This article aims to put Latin impersonal passive into the context of covert categories, specificallypluractionality. I try reanalyse six passages from Roman grammatical texts, mostly compiled in Heinrich Keil’s Grammatici Latini, which meaning passives is considered. There are two groups evidence. The first one (passages Diomedes, Priscian, and frg. Bobiense de verbo) presents as a linguistic ...