may whiff
Regular verb: whiff - whiffed- whiffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may whiff
you may whiff
he may whiff
we may whiff
you may whiff
they may whiff 	I may be whiffing
you may be whiffing
he may be whiffing
we may be whiffing
you may be whiffing
they may be whiffing	I may have whiffed
you may have whiffed
he may have whiffed
we may have whiffed
you may have whiffed
they may have whiffed	I may have been whiffing
you may have been whiffing
he may have been whiffing
we may have been whiffing
you may have been whiffing
they may have been whiffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not whiff
you may not whiff
he may not whiff
we may not whiff
you may not whiff
they may not whiff 	I may not be whiffing
you may not be whiffing
he may not be whiffing
we may not be whiffing
you may not be whiffing
they may not be whiffing	I may not have whiffed
you may not have whiffed
he may not have whiffed
we may not have whiffed
you may not have whiffed
they may not have whiffed	I may not have been whiffing
you may not have been whiffing
he may not have been whiffing
we may not have been whiffing
you may not have been whiffing
they may not have been whiffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I whiff?
may you whiff?
may he whiff?
may we whiff?
may you whiff?
may they whiff? 	may I be whiffing?
may you be whiffing?
may he be whiffing?
may we be whiffing?
may you be whiffing?
may they be whiffing? 	may I have whiffed?
may you have whiffed?
may he have whiffed?
may we have whiffed?
may you have whiffed?
may they have whiffed? 	may I have been whiffing?
may you have been whiffing?
may he have been whiffing?
may we have been whiffing?
may you have been whiffing?
may they have been whiffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not whiff?
may you not whiff?
may he not whiff?
may we not whiff?
may you not whiff?
may they not whiff? 	may I not be whiffing?
may you not be whiffing?
may he not be whiffing?
may we not be whiffing?
may you not be whiffing?
may they not be whiffing? 	may I not have whiffed?
may you not have whiffed?
may he not have whiffed?
may we not have whiffed?
may you not have whiffed?
may they not have whiffed? 	may I not have been whiffing?
may you not have been whiffing?
may he not have been whiffing?
may we not have been whiffing?
may you not have been whiffing?
may they not have been whiffing?