may slumber
Regular verb: slumber - slumbered- slumbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may slumber
you may slumber
she may slumber
we may slumber
you may slumber
they may slumber 	I may be slumbering
you may be slumbering
she may be slumbering
we may be slumbering
you may be slumbering
they may be slumbering	I may have slumbered
you may have slumbered
she may have slumbered
we may have slumbered
you may have slumbered
they may have slumbered	I may have been slumbering
you may have been slumbering
she may have been slumbering
we may have been slumbering
you may have been slumbering
they may have been slumbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't slumber
you mayn't slumber
she mayn't slumber
we mayn't slumber
you mayn't slumber
they mayn't slumber 	I mayn't be slumbering
you mayn't be slumbering
she mayn't be slumbering
we mayn't be slumbering
you mayn't be slumbering
they mayn't be slumbering	I mayn't have slumbered
you mayn't have slumbered
she mayn't have slumbered
we mayn't have slumbered
you mayn't have slumbered
they mayn't have slumbered	I mayn't have been slumbering
you mayn't have been slumbering
she mayn't have been slumbering
we mayn't have been slumbering
you mayn't have been slumbering
they mayn't have been slumbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I slumber?
may you slumber?
may she slumber?
may we slumber?
may you slumber?
may they slumber? 	may I be slumbering?
may you be slumbering?
may she be slumbering?
may we be slumbering?
may you be slumbering?
may they be slumbering? 	may I have slumbered?
may you have slumbered?
may she have slumbered?
may we have slumbered?
may you have slumbered?
may they have slumbered? 	may I have been slumbering?
may you have been slumbering?
may she have been slumbering?
may we have been slumbering?
may you have been slumbering?
may they have been slumbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I slumber?
mayn't you slumber?
mayn't she slumber?
mayn't we slumber?
mayn't you slumber?
mayn't they slumber? 	mayn't I be slumbering?
mayn't you be slumbering?
mayn't she be slumbering?
mayn't we be slumbering?
mayn't you be slumbering?
mayn't they be slumbering? 	mayn't I have slumbered?
mayn't you have slumbered?
mayn't she have slumbered?
mayn't we have slumbered?
mayn't you have slumbered?
mayn't they have slumbered? 	mayn't I have been slumbering?
mayn't you have been slumbering?
mayn't she have been slumbering?
mayn't we have been slumbering?
mayn't you have been slumbering?
mayn't they have been slumbering?