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