Irregular IR Verbs (2/6)

Spanish: Edexcel IGCSE, topic 8.2.14

Radical Changing Stems (O → U)

In the preterite tense, some verbs change their stems in the 'él/ella' and 'ellos/ellas' forms, with the 'o' changing to a 'u'. The two verbs that follow this pattern are 'morir' and 'dormir'.

Morir - to die

Morir - to die

  • Morí - I died.
  • Moriste - you died.
  • Murió - he/she died.
  • Morimos - we died.
  • Moristeis - you died.
  • Murieron - they died.
Dormir - to sleep

Dormir - to sleep

  • Dormí - I slept.
  • Dormiste - you slept.
  • Durmió - he/she slept.
  • Dormimos - we slept.
  • Dormisteis - you slept.
  • Durmieron - they slept.

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