I must adumbrate you must adumbrate he must adumbrate we must adumbrate you must adumbrate they must adumbrate
V-ing form
I must be adumbrating you must be adumbrating he must be adumbrating we must be adumbrating you must be adumbrating they must be adumbrating
Perfect
I must have adumbrated you must have adumbrated he must have adumbrated we must have adumbrated you must have adumbrated they must have adumbrated
V-ing perfect
I must have been adumbrating you must have been adumbrating he must have been adumbrating we must have been adumbrating you must have been adumbrating they must have been adumbrating
Negation
Simple form
I must not adumbrate you must not adumbrate he must not adumbrate we must not adumbrate you must not adumbrate they must not adumbrate
V-ing form
I must not be adumbrating you must not be adumbrating he must not be adumbrating we must not be adumbrating you must not be adumbrating they must not be adumbrating
Perfect
I must not have adumbrated you must not have adumbrated he must not have adumbrated we must not have adumbrated you must not have adumbrated they must not have adumbrated
V-ing perfect
I must not have been adumbrating you must not have been adumbrating he must not have been adumbrating we must not have been adumbrating you must not have been adumbrating they must not have been adumbrating
Interrogative form
Simple form
must I adumbrate? must you adumbrate? must he adumbrate? must we adumbrate? must you adumbrate? must they adumbrate?
V-ing form
must I be adumbrating? must you be adumbrating? must he be adumbrating? must we be adumbrating? must you be adumbrating? must they be adumbrating?
Perfect
must I have adumbrated? must you have adumbrated? must he have adumbrated? must we have adumbrated? must you have adumbrated? must they have adumbrated?
V-ing perfect
must I have been adumbrating? must you have been adumbrating? must he have been adumbrating? must we have been adumbrating? must you have been adumbrating? must they have been adumbrating?
Interro-negative form
Simple form
must I not adumbrate? must you not adumbrate? must he not adumbrate? must we not adumbrate? must you not adumbrate? must they not adumbrate?
V-ing form
must I not be adumbrating? must you not be adumbrating? must he not be adumbrating? must we not be adumbrating? must you not be adumbrating? must they not be adumbrating?
Perfect
must I not have adumbrated? must you not have adumbrated? must he not have adumbrated? must we not have adumbrated? must you not have adumbrated? must they not have adumbrated?
V-ing perfect
must I not have been adumbrating? must you not have been adumbrating? must he not have been adumbrating? must we not have been adumbrating? must you not have been adumbrating? must they not have been adumbrating?