dormir
M035 Stem changeDormir — stem change o→ue + o→u (to sleep)
o→ue + o→u
4
verbs
Difficulty
Summary
DORMIR combines o->ue in stressed present forms with o->u in key derived forms: durmió, durmiera, durmiendo.
Technical explanation
Model for dormir/morir (and reflexive forms):
- Present indicative: duermo, duermes...; dormimos, dormís.
- Present subjunctive: duerma/duermas..., but durmamos/durmáis.
- Preterite: 3rd persons switch to u (durmió, durmieron; murió, murieron).
- Imperfect/future subjunctive derive from that stem: durmiera/durmiere.
- Gerund: durmiendo, muriendo.
Examples
- Duermo poco entre semana.
- Cuando murió, todos callaron.
- Si durmieras mejor, rendirías más.
Teacher guide (Spain)
Teach this as a two-step chain: duermo -> durmió -> durmiera.
1) Core verbs
Present Indicative
yo
duermo
tú
duermes
él/ella
duerme
Pattern cheat sheet
Most-used tenses for this model, with an optional comparison against the regular pattern.
Indicativo — Indicative
Presente
Present Indicative
This model
yo
duermo
tú
duermes
él/ella
duerme
Regular anchor
yo
vivo
tú
vives
él/ella
vive
Pretérito perfecto simple
Preterite Indicative
This model
yo
dormí
tú
dormiste
él/ella
durmió
Regular anchor
yo
viví
tú
viviste
él/ella
vivió
Pretérito imperfecto
Imperfect Indicative
This model
yo
dormía
tú
dormías
él/ella
dormía
Regular anchor
yo
vivía
tú
vivías
él/ella
vivía
Futuro simple
Future Indicative
This model
yo
dormiré
tú
dormirás
él/ella
dormirá
Regular anchor
yo
viviré
tú
vivirás
él/ella
vivirá
Condicional simple
Conditional
This model
yo
dormiría
tú
dormirías
él/ella
dormiría
Regular anchor
yo
viviría
tú
vivirías
él/ella
viviría
Subjuntivo — Subjunctive
Presente de subjuntivo
Present Subjunctive
This model
yo
duerma
tú
duermas
él/ella
duerma
Regular anchor
yo
viva
tú
vivas
él/ella
viva
Imperativo — Imperative
Imperativo afirmativo
Imperative
This model
yo
—
tú
duerme
él/ella
duerma
Regular anchor
yo
—
tú
vive
él/ella
viva
Imperativo negativo
Negative Imperative
This model
yo
—
tú
duermas
él/ella
duerma
Regular anchor
yo
—
tú
vivas
él/ella
viva
Tense availability
Supported for this model (informational). Open a verb page to view full conjugation tables by tense.
Supported
More tenses are rolling out over time.
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