Imperfect Subjunctive: Irregular 'AR'
Spanish: Cambridge International GCSE, topic 10.7.2
Irregular AR Verbs
All the strong preterites are irregular in the imperfect subjunctive. Their imperfect stem is formed from their irregular 'ellos/ellas' form in the preterite. You just remove the 'ron' and add the imperfect subjunctive endings.

Andar - to walk
- Anduviera/anduviese - I walked.
- Anduvieras/anduvieses - you walked.
- Anduviera/anduviese - he/she walked / you walked (formal).
- Anduviéramos/anduviésemos - we walked.
- Anduvierais/anduvieseis - you walked (plural).
- Anduvieran/anduviesen - they walked / you walked (formal plural).

Estar - to be
- Estuviera/estuviese - I was.
- Estuvieras/estuvieses - you were.
- Estuviera/estuviese - he/she was / you were (formal).
- Estuviéramos/estuviésemos - we were.
- Estuvierais/estuvieseis - you were (formal).
- Estuvieran/estuviesen - they were / you were (formal plural).

Dar - to give
- Diera/diese - I gave.
- Dieras/dieses - you gave.
- Diera/diese - he/she gave / you gave (formal).
- Diéramos/diésemos - we gave.
- Dierais/dievseis= - you gave (plural).
- Dieran/diesen - they gave / you gave (formal plural).
Test yourself on Imperfect Subjunctive: Irregular 'AR'
How do you say 'they walked' in the imperfect subjunctive in Spanish?
How do you say 'we gave' in the imperfect subjunctive?