could benefice
Verbe régulier : benefice - beneficed- beneficed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could benefice
you could benefice
she could benefice
we could benefice
you could benefice
they could benefice 	I could be beneficing
you could be beneficing
she could be beneficing
we could be beneficing
you could be beneficing
they could be beneficing	I could have beneficed
you could have beneficed
she could have beneficed
we could have beneficed
you could have beneficed
they could have beneficed	I could have been beneficing
you could have been beneficing
she could have been beneficing
we could have been beneficing
you could have been beneficing
they could have been beneficing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't benefice
you couldn't benefice
she couldn't benefice
we couldn't benefice
you couldn't benefice
they couldn't benefice 	I couldn't be beneficing
you couldn't be beneficing
she couldn't be beneficing
we couldn't be beneficing
you couldn't be beneficing
they couldn't be beneficing	I couldn't have beneficed
you couldn't have beneficed
she couldn't have beneficed
we couldn't have beneficed
you couldn't have beneficed
they couldn't have beneficed	I couldn't have been beneficing
you couldn't have been beneficing
she couldn't have been beneficing
we couldn't have been beneficing
you couldn't have been beneficing
they couldn't have been beneficing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I benefice?
could you benefice?
could she benefice?
could we benefice?
could you benefice?
could they benefice? 	could I be beneficing?
could you be beneficing?
could she be beneficing?
could we be beneficing?
could you be beneficing?
could they be beneficing? 	could I have beneficed?
could you have beneficed?
could she have beneficed?
could we have beneficed?
could you have beneficed?
could they have beneficed? 	could I have been beneficing?
could you have been beneficing?
could she have been beneficing?
could we have been beneficing?
could you have been beneficing?
could they have been beneficing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I benefice?
couldn't you benefice?
couldn't she benefice?
couldn't we benefice?
couldn't you benefice?
couldn't they benefice? 	couldn't I be beneficing?
couldn't you be beneficing?
couldn't she be beneficing?
couldn't we be beneficing?
couldn't you be beneficing?
couldn't they be beneficing? 	couldn't I have beneficed?
couldn't you have beneficed?
couldn't she have beneficed?
couldn't we have beneficed?
couldn't you have beneficed?
couldn't they have beneficed? 	couldn't I have been beneficing?
couldn't you have been beneficing?
couldn't she have been beneficing?
couldn't we have been beneficing?
couldn't you have been beneficing?
couldn't they have been beneficing?