may piffle
Regular verb: piffle - piffled- piffled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may piffle
you may piffle
she may piffle
we may piffle
you may piffle
they may piffle 	I may be piffling
you may be piffling
she may be piffling
we may be piffling
you may be piffling
they may be piffling	I may have piffled
you may have piffled
she may have piffled
we may have piffled
you may have piffled
they may have piffled	I may have been piffling
you may have been piffling
she may have been piffling
we may have been piffling
you may have been piffling
they may have been piffling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't piffle
you mayn't piffle
she mayn't piffle
we mayn't piffle
you mayn't piffle
they mayn't piffle 	I mayn't be piffling
you mayn't be piffling
she mayn't be piffling
we mayn't be piffling
you mayn't be piffling
they mayn't be piffling	I mayn't have piffled
you mayn't have piffled
she mayn't have piffled
we mayn't have piffled
you mayn't have piffled
they mayn't have piffled	I mayn't have been piffling
you mayn't have been piffling
she mayn't have been piffling
we mayn't have been piffling
you mayn't have been piffling
they mayn't have been piffling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I piffle?
may you piffle?
may she piffle?
may we piffle?
may you piffle?
may they piffle? 	may I be piffling?
may you be piffling?
may she be piffling?
may we be piffling?
may you be piffling?
may they be piffling? 	may I have piffled?
may you have piffled?
may she have piffled?
may we have piffled?
may you have piffled?
may they have piffled? 	may I have been piffling?
may you have been piffling?
may she have been piffling?
may we have been piffling?
may you have been piffling?
may they have been piffling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I piffle?
mayn't you piffle?
mayn't she piffle?
mayn't we piffle?
mayn't you piffle?
mayn't they piffle? 	mayn't I be piffling?
mayn't you be piffling?
mayn't she be piffling?
mayn't we be piffling?
mayn't you be piffling?
mayn't they be piffling? 	mayn't I have piffled?
mayn't you have piffled?
mayn't she have piffled?
mayn't we have piffled?
mayn't you have piffled?
mayn't they have piffled? 	mayn't I have been piffling?
mayn't you have been piffling?
mayn't she have been piffling?
mayn't we have been piffling?
mayn't you have been piffling?
mayn't they have been piffling?