hallados

In a sentence

• Los objetos perdidos fueron hallados en el parque.

  The lost objects were found in the park.

  Here, 'hallados' is used as an adjective, derived from the past participle of 'hallar', describing the objects that were found.

• Los restos hallados pertenecen a una civilización antigua.

  The remains found belong to an ancient civilization.

  In this sentence, 'hallados' acts as an adjective, providing more information about 'los restos' and referring to them being discovered.

• Gracias a las pistas, los detectives hallados resolvieron el caso.

  Thanks to the clues, the detectives who were found solved the case.

  Here, 'hallados' is part of a reduced relative clause, modifying 'los detectives' to specify those who were found.