Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must comment comment you must comment comment she must comment comment we must comment comment you must comment comment they must comment comment
V-ing form
I must be comment commenting you must be comment commenting she must be comment commenting we must be comment commenting you must be comment commenting they must be comment commenting
Perfect
I must have comment commented you must have comment commented she must have comment commented we must have comment commented you must have comment commented they must have comment commented
V-ing perfect
I must have been comment commenting you must have been comment commenting she must have been comment commenting we must have been comment commenting you must have been comment commenting they must have been comment commenting
Negation
Simple form
I must not comment comment you must not comment comment she must not comment comment we must not comment comment you must not comment comment they must not comment comment
V-ing form
I must not be comment commenting you must not be comment commenting she must not be comment commenting we must not be comment commenting you must not be comment commenting they must not be comment commenting
Perfect
I must not have comment commented you must not have comment commented she must not have comment commented we must not have comment commented you must not have comment commented they must not have comment commented
V-ing perfect
I must not have been comment commenting you must not have been comment commenting she must not have been comment commenting we must not have been comment commenting you must not have been comment commenting they must not have been comment commenting
Interrogative form
Simple form
must I comment comment? must you comment comment? must she comment comment? must we comment comment? must you comment comment? must they comment comment?
V-ing form
must I be comment commenting? must you be comment commenting? must she be comment commenting? must we be comment commenting? must you be comment commenting? must they be comment commenting?
Perfect
must I have comment commented? must you have comment commented? must she have comment commented? must we have comment commented? must you have comment commented? must they have comment commented?
V-ing perfect
must I have been comment commenting? must you have been comment commenting? must she have been comment commenting? must we have been comment commenting? must you have been comment commenting? must they have been comment commenting?
Interro-negative form
Simple form
must I not comment comment? must you not comment comment? must she not comment comment? must we not comment comment? must you not comment comment? must they not comment comment?
V-ing form
must I not be comment commenting? must you not be comment commenting? must she not be comment commenting? must we not be comment commenting? must you not be comment commenting? must they not be comment commenting?
Perfect
must I not have comment commented? must you not have comment commented? must she not have comment commented? must we not have comment commented? must you not have comment commented? must they not have comment commented?
V-ing perfect
must I not have been comment commenting? must you not have been comment commenting? must she not have been comment commenting? must we not have been comment commenting? must you not have been comment commenting? must they not have been comment commenting?