can vault
Regular verb: vault - vaulted- vaulted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can vault
you can vault
he can vault
we can vault
you can vault
they can vault 	I can be vaulting
you can be vaulting
he can be vaulting
we can be vaulting
you can be vaulting
they can be vaulting	I can have vaulted
you can have vaulted
he can have vaulted
we can have vaulted
you can have vaulted
they can have vaulted	I can have been vaulting
you can have been vaulting
he can have been vaulting
we can have been vaulting
you can have been vaulting
they can have been vaulting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't vault
you can't vault
he can't vault
we can't vault
you can't vault
they can't vault 	I can't be vaulting
you can't be vaulting
he can't be vaulting
we can't be vaulting
you can't be vaulting
they can't be vaulting	I can't have vaulted
you can't have vaulted
he can't have vaulted
we can't have vaulted
you can't have vaulted
they can't have vaulted	I can't have been vaulting
you can't have been vaulting
he can't have been vaulting
we can't have been vaulting
you can't have been vaulting
they can't have been vaulting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I vault?
can you vault?
can he vault?
can we vault?
can you vault?
can they vault? 	can I be vaulting?
can you be vaulting?
can he be vaulting?
can we be vaulting?
can you be vaulting?
can they be vaulting? 	can I have vaulted?
can you have vaulted?
can he have vaulted?
can we have vaulted?
can you have vaulted?
can they have vaulted? 	can I have been vaulting?
can you have been vaulting?
can he have been vaulting?
can we have been vaulting?
can you have been vaulting?
can they have been vaulting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I vault?
can't you vault?
can't he vault?
can't we vault?
can't you vault?
can't they vault? 	can't I be vaulting?
can't you be vaulting?
can't he be vaulting?
can't we be vaulting?
can't you be vaulting?
can't they be vaulting? 	can't I have vaulted?
can't you have vaulted?
can't he have vaulted?
can't we have vaulted?
can't you have vaulted?
can't they have vaulted? 	can't I have been vaulting?
can't you have been vaulting?
can't he have been vaulting?
can't we have been vaulting?
can't you have been vaulting?
can't they have been vaulting?