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Both "participan" and "participen" are forms of "participar", which is often translated as "to participate". Learn more about "participar" below.
participar()
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
a. to participate
Mi hermano decidió participar en un triatlón.My brother decided to participate in a triathlon.
a. to share
Participó de su conocimiento para el bien de todos.She shared her knowledge for the good of all.
a. to have a share
Carlos Slim participa en varias empresas.Carlos Slim has shares in several companies.
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
4. (to notify)
a. to inform
Les quiero participar los acontecimientos más recientes.I want to inform you of the latest developments.