Tu no hablas (you're not speaking) = "No hables" (don't speak)
Tu no comes (you're not eating) = "No comas" (don't eat)
Vosotros no hablais (you're [all] not speaking) = "No hableis" (don't speak)
Vosotros no comeis (you're [all] not eating) = "No comais" (don't eat)
no habla (you're [formal] not speaking) = "No hable" (don't speak)
no come (you're [formal] not eating) = "No coma" (don't eat)
so like this
The first answer is practicar
He is an pronoun because its telling him like he she
