English verb conjugation
MUST ROLL

Regular verb: roll - rolled - rolled

Affirmation

Simple form	V-ing form
I must roll you must roll he must roll we must roll you must roll they must roll	I must be rolling you must be rolling he must be rolling we must be rolling you must be rolling they must be rolling
Perfect	V-ing perfect
I must have rolled you must have rolled he must have rolled we must have rolled you must have rolled they must have rolled	I must have been rolling you must have been rolling he must have been rolling we must have been rolling you must have been rolling they must have been rolling

Negation

Simple form	V-ing form
I must not roll you must not roll he must not roll we must not roll you must not roll they must not roll	I must not be rolling you must not be rolling he must not be rolling we must not be rolling you must not be rolling they must not be rolling
Perfect	V-ing perfect
I must not have rolled you must not have rolled he must not have rolled we must not have rolled you must not have rolled they must not have rolled	I must not have been rolling you must not have been rolling he must not have been rolling we must not have been rolling you must not have been rolling they must not have been rolling

Interrogative form

Simple form	V-ing form
must I roll? must you roll? must he roll? must we roll? must you roll? must they roll?	must I be rolling? must you be rolling? must he be rolling? must we be rolling? must you be rolling? must they be rolling?
Perfect	V-ing perfect
must I have rolled? must you have rolled? must he have rolled? must we have rolled? must you have rolled? must they have rolled?	must I have been rolling? must you have been rolling? must he have been rolling? must we have been rolling? must you have been rolling? must they have been rolling?

Interro-negative form

Simple form	V-ing form
must I not roll? must you not roll? must he not roll? must we not roll? must you not roll? must they not roll?	must I not be rolling? must you not be rolling? must he not be rolling? must we not be rolling? must you not be rolling? must they not be rolling?
Perfect	V-ing perfect
must I not have rolled? must you not have rolled? must he not have rolled? must we not have rolled? must you not have rolled? must they not have rolled?	must I not have been rolling? must you not have been rolling? must he not have been rolling? must we not have been rolling? must you not have been rolling? must they not have been rolling?