Missa verbs may exhibit the following verb inflections:

• TAM marking
• Agreement in gender and number marking with the subject (number for all persons, gender only for third person non-inanimate referents)
• Realis vs. irrealis
• Polarity
• Illocution
• Voice (passive vs. active)
• Transitivity (in verbs which are not inherently transitive/intransitive)
• Reciprocity/reflexiveness
• Deixis (dialectal and normally frowned upon, but still found)
• Direction (in verbs of movement)

9 categories.