The aspectual opposition between imperfective and perfective verbs remains semantic in most verbal forms. The auxiliary verbs can be both perfective and imperfective. Verbs in Slavic languages have a perfective and/or an imperfective form. In the Slavic languages, verbs are intrinsically perfective or imperfective. Verbs are of imperfective or perfective aspect, often occurring in pairs. Bulgarian has separate inflections for aorist (past imperfective) and general perfective. Ukrainian verbs come in aspect pairs&colon; perfective, and imperfective. This distinction is actually one of perfective vs. imperfective aspect. There are two main aspectual distinctions in Kashmiri, perfective and imperfective. Another important distinction in Chewa is between perfective and imperfective aspect. Slavey has two semantic aspects&colon; perfective and imperfective. Usage of the perfective aspect follows the same pattern as the imperfective aspect. This is a rough equivalent of the perfective vs. imperfective aspect opposition. There is no distinction in the future between perfective and imperfective aspect. Initially, it was used with both perfective and imperfective verbs.