Editing Mam language (section)

===Verb morphemes===
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'''Transitive verbal affixes'''
*-bʼaa 'transitivizer' (vowel length can also be used)
*-laa 'applicative'
*-wa 'applicative'
*-bʼV 'causative'
*-chV 'causative' (variants: -chaa, -chii, -chuu)
*-kʼuu 'causative'
*-lV 'causative'
*-mV 'causative'
*-nV 'causative'
*-pV 'causative'
*-qʼV 'causative'
*-saa 'causative'
*-tzii 'causative'
*-tzʼV 'causative'
*-txʼii 'causative'
*-wV 'causative'
*-najee' 'repetitive'
*-'kJ 'processive'
*-'tz 'processive imperative'
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'''Intransitive verbal affixes'''
*-n 'antipassive'
*-Vn 'affect'
*-ax 'versive'
*-ee' 'versive'
*-eet 'passive'
*-j 'passive'
*-njtz 'passive'
*-bʼaj 'processive passive'
*-bʼa 'intransitivizer'
*-ch 'intransitivizer'
*-chaj 'intransitivizer'
*-paj 'intransitivizer'
*-t 'intransitivizer'
*-tzʼaj 'intransitivizer'
*-tzʼaq 'intransitivizer'
*-' ... -al 'specific termination'
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'''Other verbal affixes'''
*-l 'infinitive'
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'''Aspects'''

Mam verbs have 6 aspects that are prefixed to the verb root.{{sfn|England|1983|pp=58, 161–162}}
*ma 'recent past'
*o 'past'
*ok 'potential' (not obligatory)
*n- 'progressive'
*x- 'recent past dependent' (used in subordinate clauses)
*Ø- 'past dependent' (used in subordinate clauses)
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'''Modes'''
*Potential transitive: -a'
*Potential intransitive: -l
*Imperative: -m (-n before directionals)
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'''Directionals'''

Directionals are auxiliary elements in verb phrases. They are derived from intransitive verbs.

*xi 'away from'
*tzaj 'toward'
*ul 'there to here'
*pon 'here to there'
*kubʼ 'down'
*jaw 'up'
*el 'out'
*ok 'in'
*kyaj 'remaining'
*aj 'returning from here'
*ikyʼ 'passing'
*bʼaj 'complete'
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