participéis
Participéis is the second person plural form of the Spanish verb participar in the present subjunctive mood. It corresponds to the idea of “you all participate” in subordinate clauses, not as a stand-alone statement in the indicative.
Participáis is formed from the stem particip- plus the present-subjunctive ending for vosotros, -éis. The full
The subjunctive is used in clauses that express doubt, desire, possibility, necessity, emotion, or after certain
In Spain, where the vosotros form is standard, participéis is the correct form in the present subjunctive
Present subjunctive, vosotros form. participation and agreement marked by subject in subordinate clauses.