I must figure you must figure he must figure we must figure you must figure they must figure
V-ing form
I must be figuring you must be figuring he must be figuring we must be figuring you must be figuring they must be figuring
Perfect
I must have figured you must have figured he must have figured we must have figured you must have figured they must have figured
V-ing perfect
I must have been figuring you must have been figuring he must have been figuring we must have been figuring you must have been figuring they must have been figuring
Negation
Simple form
I must not figure you must not figure he must not figure we must not figure you must not figure they must not figure
V-ing form
I must not be figuring you must not be figuring he must not be figuring we must not be figuring you must not be figuring they must not be figuring
Perfect
I must not have figured you must not have figured he must not have figured we must not have figured you must not have figured they must not have figured
V-ing perfect
I must not have been figuring you must not have been figuring he must not have been figuring we must not have been figuring you must not have been figuring they must not have been figuring
Interrogative form
Simple form
must I figure? must you figure? must he figure? must we figure? must you figure? must they figure?
V-ing form
must I be figuring? must you be figuring? must he be figuring? must we be figuring? must you be figuring? must they be figuring?
Perfect
must I have figured? must you have figured? must he have figured? must we have figured? must you have figured? must they have figured?
V-ing perfect
must I have been figuring? must you have been figuring? must he have been figuring? must we have been figuring? must you have been figuring? must they have been figuring?
Interro-negative form
Simple form
must I not figure? must you not figure? must he not figure? must we not figure? must you not figure? must they not figure?
V-ing form
must I not be figuring? must you not be figuring? must he not be figuring? must we not be figuring? must you not be figuring? must they not be figuring?
Perfect
must I not have figured? must you not have figured? must he not have figured? must we not have figured? must you not have figured? must they not have figured?
V-ing perfect
must I not have been figuring? must you not have been figuring? must he not have been figuring? must we not have been figuring? must you not have been figuring? must they not have been figuring?