may scuff
Verbo regular: scuff - scuffed- scuffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may scuff
you may scuff
she may scuff
we may scuff
you may scuff
they may scuff 	I may be scuffing
you may be scuffing
she may be scuffing
we may be scuffing
you may be scuffing
they may be scuffing	I may have scuffed
you may have scuffed
she 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
she may have been scuffing
we may have been scuffing
you may have been scuffing
they may have been scuffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not scuff
you may not scuff
she may not scuff
we may not scuff
you may not scuff
they may not scuff 	I may not be scuffing
you may not be scuffing
she may not be scuffing
we may not be scuffing
you may not be scuffing
they may not be scuffing	I may not have scuffed
you may not have scuffed
she may not have scuffed
we may not have scuffed
you may not have scuffed
they may not have scuffed	I may not have been scuffing
you may not have been scuffing
she may not have been scuffing
we may not have been scuffing
you may not have been scuffing
they may not have been scuffing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I scuff?
may you scuff?
may she scuff?
may we scuff?
may you scuff?
may they scuff? 	may I be scuffing?
may you be scuffing?
may she be scuffing?
may we be scuffing?
may you be scuffing?
may they be scuffing? 	may I have scuffed?
may you have scuffed?
may she 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 she have been scuffing?
may we have been scuffing?
may you have been scuffing?
may they have been scuffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not scuff?
may you not scuff?
may she not scuff?
may we not scuff?
may you not scuff?
may they not scuff? 	may I not be scuffing?
may you not be scuffing?
may she not be scuffing?
may we not be scuffing?
may you not be scuffing?
may they not be scuffing? 	may I not have scuffed?
may you not have scuffed?
may she not have scuffed?
may we not have scuffed?
may you not have scuffed?
may they not have scuffed? 	may I not have been scuffing?
may you not have been scuffing?
may she not have been scuffing?
may we not have been scuffing?
may you not have been scuffing?
may they not have been scuffing?