may befoul
Regular verb: befoul - befouled- befouled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may befoul
you may befoul
he may befoul
we may befoul
you may befoul
they may befoul 	I may be befouling
you may be befouling
he may be befouling
we may be befouling
you may be befouling
they may be befouling	I may have befouled
you may have befouled
he may have befouled
we may have befouled
you may have befouled
they may have befouled	I may have been befouling
you may have been befouling
he may have been befouling
we may have been befouling
you may have been befouling
they may have been befouling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't befoul
you mayn't befoul
he mayn't befoul
we mayn't befoul
you mayn't befoul
they mayn't befoul 	I mayn't be befouling
you mayn't be befouling
he mayn't be befouling
we mayn't be befouling
you mayn't be befouling
they mayn't be befouling	I mayn't have befouled
you mayn't have befouled
he mayn't have befouled
we mayn't have befouled
you mayn't have befouled
they mayn't have befouled	I mayn't have been befouling
you mayn't have been befouling
he mayn't have been befouling
we mayn't have been befouling
you mayn't have been befouling
they mayn't have been befouling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I befoul?
may you befoul?
may he befoul?
may we befoul?
may you befoul?
may they befoul? 	may I be befouling?
may you be befouling?
may he be befouling?
may we be befouling?
may you be befouling?
may they be befouling? 	may I have befouled?
may you have befouled?
may he have befouled?
may we have befouled?
may you have befouled?
may they have befouled? 	may I have been befouling?
may you have been befouling?
may he have been befouling?
may we have been befouling?
may you have been befouling?
may they have been befouling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I befoul?
mayn't you befoul?
mayn't he befoul?
mayn't we befoul?
mayn't you befoul?
mayn't they befoul? 	mayn't I be befouling?
mayn't you be befouling?
mayn't he be befouling?
mayn't we be befouling?
mayn't you be befouling?
mayn't they be befouling? 	mayn't I have befouled?
mayn't you have befouled?
mayn't he have befouled?
mayn't we have befouled?
mayn't you have befouled?
mayn't they have befouled? 	mayn't I have been befouling?
mayn't you have been befouling?
mayn't he have been befouling?
mayn't we have been befouling?
mayn't you have been befouling?
mayn't they have been befouling?