may pioneer
Regular verb: pioneer - pioneered- pioneered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may pioneer
you may pioneer
he may pioneer
we may pioneer
you may pioneer
they may pioneer 	I may be pioneering
you may be pioneering
he may be pioneering
we may be pioneering
you may be pioneering
they may be pioneering	I may have pioneered
you may have pioneered
he may have pioneered
we may have pioneered
you may have pioneered
they may have pioneered	I may have been pioneering
you may have been pioneering
he may have been pioneering
we may have been pioneering
you may have been pioneering
they may have been pioneering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't pioneer
you mayn't pioneer
he mayn't pioneer
we mayn't pioneer
you mayn't pioneer
they mayn't pioneer 	I mayn't be pioneering
you mayn't be pioneering
he mayn't be pioneering
we mayn't be pioneering
you mayn't be pioneering
they mayn't be pioneering	I mayn't have pioneered
you mayn't have pioneered
he mayn't have pioneered
we mayn't have pioneered
you mayn't have pioneered
they mayn't have pioneered	I mayn't have been pioneering
you mayn't have been pioneering
he mayn't have been pioneering
we mayn't have been pioneering
you mayn't have been pioneering
they mayn't have been pioneering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I pioneer?
may you pioneer?
may he pioneer?
may we pioneer?
may you pioneer?
may they pioneer? 	may I be pioneering?
may you be pioneering?
may he be pioneering?
may we be pioneering?
may you be pioneering?
may they be pioneering? 	may I have pioneered?
may you have pioneered?
may he have pioneered?
may we have pioneered?
may you have pioneered?
may they have pioneered? 	may I have been pioneering?
may you have been pioneering?
may he have been pioneering?
may we have been pioneering?
may you have been pioneering?
may they have been pioneering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I pioneer?
mayn't you pioneer?
mayn't he pioneer?
mayn't we pioneer?
mayn't you pioneer?
mayn't they pioneer? 	mayn't I be pioneering?
mayn't you be pioneering?
mayn't he be pioneering?
mayn't we be pioneering?
mayn't you be pioneering?
mayn't they be pioneering? 	mayn't I have pioneered?
mayn't you have pioneered?
mayn't he have pioneered?
mayn't we have pioneered?
mayn't you have pioneered?
mayn't they have pioneered? 	mayn't I have been pioneering?
mayn't you have been pioneering?
mayn't he have been pioneering?
mayn't we have been pioneering?
mayn't you have been pioneering?
mayn't they have been pioneering?