participaran

form-of imperfect plural subjunctive third-person

participarの三人称複数未完了接続法

English Meaning

third-person plural imperfect subjunctive of participar

Si participaran en el proyecto comunitario, fortalecerían los lazos del vecindario.

もし彼らが地域プロジェクトに参加していたら、近隣の結びつきを強化したでしょう。

If they were to take part in the community project, they would strengthen the neighborhood bonds.