can vestibule
Regular verb: vestibule - vestibuled- vestibuled

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

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

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

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