16.5.1

Irregular AR Verbs

Test yourself

Stem Changing AR Verbs (E → IE)

When conjugating some AR verbs in the present tense, the 'e' in the infinitive becomes 'ie'. This does NOT happen in the 'vosotros' and 'nosotros' forms.

Illustrative background for Cerrar - to closeIllustrative background for Cerrar - to close ?? "content

Cerrar - to close

  • Cierro - I close.
  • Cierras - you close.
  • Cierra - he/she closes.
  • Cerramos - we close.
  • Cerráis - you close.
  • Cierran - they close.
Illustrative background for Comenzar - to startIllustrative background for Comenzar - to start ?? "content

Comenzar - to start

  • Comienzo - I start.
  • Comienzas - you start.
  • Comienza - he/she starts.
  • Comenzamos - we start.
  • Comenzáis - you start.
  • Comienzan - they start.
Illustrative background for Empezar - to beginIllustrative background for Empezar - to begin ?? "content

Empezar - to begin

  • Empiezo - I begin.
  • Empiezas - you begin.
  • Empieza - he/she begins.
  • Empezamos - we begin.
  • Empezáis - you begin.
  • Empiezan - they begin.
Illustrative background for Pensar - to thinkIllustrative background for Pensar - to think ?? "content

Pensar - to think

  • Pienso - I think.
  • Piensas - you think.
  • Piensa - he/she thinks.
  • Pensamos - we think.
  • Pensáis - you think.
  • Piensan - they think.
Illustrative background for Nevar - to snow, Helar - to freezeIllustrative background for Nevar - to snow, Helar - to freeze ?? "content

Nevar - to snow, Helar - to freeze

  • Nieva - It snows.
    • This verb is only used in the 3rd person singular form.
  • Hiela - It freezes.
    • This verb is only used in the 3rd person singular form.
Illustrative background for Other verbs that follow this patternIllustrative background for Other verbs that follow this pattern ?? "content

Other verbs that follow this pattern

  • Merendar - to have a snack, to have a picnic.
  • Recomendar - to recommend.
  • Sentarse - to sit.
  • Negar - to deny.

Stem Changing AR Verbs (O → UE)

In Spanish in the present tense some AR verbs change when conjugated. The 'o' in the infinitive becomes 'ue'. This does NOT happen in the 'vosotros' and 'nosotros' forms. Derivatives of these verbs follow the same pattern.

Illustrative background for Stem changes O → UEIllustrative background for Stem changes O → UE ?? "content

Stem changes O → UE

  • 'Soñar' (to dream) becomes 'sueño' (I dream).
  • 'Encontrar' (to find) becomes 'encuentro' (I find).
Illustrative background for Soñar - to dreamIllustrative background for Soñar - to dream ?? "content

Soñar - to dream

  • Sueño - I dream.
  • Sueñas - you dream.
  • Sueña - He/she dreams.
  • Soñamos - we dream.
  • Soñáis - you dream.
  • Sueñan - they dream.
Illustrative background for Aprobar - to approveIllustrative background for Aprobar - to approve ?? "content

Aprobar - to approve

  • Apruebo - I approve.
  • Apruebas - you approve.
  • Aprueba - he/she approves.
  • Aprobamos - we approve.
  • Aprobáis - you approve.
  • Aprueban - they approve.
Illustrative background for Costar - to be difficult, costIllustrative background for Costar - to be difficult, cost ?? "content

Costar - to be difficult, cost

  • Cuesto - I am difficult.
  • Cuestas - you are difficult.
  • Cuesta - he/she is difficult.
  • Costamos - we are difficult.
  • Costáis - you are difficult.
  • Cuestan - they are difficult.
Illustrative background for Mostrar - to showIllustrative background for Mostrar - to show ?? "content

Mostrar - to show

  • Muestro - I show.
  • Muestras - you show.
  • Muestra - he/she shows.
  • Mostramos - we show.
  • Mostráis - you show.
  • Muestran - they show.
Illustrative background for Verbs that follow this pattern:Illustrative background for Verbs that follow this pattern: ?? "content

Verbs that follow this pattern:

  • Volar - to fly.
  • Recordar - to remember.
  • Colgar - to put (photos on social media)
  • Almorzar - to have lunch.
  • Encontrar - to find.
  • Probar - to try/taste.
  • Acordar - to agree on.
  • Contar - to count/tell.

Exceptions

Some verbs don't follow the same patterns as other regular or irregular verbs.

Illustrative background for Jugar - to playIllustrative background for Jugar - to play ?? "content

Jugar - to play

  • Although it doesn't have an O, 'jugar' follows the same pattern as verbs that change from O → UE.
    • E.g. Jugar → juego (I play).
Illustrative background for Dar - to give Illustrative background for Dar - to give  ?? "content

Dar - to give

  • 'Dar' only changes in the first person.
    • Dar → doy (I give).
  • After that, it works like a regular AR verb.
Illustrative background for Esquiar - to skiIllustrative background for Esquiar - to ski ?? "content

Esquiar - to ski

  • Esquío - I ski.
  • Esquías - you ski.
  • Esquía - he/she skis.
  • Esquiamos - we ski.
  • Esquiáis - you ski.
  • Esquían - they ski.
  • Esquiar behaves like a regular verb but the i becomes an í for some conjugations.
Illustrative background for Confiar - to trustIllustrative background for Confiar - to trust ?? "content

Confiar - to trust

  • Confío - I trust.
  • Confías - you trust.
  • Confía - he/she trusts.
  • Confiamos - we trust.
  • Confiáis - you trust.
  • Confían - they trust.
  • Confiar behaves like a regular verb but the i becomes an í for some conjugations.
Illustrative background for Continuar - to continueIllustrative background for Continuar - to continue ?? "content

Continuar - to continue

  • Continúo - I continue.
  • Continúas - you continue.
  • Continúa - he/she continue.
  • Continuamos - we continue.
  • Continuáis - you continue.
  • Continúan - they continue.
  • Continuar behaves like a regular verb but the u becomes a ú for some conjugations.

Jump to other topics

1Los valores tradicionales y modernos

2El ciberespacio

3La igualdad de los sexos

4La inmigración

5El racismo

6La convivencia

7La influencia de los ídolos

8La identidad regional en España

9El patrimonio cultural

10El Laberinto del Fauno

11Nouns

12Articles

12.1Definite & Indefinite

12.2El with Feminine Nouns

12.3Lo + Adjective

13Adjectives

13.1Agreement

13.2Position

13.3Apocopation

13.4Comparative & Superlative

13.5Use of Adjectives as Nouns

13.6Demonstrative

13.7Indefinite

13.8Possessive

13.9Interrogative & Exclamative

13.10Relative

14Numerals & Quantifiers

15Pronouns

15.1Subject

15.2Object: Direct & Indirect

15.3Reflexive

15.4Unstressed & Stressed Forms

15.5Position & Order

15.6Relative

15.7Demonstrative

15.8Indefinite

15.9Possessive

15.10Interrogative

16Verbs

16.1Regular Conjugations

16.2Regular & Irregular Verbs

16.3Agreement of Verb & Subject

16.4Use of Hay Que in All Tenses

16.5Present Tense

16.6Preterite Tense

16.7Imperfect Tense

16.8Future Tense

16.9Conditional Tense

16.10Perfect Tense

16.11Future Perfect Tense

16.12Conditional Perfect Tense

16.13Pluperfect Tense

16.14Infinitive, Gerund & Past Participle

16.15Verbal Paraphrases

16.16Use of the Subjunctive

16.17Commands

16.18Conditional Sentences

16.19After Conjunctions of Time

16.20After Para Que, Sin Que

16.21In Relative Clauses

16.22After Other Subordinating Conjunctions

16.23With Verbs of Wishing & Commanding

16.24Sequence of Tense in Indirect Speech

16.25Voice

16.26Use of the Reflexives as a Passive

16.27Use of the Reflexive to Express an Impersonal

16.28Use of Ser + Past Participle

16.29Use of Estar + Past Participle

16.30'Nuance' Reflexive Verbs

16.31Modes of Address

16.32Constructions with Verbs

16.33Verbs Followed by an Infinitive

17Prepositions & Conjunctions

17.1All Prepositions

17.2'Personal' a

17.3Discrimination of Por and Para

17.4Coordinating Conjunctions

17.5Subordinating Conjunctions

17.6Use of Que to Introduce a Clause

18Negation, Questions & Commands

18.1Negation

19Word Order, Other Constructions & Discourse Marker

19.1Subject Following Verb

19.2Focalisation

19.3Time Expressions with Hace/Hacía

19.4Cleft Sentences

19.5Comparative Constructions

19.6Indirect Speech

19.7Discourse Markers

Go student ad image

Unlock your full potential with GoStudent tutoring

  • Affordable 1:1 tutoring from the comfort of your home

  • Tutors are matched to your specific learning needs

  • 30+ school subjects covered

Book a free trial lesson