may slump
Regular verb: slump - slumped- slumped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may slump
you may slump
she may slump
we may slump
you may slump
they may slump 	I may be slumping
you may be slumping
she may be slumping
we may be slumping
you may be slumping
they may be slumping	I may have slumped
you may have slumped
she may have slumped
we may have slumped
you may have slumped
they may have slumped	I may have been slumping
you may have been slumping
she may have been slumping
we may have been slumping
you may have been slumping
they may have been slumping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't slump
you mayn't slump
she mayn't slump
we mayn't slump
you mayn't slump
they mayn't slump 	I mayn't be slumping
you mayn't be slumping
she mayn't be slumping
we mayn't be slumping
you mayn't be slumping
they mayn't be slumping	I mayn't have slumped
you mayn't have slumped
she mayn't have slumped
we mayn't have slumped
you mayn't have slumped
they mayn't have slumped	I mayn't have been slumping
you mayn't have been slumping
she mayn't have been slumping
we mayn't have been slumping
you mayn't have been slumping
they mayn't have been slumping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I slump?
may you slump?
may she slump?
may we slump?
may you slump?
may they slump? 	may I be slumping?
may you be slumping?
may she be slumping?
may we be slumping?
may you be slumping?
may they be slumping? 	may I have slumped?
may you have slumped?
may she have slumped?
may we have slumped?
may you have slumped?
may they have slumped? 	may I have been slumping?
may you have been slumping?
may she have been slumping?
may we have been slumping?
may you have been slumping?
may they have been slumping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I slump?
mayn't you slump?
mayn't she slump?
mayn't we slump?
mayn't you slump?
mayn't they slump? 	mayn't I be slumping?
mayn't you be slumping?
mayn't she be slumping?
mayn't we be slumping?
mayn't you be slumping?
mayn't they be slumping? 	mayn't I have slumped?
mayn't you have slumped?
mayn't she have slumped?
mayn't we have slumped?
mayn't you have slumped?
mayn't they have slumped? 	mayn't I have been slumping?
mayn't you have been slumping?
mayn't she have been slumping?
mayn't we have been slumping?
mayn't you have been slumping?
mayn't they have been slumping?