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 mustn't adumbrate you mustn't adumbrate he mustn't adumbrate we mustn't adumbrate you mustn't adumbrate they mustn't adumbrate
V-ing form
I mustn't be adumbrating you mustn't be adumbrating he mustn't be adumbrating we mustn't be adumbrating you mustn't be adumbrating they mustn't be adumbrating
Perfect
I mustn't have adumbrated you mustn't have adumbrated he mustn't have adumbrated we mustn't have adumbrated you mustn't have adumbrated they mustn't have adumbrated
V-ing perfect
I mustn't have been adumbrating you mustn't have been adumbrating he mustn't have been adumbrating we mustn't have been adumbrating you mustn't have been adumbrating they mustn't 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
mustn't I adumbrate? mustn't you adumbrate? mustn't he adumbrate? mustn't we adumbrate? mustn't you adumbrate? mustn't they adumbrate?
V-ing form
mustn't I be adumbrating? mustn't you be adumbrating? mustn't he be adumbrating? mustn't we be adumbrating? mustn't you be adumbrating? mustn't they be adumbrating?
Perfect
mustn't I have adumbrated? mustn't you have adumbrated? mustn't he have adumbrated? mustn't we have adumbrated? mustn't you have adumbrated? mustn't they have adumbrated?
V-ing perfect
mustn't I have been adumbrating? mustn't you have been adumbrating? mustn't he have been adumbrating? mustn't we have been adumbrating? mustn't you have been adumbrating? mustn't they have been adumbrating?