can benefice
Regular verb: benefice - beneficed- beneficed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can benefice
you can benefice
he can benefice
we can benefice
you can benefice
they can benefice 	I can be beneficing
you can be beneficing
he can be beneficing
we can be beneficing
you can be beneficing
they can be beneficing	I can have beneficed
you can have beneficed
he can have beneficed
we can have beneficed
you can have beneficed
they can have beneficed	I can have been beneficing
you can have been beneficing
he can have been beneficing
we can have been beneficing
you can have been beneficing
they can have been beneficing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't benefice
you can't benefice
he can't benefice
we can't benefice
you can't benefice
they can't benefice 	I can't be beneficing
you can't be beneficing
he can't be beneficing
we can't be beneficing
you can't be beneficing
they can't be beneficing	I can't have beneficed
you can't have beneficed
he can't have beneficed
we can't have beneficed
you can't have beneficed
they can't have beneficed	I can't have been beneficing
you can't have been beneficing
he can't have been beneficing
we can't have been beneficing
you can't have been beneficing
they can't have been beneficing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I benefice?
can you benefice?
can he benefice?
can we benefice?
can you benefice?
can they benefice? 	can I be beneficing?
can you be beneficing?
can he be beneficing?
can we be beneficing?
can you be beneficing?
can they be beneficing? 	can I have beneficed?
can you have beneficed?
can he have beneficed?
can we have beneficed?
can you have beneficed?
can they have beneficed? 	can I have been beneficing?
can you have been beneficing?
can he have been beneficing?
can we have been beneficing?
can you have been beneficing?
can they have been beneficing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I benefice?
can't you benefice?
can't he benefice?
can't we benefice?
can't you benefice?
can't they benefice? 	can't I be beneficing?
can't you be beneficing?
can't he be beneficing?
can't we be beneficing?
can't you be beneficing?
can't they be beneficing? 	can't I have beneficed?
can't you have beneficed?
can't he have beneficed?
can't we have beneficed?
can't you have beneficed?
can't they have beneficed? 	can't I have been beneficing?
can't you have been beneficing?
can't he have been beneficing?
can't we have been beneficing?
can't you have been beneficing?
can't they have been beneficing?