | I might substitute |
| Tú | sustituirías | you might substitute |
| Él / Ella / Usted (Ud.) | sustituiría | he/she might substitute, you (formal) might substitute |
| Nosotros (as) | sustituiríamos | we might substitute |
| Vosotros (as) | sustituiríais | you (plural) Spain might substitute |
| Ellas / Ellos / Ustedes (Uds.) | sustituirían | they might substitute, you (plural) might substitute |
sustituir 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 sustituir 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 sustituir 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 sustituir in the subjunctive future:
| Pronoun | Spanish | English |
| Yo | sustituiere | I will substitute |
| Tú | sustituieres | you will substitute |
| Él / Ella / Usted (Ud.) | sustituiere | he/she will substitute, you (formal) will substitute |
| Nosotros (as) | sustituiéremos | we will substitute |
| Vosotros (as) | sustituiereis | you (plural) Spain will substitute |
| Ellas / Ellos / Ustedes (Uds.) | sustituieren | they will substitute, you (plural) will substitute |
sustituir 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 sustituir 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 sustituir is: sustituido
Now, let’s put it together . Here are the conjugations of the verb sustituir in the subjunctive present perfect.
| Pronoun | Spanish | English |
| Yo | haya sustituido | I may have substituted |
| Tú | hayas sustituido | you may have substituted |
| Él / Ella / Usted (Ud.) | haya sustituido | he/she may have substituted, you (formal) may have substituted |
| Nosotros (as) | hayamos sustituido | we may have substituted |
| Vosotros (as) | hayáis sustituido | you (plural) Spain may have substituted |
| Ellas / Ellos / Ustedes (Uds.) | hayan sustituido | they may have substituted, you (plural) may have substituted |
sustituir 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 sustituir 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:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
- Remove the ending (-ar, -er, -ir).
- Add -ado for -ar verbs
- Add -ido for -er and –ir verbs
Let’s apply it to sustituir:
- Find the verb in the infinitive (verb that ends in -ar, -er, -ir) = (sustituir)
- Remove the ending (-ar, -er, -ir) = (sustitu)
- Add -ido for -ir verbs = (sustituido)
The past participle of the verb sustituir is sustituido.
Now, let’s put it together . Here are the conjugations of the verb sustituir in the subjunctive past perfect.
| Pronoun | Spanish | English |
| Yo | hubiese sustituido | I might have substituted |
| Tú | hubieses sustituido | you might have substituted |
| Él / Ella / Usted (Ud.) | hubiese sustituido | he/she might have substituted, you (formal) might have substituted |
| Nosotros (as) | hubiésemos sustituido | we might have substituted |
| Vosotros (as) | hubiésemos sustituido | you (plural) Spain might have substituted |
| Ellas / Ellos / Ustedes (Uds.) | hubiesen sustituido | they might have substituted, you (plural) might have substituted |
OR
| Pronoun | Spanish | English |
| Yo | hubiera sustituido | I might have substituted |
| Tú | hubieras sustituido | you might have substituted |
| Él / Ella / Usted (Ud.) | hubiera sustituido | he/she might have substituted, you (formal) might have substituted |
| Nosotros (as) | hubiéramos sustituido | we might have substituted |
| Vosotros (as) | hubierais sustituido | you (plural) Spain might have substituted |
| Ellas / Ellos / Ustedes (Uds.) | hubieran sustituido | they might have substituted, you (plural) might have substituted |
sustituir 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.
sustituir 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:
- Find the tú form of the verb in the present tense.
- Take off the “s”
- 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 sustituir would be sustitue.
Let’s see the process:
- Find the tú form of the verb in the present tense. (sustitues)
- Take off the “s”. (sustitue)
- That will give you the affirmative informal command of a verb in the tú form. (sustitue)
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 | !sustitue! | substitute! |
| Usted (Ud.) | !sustitua! | substitute! |
| Nosotros (as) | !sustituamos! | substitute! |
| Vosotros (as) | !sustituid! | substitute! |
| Ustedes (Uds.) | !sustituan! | substitute! |
sustituir 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.
sustituir 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:
- Start with No
- Find the yo form of the verb in the present tense.
- Take off the “o”
- Add -es if it’s an -ar verb or -as if it’s an -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 sustituas! | Don’t substitute! |
| Usted (Ud.) | ¡no sustitua! | Don’t substitute! |
| Nosotros (as) | ¡no sustituamos! | Don’t substitute! |
| Vosotros (as) | ¡no sustituáis! | Don’t substitute! |
| Ustedes (Uds.) | ¡no sustituan! | Don’t substitute! |