I could overornament you could overornament she could overornament we could overornament you could overornament they could overornament
V-ing form
I could be overornamenting you could be overornamenting she could be overornamenting we could be overornamenting you could be overornamenting they could be overornamenting
Perfect
I could have overornamented you could have overornamented she could have overornamented we could have overornamented you could have overornamented they could have overornamented
V-ing perfect
I could have been overornamenting you could have been overornamenting she could have been overornamenting we could have been overornamenting you could have been overornamenting they could have been overornamenting
Negation
Simple form
I could not overornament you could not overornament she could not overornament we could not overornament you could not overornament they could not overornament
V-ing form
I could not be overornamenting you could not be overornamenting she could not be overornamenting we could not be overornamenting you could not be overornamenting they could not be overornamenting
Perfect
I could not have overornamented you could not have overornamented she could not have overornamented we could not have overornamented you could not have overornamented they could not have overornamented
V-ing perfect
I could not have been overornamenting you could not have been overornamenting she could not have been overornamenting we could not have been overornamenting you could not have been overornamenting they could not have been overornamenting
Interrogative form
Simple form
could I overornament? could you overornament? could she overornament? could we overornament? could you overornament? could they overornament?
V-ing form
could I be overornamenting? could you be overornamenting? could she be overornamenting? could we be overornamenting? could you be overornamenting? could they be overornamenting?
Perfect
could I have overornamented? could you have overornamented? could she have overornamented? could we have overornamented? could you have overornamented? could they have overornamented?
V-ing perfect
could I have been overornamenting? could you have been overornamenting? could she have been overornamenting? could we have been overornamenting? could you have been overornamenting? could they have been overornamenting?
Interro-negative form
Simple form
could I not overornament? could you not overornament? could she not overornament? could we not overornament? could you not overornament? could they not overornament?
V-ing form
could I not be overornamenting? could you not be overornamenting? could she not be overornamenting? could we not be overornamenting? could you not be overornamenting? could they not be overornamenting?
Perfect
could I not have overornamented? could you not have overornamented? could she not have overornamented? could we not have overornamented? could you not have overornamented? could they not have overornamented?
V-ing perfect
could I not have been overornamenting? could you not have been overornamenting? could she not have been overornamenting? could we not have been overornamenting? could you not have been overornamenting? could they not have been overornamenting?