ellos formaron

they formed

→ formar
form to form, to make + aron 3rd-person plural past tense
verb · third plural · past indicative Rare #39,771
they formed Simple past (preterite), third person plural.
SP: Ellos formaron un equipo para el proyecto.
EN: They formed a team for the project.
Conjugation of formar
Indicative past
SingularPlural
First — formamos
Third — formaron

Pero antes de eso, formaron parte del Reich alemán durante siglos.

But before that, they were part of the German Reich for centuries.

— Núremberg (2025)

Formaron un nuevo partido político.

They formed a new political party.

Los trabajadores formaron una barrera humana.

The workers formed a human barrier.

Todos formaron parte de la preparación para la fiesta.

They all took part in the preparations for the party.

Ellos formaron una cadena humana.

They formed a human chain.