Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must hike.march you must hike.march he must hike.march we must hike.march you must hike.march they must hike.march
V-ing form
I must be hike.marching you must be hike.marching he must be hike.marching we must be hike.marching you must be hike.marching they must be hike.marching
Perfect
I must have hike.marched you must have hike.marched he must have hike.marched we must have hike.marched you must have hike.marched they must have hike.marched
V-ing perfect
I must have been hike.marching you must have been hike.marching he must have been hike.marching we must have been hike.marching you must have been hike.marching they must have been hike.marching
Negation
Simple form
I mustn't hike.march you mustn't hike.march he mustn't hike.march we mustn't hike.march you mustn't hike.march they mustn't hike.march
V-ing form
I mustn't be hike.marching you mustn't be hike.marching he mustn't be hike.marching we mustn't be hike.marching you mustn't be hike.marching they mustn't be hike.marching
Perfect
I mustn't have hike.marched you mustn't have hike.marched he mustn't have hike.marched we mustn't have hike.marched you mustn't have hike.marched they mustn't have hike.marched
V-ing perfect
I mustn't have been hike.marching you mustn't have been hike.marching he mustn't have been hike.marching we mustn't have been hike.marching you mustn't have been hike.marching they mustn't have been hike.marching
Interrogative form
Simple form
must I hike.march? must you hike.march? must he hike.march? must we hike.march? must you hike.march? must they hike.march?
V-ing form
must I be hike.marching? must you be hike.marching? must he be hike.marching? must we be hike.marching? must you be hike.marching? must they be hike.marching?
Perfect
must I have hike.marched? must you have hike.marched? must he have hike.marched? must we have hike.marched? must you have hike.marched? must they have hike.marched?
V-ing perfect
must I have been hike.marching? must you have been hike.marching? must he have been hike.marching? must we have been hike.marching? must you have been hike.marching? must they have been hike.marching?
Interro-negative form
Simple form
mustn't I hike.march? mustn't you hike.march? mustn't he hike.march? mustn't we hike.march? mustn't you hike.march? mustn't they hike.march?
V-ing form
mustn't I be hike.marching? mustn't you be hike.marching? mustn't he be hike.marching? mustn't we be hike.marching? mustn't you be hike.marching? mustn't they be hike.marching?
Perfect
mustn't I have hike.marched? mustn't you have hike.marched? mustn't he have hike.marched? mustn't we have hike.marched? mustn't you have hike.marched? mustn't they have hike.marched?
V-ing perfect
mustn't I have been hike.marching? mustn't you have been hike.marching? mustn't he have been hike.marching? mustn't we have been hike.marching? mustn't you have been hike.marching? mustn't they have been hike.marching?