may still
Regular verb: still - stilled- stilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may still
you may still
she may still
we may still
you may still
they may still 	I may be stilling
you may be stilling
she may be stilling
we may be stilling
you may be stilling
they may be stilling	I may have stilled
you may have stilled
she may have stilled
we may have stilled
you may have stilled
they may have stilled	I may have been stilling
you may have been stilling
she may have been stilling
we may have been stilling
you may have been stilling
they may have been stilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't still
you mayn't still
she mayn't still
we mayn't still
you mayn't still
they mayn't still 	I mayn't be stilling
you mayn't be stilling
she mayn't be stilling
we mayn't be stilling
you mayn't be stilling
they mayn't be stilling	I mayn't have stilled
you mayn't have stilled
she mayn't have stilled
we mayn't have stilled
you mayn't have stilled
they mayn't have stilled	I mayn't have been stilling
you mayn't have been stilling
she mayn't have been stilling
we mayn't have been stilling
you mayn't have been stilling
they mayn't have been stilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I still?
may you still?
may she still?
may we still?
may you still?
may they still? 	may I be stilling?
may you be stilling?
may she be stilling?
may we be stilling?
may you be stilling?
may they be stilling? 	may I have stilled?
may you have stilled?
may she have stilled?
may we have stilled?
may you have stilled?
may they have stilled? 	may I have been stilling?
may you have been stilling?
may she have been stilling?
may we have been stilling?
may you have been stilling?
may they have been stilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I still?
mayn't you still?
mayn't she still?
mayn't we still?
mayn't you still?
mayn't they still? 	mayn't I be stilling?
mayn't you be stilling?
mayn't she be stilling?
mayn't we be stilling?
mayn't you be stilling?
mayn't they be stilling? 	mayn't I have stilled?
mayn't you have stilled?
mayn't she have stilled?
mayn't we have stilled?
mayn't you have stilled?
mayn't they have stilled? 	mayn't I have been stilling?
mayn't you have been stilling?
mayn't she have been stilling?
mayn't we have been stilling?
mayn't you have been stilling?
mayn't they have been stilling?