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Present Subjunctive Tense Formation of Irregular Verbs

 

The Present Subjunctive Tense is used to express:

·         Uncertainty.  For example, No creo que regresen esta noche. (I don’t think they will return tonight.)

·         Feelings.  For example, Se alegra que venga su amiga. (She is happy that her friend is coming.)

·         Desires.  For example, Quiero que tengas un buen viaje. (I want you to have a good trip.)

·         Hypothetical Situations.  For example, Quizás visite este domingo.  (Perhaps he is visiting this Sunday.) 

 

There are some verbs that are irregular and stem-changing in the subjunctive form.  Use the same formula for the formation of the subjunctive by using the first person singular of the present indicative form. 

For example:

Spanish

Spanish

English

Caber

Quepa

To fit

Caer

Caiga

To fall

Conocer

Conozca

To know

Construir

Construya

To construct

Decir

Diga

To tell

Hacer

Haga

To do/to make

Tener

Tenga

To have

Traer

Traiga

To bring

Venir

Venga

To come

Ver

Vea

To see

Nacer

Nazca

To be born

Oír

Oiga

To hear

Poner

Ponga

To put

Salir

Salga

To leave

 

If it is irregular in the first person indicative, it is irregular in the subjunctive.

With the stem-changing verbs in the subjunctive form, the rule indicates that we take the first person of the preterit tense of the verbs with the endings car, gar, and zar and remove the accent mark. 

For example:

Spanish

Spanish

Pagué

Pague

Busqué

Busque

Crucé

Cruce

 

In order to maintain the sound of the letters g, gu, and c, we have to change the g to j, the gu to g, and the c to z in the subjunctive form.

 For example:

Spanish

Spanish

Escoges

Escojas

Siguen

Sigan

Convence

Convenza

 
  • Dar

Spanish

Spanish

English

Subject

Infinitive: Dar

To Give

Yo

Dé

I give

Des

You give

Usted/él/ella

Dé

You (formal)/He/She give

Nosotros

Demos

We give

Ustedes/Ellos/Ellas

Den

You (plural) give/They give

 
  • Estar

Spanish

Spanish

English

Subject

Infinitive: Estar

To Be

Yo

Esté

I am

Estés

You are

Usted/él/ella

Esté

You (formal)/He/She is

Nosotros

Estemos

We are

Ustedes/Ellos/Ellas

Estén

You (plural) are/They are

 
  • Haber

Spanish

Spanish

English

Subject

Infinitive: Haber

To Have

Yo

Haya

I have

Hayas

You have

Usted/él/ella

Haya

You (formal)/He/She have

Nosotros

Hayamos

We have

Ustedes/Ellos/Ellas

Hayan

You (plural) have/They have

 
  • Ir

Spanish

Spanish

English

Subject

Infinitive: Ir

To Go

Yo

Vaya

I go

Vayas

You go

Usted/él/ella

Vaya

You (formal)/He/She goes

Nosotros

Vayamos

We go

Ustedes/Ellos/Ellas

Vayan

You (plural) go/They go

 
  • Saber

Spanish

Spanish

English

Subject

Infinitive: Saber

To Know

Yo

Sepa

I know

Sepas

You know

Usted/él/ella

Sepa

You (formal)/He/She knows

Nosotros

Sepamos

We know

Ustedes/Ellos/Ellas

Sepan

You (plural) know/They know

 
  • Ser

Spanish

Spanish

English

Subject

Infinitive: Ser

To Be

Yo

Sea

I am

Seas

You are

Usted/él/ella

Sea

You (formal)/He/She is

Nosotros

Seamos

We are

Ustedes/Ellos/Ellas

Sean

You (plural) are/They are