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