may scuff
Regular verb: scuff - scuffed- scuffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may scuff
you may scuff
he may scuff
we may scuff
you may scuff
they may scuff 	I may be scuffing
you may be scuffing
he may be scuffing
we may be scuffing
you may be scuffing
they may be scuffing	I may have scuffed
you may have scuffed
he may have scuffed
we may have scuffed
you may have scuffed
they may have scuffed	I may have been scuffing
you may have been scuffing
he may have been scuffing
we may have been scuffing
you may have been scuffing
they may have been scuffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't scuff
you mayn't scuff
he mayn't scuff
we mayn't scuff
you mayn't scuff
they mayn't scuff 	I mayn't be scuffing
you mayn't be scuffing
he mayn't be scuffing
we mayn't be scuffing
you mayn't be scuffing
they mayn't be scuffing	I mayn't have scuffed
you mayn't have scuffed
he mayn't have scuffed
we mayn't have scuffed
you mayn't have scuffed
they mayn't have scuffed	I mayn't have been scuffing
you mayn't have been scuffing
he mayn't have been scuffing
we mayn't have been scuffing
you mayn't have been scuffing
they mayn't have been scuffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I scuff?
may you scuff?
may he scuff?
may we scuff?
may you scuff?
may they scuff? 	may I be scuffing?
may you be scuffing?
may he be scuffing?
may we be scuffing?
may you be scuffing?
may they be scuffing? 	may I have scuffed?
may you have scuffed?
may he have scuffed?
may we have scuffed?
may you have scuffed?
may they have scuffed? 	may I have been scuffing?
may you have been scuffing?
may he have been scuffing?
may we have been scuffing?
may you have been scuffing?
may they have been scuffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I scuff?
mayn't you scuff?
mayn't he scuff?
mayn't we scuff?
mayn't you scuff?
mayn't they scuff? 	mayn't I be scuffing?
mayn't you be scuffing?
mayn't he be scuffing?
mayn't we be scuffing?
mayn't you be scuffing?
mayn't they be scuffing? 	mayn't I have scuffed?
mayn't you have scuffed?
mayn't he have scuffed?
mayn't we have scuffed?
mayn't you have scuffed?
mayn't they have scuffed? 	mayn't I have been scuffing?
mayn't you have been scuffing?
mayn't he have been scuffing?
mayn't we have been scuffing?
mayn't you have been scuffing?
mayn't they have been scuffing?