ellos estudiaban

were studying, studied

→ estudiar
estudi study + aban they imperfect
verb · third plural · imperfect indicative Rare #42,436
were studying, studied Imperfect tense (ellos/ellas/ustedes). Often used for ongoing past actions or habitual past actions.
SP: Cuando llegué, ellos estudiaban para el examen.
EN: When I arrived, they were studying for the exam.
Conjugation of estudiar
Indicative imperfect
SingularPlural
First estudiaba —
Third estudiaba estudiaban
Subjunctive imperfect
SingularPlural
First estudiaba —
Third estudiaba estudiaban

Estudiaban.

They were studying.

Los alumnos estudiaban en parejas.

The students studied in pairs.

Los dos estudiaban Derecho juntos.

The two were studying Law together.

— Crazy Rich Asians (2018)

Los alumnos estudiaban en grupos de dos.

The students studied in groups of two.

Pero creía que los dos estudiaban juntos en las clases del MBA.

But I thought they were both studying together in the MBA classes.

— Kal Ho Naa Ho (2003)