Participei
Participei is the first-person singular form of the Portuguese verb participar in the pretérito perfeito simples (simple past). It indicates that the speaker took part in an activity or event and that the action was completed in the past. The form is regular for -ar verbs, following the standard pretérito perfeito endings, as in eu participei, tu participaste, ele participou, nós participamos, eles participaram. Participei is commonly used in both Brazilian and European Portuguese to recount past participation and is typically followed by de or em to specify what was participated in, for example, participei de uma reunião or participatei do concurso.
Etymology and related forms: Participei derives from the verb participar, which comes from Latin participare, meaning
Examples: Eu participei da reunião ontem. Ela participou do concurso. Nós participamos ativamente do debate.