Irregular 'ER' Verbs: No Pattern

Spanish: Cambridge International GCSE, topic 10.6.13

No Pattern

Some ER verbs in the present subjunctive do not have the same stem as the present tense but they do add the regular subjunctive endings. There are four ER verbs worth to mention:

'Ser'

'Ser'

  • Uses ‘quep’ as stem in all the forms followed by the regular subjunctive endings.
  • Sea - I am.
  • Seas - you are.
  • Sea - he/she is / you are (formal).
  • Seamos - we are.
  • Seáis - you are (plural).
  • Sean - they are / you are (formal plural).
'Caber'

'Caber'

  • Uses ‘quep’ as stem in all the forms followed by the regular subjunctive endings.
  • Quepa - I fit.
  • Quepas - you fit.
  • Quepa - he/she fits / you fit (formal).
  • Quepamos - we fit.
  • Quepáis - you fit (plural).
  • Quepan - they fit / you fit (formal plural).
'Haber'

'Haber'

  • Uses ‘hay’ as stem in all the forms followed by the regular subjunctive endings.
  • Haya - I have.
  • Hayas - you have.
  • Haya - he/she has / you have (formal).
  • Hayamos - we have.
  • Hayáis - you have (plural).
  • Hayan - they have / you have (formal plural).
'Saber'

'Saber'

  • Uses ‘sep’ as stem in all the forms followed by the regular subjunctive endings.
  • Sepa - I know.
  • Sepas - you know.
  • Sepa - he/she knows / you know (formal).
  • Sepamos - we know.
  • Sepáis - you know (plural).
  • Sepan - they know / you know (formal plural).

Test yourself on Irregular 'ER' Verbs: No Pattern

  • How do you say 'they know' in the present subjunctive in Spanish?

Practise this topic for free