could cornice
Regular verb: cornice - corniced- corniced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cornice
you could cornice
she could cornice
we could cornice
you could cornice
they could cornice 	I could be cornicing
you could be cornicing
she could be cornicing
we could be cornicing
you could be cornicing
they could be cornicing	I could have corniced
you could have corniced
she could have corniced
we could have corniced
you could have corniced
they could have corniced	I could have been cornicing
you could have been cornicing
she could have been cornicing
we could have been cornicing
you could have been cornicing
they could have been cornicing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't cornice
you couldn't cornice
she couldn't cornice
we couldn't cornice
you couldn't cornice
they couldn't cornice 	I couldn't be cornicing
you couldn't be cornicing
she couldn't be cornicing
we couldn't be cornicing
you couldn't be cornicing
they couldn't be cornicing	I couldn't have corniced
you couldn't have corniced
she couldn't have corniced
we couldn't have corniced
you couldn't have corniced
they couldn't have corniced	I couldn't have been cornicing
you couldn't have been cornicing
she couldn't have been cornicing
we couldn't have been cornicing
you couldn't have been cornicing
they couldn't have been cornicing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cornice?
could you cornice?
could she cornice?
could we cornice?
could you cornice?
could they cornice? 	could I be cornicing?
could you be cornicing?
could she be cornicing?
could we be cornicing?
could you be cornicing?
could they be cornicing? 	could I have corniced?
could you have corniced?
could she have corniced?
could we have corniced?
could you have corniced?
could they have corniced? 	could I have been cornicing?
could you have been cornicing?
could she have been cornicing?
could we have been cornicing?
could you have been cornicing?
could they have been cornicing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I cornice?
couldn't you cornice?
couldn't she cornice?
couldn't we cornice?
couldn't you cornice?
couldn't they cornice? 	couldn't I be cornicing?
couldn't you be cornicing?
couldn't she be cornicing?
couldn't we be cornicing?
couldn't you be cornicing?
couldn't they be cornicing? 	couldn't I have corniced?
couldn't you have corniced?
couldn't she have corniced?
couldn't we have corniced?
couldn't you have corniced?
couldn't they have corniced? 	couldn't I have been cornicing?
couldn't you have been cornicing?
couldn't she have been cornicing?
couldn't we have been cornicing?
couldn't you have been cornicing?
couldn't they have been cornicing?