may still
Regular verb: still - stilled- stilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may still
you may still
he may still
we may still
you may still
they may still 	I may be stilling
you may be stilling
he may be stilling
we may be stilling
you may be stilling
they may be stilling	I may have stilled
you may have stilled
he 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
he 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
he 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
he 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
he 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
he 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 he still?
may we still?
may you still?
may they still? 	may I be stilling?
may you be stilling?
may he be stilling?
may we be stilling?
may you be stilling?
may they be stilling? 	may I have stilled?
may you have stilled?
may he 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 he 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 he 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 he 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 he 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 he have been stilling?
mayn't we have been stilling?
mayn't you have been stilling?
mayn't they have been stilling?