I may adumbrate you may adumbrate he may adumbrate we may adumbrate you may adumbrate they may adumbrate
V-ing form
I may be adumbrating you may be adumbrating he may be adumbrating we may be adumbrating you may be adumbrating they may be adumbrating
Perfect
I may have adumbrated you may have adumbrated he may have adumbrated we may have adumbrated you may have adumbrated they may have adumbrated
V-ing perfect
I may have been adumbrating you may have been adumbrating he may have been adumbrating we may have been adumbrating you may have been adumbrating they may have been adumbrating
Negation
Simple form
I mayn't adumbrate you mayn't adumbrate he mayn't adumbrate we mayn't adumbrate you mayn't adumbrate they mayn't adumbrate
V-ing form
I mayn't be adumbrating you mayn't be adumbrating he mayn't be adumbrating we mayn't be adumbrating you mayn't be adumbrating they mayn't be adumbrating
Perfect
I mayn't have adumbrated you mayn't have adumbrated he mayn't have adumbrated we mayn't have adumbrated you mayn't have adumbrated they mayn't have adumbrated
V-ing perfect
I mayn't have been adumbrating you mayn't have been adumbrating he mayn't have been adumbrating we mayn't have been adumbrating you mayn't have been adumbrating they mayn't have been adumbrating
Interrogative form
Simple form
may I adumbrate? may you adumbrate? may he adumbrate? may we adumbrate? may you adumbrate? may they adumbrate?
V-ing form
may I be adumbrating? may you be adumbrating? may he be adumbrating? may we be adumbrating? may you be adumbrating? may they be adumbrating?
Perfect
may I have adumbrated? may you have adumbrated? may he have adumbrated? may we have adumbrated? may you have adumbrated? may they have adumbrated?
V-ing perfect
may I have been adumbrating? may you have been adumbrating? may he have been adumbrating? may we have been adumbrating? may you have been adumbrating? may they have been adumbrating?
Interro-negative form
Simple form
mayn't I adumbrate? mayn't you adumbrate? mayn't he adumbrate? mayn't we adumbrate? mayn't you adumbrate? mayn't they adumbrate?
V-ing form
mayn't I be adumbrating? mayn't you be adumbrating? mayn't he be adumbrating? mayn't we be adumbrating? mayn't you be adumbrating? mayn't they be adumbrating?
Perfect
mayn't I have adumbrated? mayn't you have adumbrated? mayn't he have adumbrated? mayn't we have adumbrated? mayn't you have adumbrated? mayn't they have adumbrated?
V-ing perfect
mayn't I have been adumbrating? mayn't you have been adumbrating? mayn't he have been adumbrating? mayn't we have been adumbrating? mayn't you have been adumbrating? mayn't they have been adumbrating?