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How to conjugate invadir in Spanish

invadir in Spanish means to invade

invadir 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 invadir so you can use it comfortably in all tenses. 

invadir in the Present Tense

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

The verb invadir is regular in the present tense. 

The verb invadir 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. 

  1. Take off the -ir
  2. 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 invadir in the indicative present tense:

PronounSpanishEnglish
YoinvadoI invade
invadesyou invade
Él / Ella / Usted (Ud.)invadehe/she invades, you (formal) invades
Nosotros (as)invadimoswe invade
Vosotros (as)invadísyou (plural) Spain invade
Ellas / Ellos / Ustedes (Uds.)invadenthey invade, you (plural) invade

invadir 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 invadir 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 invadir in the preterite tense:

PronounSpanishEnglish
YoinvadíI invaded
invadisteyou invaded
Él / Ella / Usted (Ud.)invadióhe/she invaded, you (formal) invaded
Nosotros (as)invadimoswe invaded
Vosotros (as)invadisteisyou (plural) Spain invaded
Ellas / Ellos / Ustedes (Uds.)invadieronthey invaded, you (plural) invaded

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

la semana pasadalast week
el mes pasadolast month
el fin de semana pasadolast weekend
el año pasadolast year
ayer yesterday 
anteayerthe day before yesterday
anoche last night

invadir 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 invadir is regular in the imperfect tense. 

The verb invadir 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. 

  1. Take off the -ir
  2. 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 invadir in the imperfect tense:

PronounSpanishEnglish
YoinvadíaI used to invade
invadíasyou used to invade
Él / Ella / Usted (Ud.)invadíahe/she used to invade, you (formal) used to invade
Nosotros (as)invadíamoswe used to invade
Vosotros (as)invadíaisyou (plural) Spain used to invade
Ellas / Ellos / Ustedes (Uds.)invadíanthey used to invade, you (plural) used to invade

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

a menudooften
usualmenteusually
todos los díasevery day
todos los mesesevery month
todos los añosevery year
casi siemprealmost always
a vecessometimes
de niño/niñaas a child …
siempre always
normalmente normally

invadir in the Future Tense

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

The verb invadir 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 invadir is in its purest form (it has not been conjugated) it’s in the infinitive.  

The verb invadir is what we call an -ir verb. -ir verbs are verbs that end in -ir. To conjugate invadir 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 invadir.
  2. Then attach the ending to the end of the infinitive. The ending depends on who is performing the action. 
Yoiré
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 invadir using the future tense:

PronounSpanishEnglish
YoinvadiréI will invade
invadirásyou will invade
Él / Ella / Usted (Ud.)invadiráhe/she will invade, you (formal) will invade
Nosotros (as)invadiremoswe will invade
Vosotros (as)invadiréisyou (plural) Spain will invade
Ellas / Ellos / Ustedes (Uds.)invadiránthey will invade, you (plural) will invade

invadir 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 invadir 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 invadir 

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

Yovoy
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 invadir using the informal future:

PronounSpanishEnglish
Yovoy a invadirI will be invaded
vas a invadiryou will be invaded
Él / Ella / Usted (Ud.)va a invadirhe/she will invade, you (formal) will invade
Nosotros (as)vamos a invadirwe will be invaded
Vosotros (as)vais a invadiryou (plural) Spain will be invaded
Ellas / Ellos / Ustedes (Uds.)van a invadirthey will be invaded, you (plural) will be invaded

invadir 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 invadir 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 -ir, -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:

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

The present participle of the verb invadir 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 invadir using the present progressive:

PronounSpanishEnglish
Yoestoy invadiendoI am invading
estás invadiendoyou are invading
Él / Ella / Usted (Ud.)está invadiendohe/she is invading, you (formal) are invading
Nosotros (as)estamos invadiendowe are invading
Vosotros (as)estáis invadiendoyou (plural) Spain are invading
Ellas / Ellos / Ustedes (Uds.)están invadiendothey are invading, you (plural) are invading

invadir 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 invadir is regular in the conditional tense. 

The verb invadir is what we call an -ir verb. -ir verbs are verbs that end in -ir. To conjugate invadir 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 invadir.
  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: 

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

The infinitive of the verb invadir is invadir

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

PronounSpanishEnglish
YoinvadíaI would invade
invadíasyou would invade
Él / Ella / Usted (Ud.)invadíahe/she would invade, you (formal) would invade
Nosotros (as)invadíamoswe would invade
Vosotros (as)invadíaisyou (plural) Spain would invade
Ellas / Ellos / Ustedes (Uds.)invadíanthey would invade, you (plural)would invade

invadir 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 invadir 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:

Yohe
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 invadir in the present perfect:

PronounSpanishEnglish
Yohe invadidoI have invaded
has invadidoyou have invaded
Él / Ella / Usted (Ud.)ha invadidohe/she have invaded, you (formal) have invaded
Nosotros (as)hemos invadidowe have invaded
Vosotros (as)habéis invadidoyou (plural) Spain have invaded
Ellas / Ellos / Ustedes (Uds.)han invadidothey have invaded, you (plural) have invaded

invadir 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 invadir 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:

Yohabía
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 invadir

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 invadir in the past perfect:

PronounSpanishEnglish
Yohabía invadidoI had invaded
habías invadidoyou had invaded
Él / Ella / Usted (Ud.)había invadidohe/she had invaded, you (formal) had invaded
Nosotros (as)habíamos invadidowe had invaded
Vosotros (as)habíais invadidoyou (plural) Spain had invaded
Ellas / Ellos / Ustedes (Uds.)habíain invadidothey had invaded, you (plural) had invaded

invadir 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 invadir 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:

Yohabré
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 invadir. 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 invadir in the future perfect:

PronounSpanishEnglish
Yohabré invadidoI will have invaded
habrás invadidoyou will have invaded
Él / Ella / Usted (Ud.)habrá invadidohe/she will have invaded, you (formal) will have invaded
Nosotros (as)habremos invadidowe will have invaded
Vosotros (as)habréis invadidoyou (plural) Spain will have invaded
Ellas / Ellos / Ustedes (Uds.)habrán invadidothey will have invaded, you (plural) will have invaded

invadir 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 invadir 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:

Yohabría
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 invadir. 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 invadir in the conditional perfect:

PronounSpanishEnglish
Yohabría invadidoI would have invaded
habrías invadidoyou would have invaded
Él / Ella / Usted (Ud.)habría invadidohe/she would have invaded, you (formal) would have invaded
Nosotros (as)habríamos invadidowe would have invaded
Vosotros (as)habríais invadidoyou (plural) Spain will would invaded
Ellas / Ellos / Ustedes (Uds.)habrían invadidothey would have invaded, you (plural) would have invaded

invadir 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 invadir 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:

Yoe
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: 

Yoa
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 invadir in the subjunctive present:

PronounSpanishEnglish
YoinvadaI may invade
invadasyou may invade
Él / Ella / Usted (Ud.)invadahe/she may invade, you (formal) may invade
Nosotros (as)invadamoswe may invade
Vosotros (as)invadáisyou (plural) Spain may invade
Ellas / Ellos / Ustedes (Uds.)invadanthey may invade, you (plural) may invade

invadir 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 invadir 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:

Yoiera
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:

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

Here are the steps in action:

  1. invadir
  1. The third person of the preterite (ellos/ellas) would be: invadir – invadieron
  1. Now remove -ieron and you are left with invadie
  1. Then, add a new ending.

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

PronounSpanishEnglish
YoinvadieraI might invade
invadierasyou might invade
Él / Ella / Usted (Ud.)invadierahe/she might invade, you (formal) might invade
Nosotros (as)invadiéramoswe might invade
Vosotros (as)invadieraisyou (plural) Spain might invade
Ellas / Ellos / Ustedes (Uds.)invadieranthey might invade, you (plural) might invade

OR

PronounSpanishEnglish
YoinvadiríaI might invade
invadiríasyou might invade
Él / Ella / Usted (Ud.)invadiríahe/she might invade, you (formal) might invade
Nosotros (as)invadiríamoswe might invade
Vosotros (as)invadiríaisyou (plural) Spain might invade
Ellas / Ellos / Ustedes (Uds.)invadiríanthey might invade, you (plural) might invade

invadir 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 invadir 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 invadir the endings are:

Yoe
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:

Yoiere
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:

Yoiere
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 invadir in the subjunctive future:

PronounSpanishEnglish
YoinvadiereI will invade
invadieresyou will invade
Él / Ella / Usted (Ud.)invadierehe/she will invade, you (formal) will invade
Nosotros (as)invadiéremoswe will invade
Vosotros (as)invadiereisyou (plural) Spain will invade
Ellas / Ellos / Ustedes (Uds.)invadierenthey will invade, you (plural) will invade

invadir 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 invadir 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:

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

The past participle of the verb invadir is: invadido

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

PronounSpanishEnglish
Yohaya invadidoI may have invaded
hayas invadidoyou may have invaded
Él / Ella / Usted (Ud.)haya invadidohe/she may have invaded, you (formal) may have invaded
Nosotros (as)hayamos invadidowe may have invaded
Vosotros (as)hayáis invadidoyou (plural) Spain may have invaded
Ellas / Ellos / Ustedes (Uds.)hayan invadidothey may have invaded, you (plural) may have invaded

invadir 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 invadir 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:

Yohubiera
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:

Yohubiese
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:

  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

Let’s apply it to invadir:

  1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)  = (invadir)
  2. Remove the ending (-ar, -er, -ir) = (invad)
  3. Add -ido for -ir verbs  = (invadido)

The past participle of the verb invadir is invadido.

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

PronounSpanishEnglish
Yohubiese invadidoI might have invaded
hubieses invadidoyou might have invaded
Él / Ella / Usted (Ud.)hubiese invadidohe/she might have invaded, you (formal) might have invaded
Nosotros (as)hubiésemos invadidowe might have invaded
Vosotros (as)hubiésemos invadidoyou (plural) Spain might have invaded
Ellas / Ellos / Ustedes (Uds.)hubiesen invadidothey might have invaded, you (plural) might have invaded

OR

PronounSpanishEnglish
Yohubiera invadidoI might have invaded
hubieras invadidoyou might have invaded
Él / Ella / Usted (Ud.)hubiera invadidohe/she might have invaded, you (formal) might have invaded
Nosotros (as)hubiéramos invadidowe might have invaded
Vosotros (as)hubierais invadidoyou (plural) Spain might have invaded
Ellas / Ellos / Ustedes (Uds.)hubieran invadidothey might have invaded, you (plural) might have invaded

invadir 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.

invadir 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 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 invadir  would be invade

Let’s see the process:

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

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

PronounSpanishEnglish
N/AN/AN/A
!invade!invade!
Usted (Ud.)!invada!invade!
Nosotros (as)!invadamos!invade!
Vosotros (as)!invadid!invade!
Ustedes (Uds.)!invadan!invade!

invadir 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.

invadir 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 an -er or -ir verb.

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

PronounSpanishEnglish
N/AN/AN/A
¡no invadas!Don’t invade!
Usted (Ud.)¡no invada!Don’t invade!
Nosotros (as)¡no invadamos!Don’t invade!
Vosotros (as)¡no invadáis!Don’t invade!
Ustedes (Uds.)¡no invadan!Don’t invade!