may ruff
Regular verb: ruff - ruffed- ruffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may ruff
you may ruff
she may ruff
we may ruff
you may ruff
they may ruff 	I may be ruffing
you may be ruffing
she may be ruffing
we may be ruffing
you may be ruffing
they may be ruffing	I may have ruffed
you may have ruffed
she may have ruffed
we may have ruffed
you may have ruffed
they may have ruffed	I may have been ruffing
you may have been ruffing
she may have been ruffing
we may have been ruffing
you may have been ruffing
they may have been ruffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not ruff
you may not ruff
she may not ruff
we may not ruff
you may not ruff
they may not ruff 	I may not be ruffing
you may not be ruffing
she may not be ruffing
we may not be ruffing
you may not be ruffing
they may not be ruffing	I may not have ruffed
you may not have ruffed
she may not have ruffed
we may not have ruffed
you may not have ruffed
they may not have ruffed	I may not have been ruffing
you may not have been ruffing
she may not have been ruffing
we may not have been ruffing
you may not have been ruffing
they may not have been ruffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I ruff?
may you ruff?
may she ruff?
may we ruff?
may you ruff?
may they ruff? 	may I be ruffing?
may you be ruffing?
may she be ruffing?
may we be ruffing?
may you be ruffing?
may they be ruffing? 	may I have ruffed?
may you have ruffed?
may she have ruffed?
may we have ruffed?
may you have ruffed?
may they have ruffed? 	may I have been ruffing?
may you have been ruffing?
may she have been ruffing?
may we have been ruffing?
may you have been ruffing?
may they have been ruffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not ruff?
may you not ruff?
may she not ruff?
may we not ruff?
may you not ruff?
may they not ruff? 	may I not be ruffing?
may you not be ruffing?
may she not be ruffing?
may we not be ruffing?
may you not be ruffing?
may they not be ruffing? 	may I not have ruffed?
may you not have ruffed?
may she not have ruffed?
may we not have ruffed?
may you not have ruffed?
may they not have ruffed? 	may I not have been ruffing?
may you not have been ruffing?
may she not have been ruffing?
may we not have been ruffing?
may you not have been ruffing?
may they not have been ruffing?