Assertion: perfective | /r/HasProperty | a form of the imperfective
Facets:
value: with a changed suffix
type: OTHER
value: with a prefix
type: OTHER
Source sentences:
text: The reader is told that most verbs are imperfective, that the perfective is a form of the imperfective with a prefix, or a changed suffix, that the future of the imperfective is formed by using the verb