Irregular AR Verbs - O-> UE
Spanish: KS3, topic 16.1.3
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.

Stem changes O → UE
- 'Soñar' (to dream) becomes 'sueño' (I dream).
- 'Encontrar' (to find) becomes 'encuentro' (I find).

Soñar - to dream
- Sueño - I dream.
- Sueñas - you dream.
- Sueña - He/she dreams.
- Soñamos - we dream.
- Soñáis - you dream.
- Sueñan - they dream.

Aprobar - to approve
- Apruebo - I approve.
- Apruebas - you approve.
- Aprueba - he/she approves.
- Aprobamos - we approve.
- Aprobáis - you approve.
- Aprueban - they approve.

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.

Mostrar - to show
- Muestro - I show.
- Muestras - you show.
- Muestra - he/she shows.
- Mostramos - we show.
- Mostráis - you show.
- Muestran - they show.

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.
Test yourself on Irregular AR Verbs - O-> UE
Encontrar - to Find
How do you say 'they try'?
Which of the following is the correct structure of the verb "mostrar"?