The Spanish Subjunctive is formed with the stem that comes from dropping the –o
of the verb in the yo form of the Present. It means that all the verbs that are irregular in the yo form in Spanish Present will keep the same irregularity in their Subjunctive forms.

In this article, we are going to see these irregular forms in Subjunctive with example sentences and exercises.

Irregular Forms in Subjunctive

Those verbs that have a vowel as a general rule change in the Present yo form keep this vowel change in all forms of the Subjunctive except nosotros and vosotros for the first two vowel changes. Examine these examples.

Vowel changes

EntenderContarPedir
entienda
entiendas
entienda
entendamos
entendáis
entiendan
cuente
cuentes
cuente
contemos
contéis
cuenten
pida
pidas
pida
pidamos
pidáis
pidan

Se lo explicaré a Nicolás, pero no creo que lo entienda.

I’ll explain it to Nicolás, but I don’t think he’ll understand.

No quiero que me cuentes qué pasó en la fiesta.

I don’t want you to tell me what happened at the party.

No creo que Lucía le pida dinero a su abuela.

I don’t think Lucía asks her grandma for money.

Irregular Yo Forms in Present

There are many irregular yo forms in the Spanish Present. These changes are kept in the Subjunctive.

1. For example, hacer, poner, salir and valer drop the –er ending and add –go in Present, so their irregular forms in Subjunctive keep this –g-.

HacerPonerSalirValer
haga
hagas
haga
hagamos
hagáis
hagan
ponga
pongas
ponga
pongamos
pongáis
pongan
salga
salgas
salga
salgamos
salgáis
salgan
valga
valgas
valga
valgamos
valgáis
valgan

Hoy llueve. Espero que mañana haga mejor tiempo.

It’s raining today. I hope tomorrow the weather is better.

Prefiere que ponga los pasaportes aquí para no perderlos.

He prefers that I put the passports here not to lose them.

Recomendaremos al famoso que salga por la parte trasera del hotel.

We will recommend the celebrity go out through the back of the hotel.

No creemos que este jarrón valga cuatrocientos dólares.

We don’t think this vase is worth 400 dollars.

Caer and traer drop the –er ending and add –igo to form the Present, so their irregular forms in Subjunctive have –ig-.

CaerTraer
caiga
caigas
caiga
caigamos
caigáis
caigan
traiga
traigas
traiga
traigamos
traigáis
traigan

Nos encanta que las hojas caigan mientras paseamos en el parque.

We love it when the leaves fall while we go for a walk in the park.

María le pide a Agustín que le traiga algún recuerdo de Toledo.

María is asking Agustín to bring her a souvenir from Toledo.

2. All Spanish verbs that end with –ger or –gir change –g– into –j– to form the Present yo form. This change is kept in their irregular forms in Subjunctive.

ProtegerEscogerDirigir
proteja
protejas
proteja
protejamos
protejáis
protejan
escoja
escojas
escoja
escojamos
escojáis
escojan
dirija
dirijas
dirija
dirijamos
dirijáis
dirijan

Queremos que los gobiernos protejan a estos animales.

We want governments to protect these animals.

Quiero que elijas una bufanda de esta tienda. Te la voy a regalar.

I want you to choose a scarf from this store. I’m going to give it to you.

Quiero que dirijas la visita guiada al mercadillo de Navidad.

I want you to lead the guided tour to the Christmas market.

3. In Spanish, some verbs whose infinitives end with –cer or –cir form the Present yo form by changing –c– into –zc-. See how these irregular forms in Subjunctive are.

ConocerOfrecerTraducir
conozca
conozcas
conozca
conozcamos
conozcáis
conozcan
ofrezca
ofrezcas
ofrezca
ofrezcamos
ofrezcáis
ofrezcan
traduzca
traduzcas
traduzca
traduzcamos
traduzcáis
traduzcan

Quiero que conozcas a Luis. Creo que os llevaréis bien.

I want you to meet Luis. I think that you will get along well.

No les parece que ofrezcan muchas ventajas.

They don’t think that there are many advantages.

Espero que no traduzcas sin las luces encendidas.

I hope you don’t translate without the lights on.

4. Finally, some verbs change –c– into –z– to form the Present yo form, so this change will be the same in their irregular forms in Subjunctive.

VencerConvencerEjercer
venza
venzas
venza
venzamos
venzáis
venzan
convenza
convenzas
convenza
convenzamos
convenzáis
convenzan
ejerza
ejerzas
ejerza
ejerzamos
ejerzáis
ejerzan

Dudo que venzamos a ese equipo de baloncesto.

I doubt that we will defeat that basketball team.

Queremos que los convenzan para venir el sábado.

We want you to convince them to come on Saturday.

Espero que ejerza su autoridad con responsabilidad.

I hope he exercises his authority with responsibility.

Exercises

Let’s practice these irregular forms in Subjunctive with the following exercises.

Exercise 1

Exercise 2

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