ellos dormían

were sleeping, slept

→ dormir
dorm sleep + ían 3rd person plural imperfect (indicative or subjunctive)
verb · third plural · imperfect indicative Rare #33,030
were sleeping, slept Imperfect tense (they/you all).
SP: Cuando llegué, ellos dormían en el sofá.
EN: When I arrived, they were sleeping on the couch.
Conjugation of dormir
Indicative imperfect
SingularPlural
First dormía —
Second dormías —
Third dormía dormían
Subjunctive imperfect
SingularPlural
First dormía —
Second dormías —
Third dormía dormían

Ellas dormían en la misma cama.

They slept in the same bed.

Los hijos de Dan dormían en el piso de arriba.

Dan’s children were sleeping upstairs.

Dormían.

They were sleeping.

Hicieron como que dormían.

They pretended to be asleep.

Tanto Tom como Mary murieron mientras dormían.

Both Tom and Mary died in their sleep.

Dormían en habitaciones separadas hasta que estuvieran casados.

They slept in separate rooms until they were married.

Todos los camaradas dormían.

All the comrades were asleep.

Ustedes dormían.

You were asleep.