may vestibule
Regular verb: vestibule - vestibuled- vestibuled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may vestibule
you may vestibule
he may vestibule
we may vestibule
you may vestibule
they may vestibule 	I may be vestibuling
you may be vestibuling
he may be vestibuling
we may be vestibuling
you may be vestibuling
they may be vestibuling	I may have vestibuled
you may have vestibuled
he may have vestibuled
we may have vestibuled
you may have vestibuled
they may have vestibuled	I may have been vestibuling
you may have been vestibuling
he may have been vestibuling
we may have been vestibuling
you may have been vestibuling
they may have been vestibuling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't vestibule
you mayn't vestibule
he mayn't vestibule
we mayn't vestibule
you mayn't vestibule
they mayn't vestibule 	I mayn't be vestibuling
you mayn't be vestibuling
he mayn't be vestibuling
we mayn't be vestibuling
you mayn't be vestibuling
they mayn't be vestibuling	I mayn't have vestibuled
you mayn't have vestibuled
he mayn't have vestibuled
we mayn't have vestibuled
you mayn't have vestibuled
they mayn't have vestibuled	I mayn't have been vestibuling
you mayn't have been vestibuling
he mayn't have been vestibuling
we mayn't have been vestibuling
you mayn't have been vestibuling
they mayn't have been vestibuling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I vestibule?
may you vestibule?
may he vestibule?
may we vestibule?
may you vestibule?
may they vestibule? 	may I be vestibuling?
may you be vestibuling?
may he be vestibuling?
may we be vestibuling?
may you be vestibuling?
may they be vestibuling? 	may I have vestibuled?
may you have vestibuled?
may he have vestibuled?
may we have vestibuled?
may you have vestibuled?
may they have vestibuled? 	may I have been vestibuling?
may you have been vestibuling?
may he have been vestibuling?
may we have been vestibuling?
may you have been vestibuling?
may they have been vestibuling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I vestibule?
mayn't you vestibule?
mayn't he vestibule?
mayn't we vestibule?
mayn't you vestibule?
mayn't they vestibule? 	mayn't I be vestibuling?
mayn't you be vestibuling?
mayn't he be vestibuling?
mayn't we be vestibuling?
mayn't you be vestibuling?
mayn't they be vestibuling? 	mayn't I have vestibuled?
mayn't you have vestibuled?
mayn't he have vestibuled?
mayn't we have vestibuled?
mayn't you have vestibuled?
mayn't they have vestibuled? 	mayn't I have been vestibuling?
mayn't you have been vestibuling?
mayn't he have been vestibuling?
mayn't we have been vestibuling?
mayn't you have been vestibuling?
mayn't they have been vestibuling?