I could name you could name she could name we could name you could name they could name
V-ing form
I could be naming you could be naming she could be naming we could be naming you could be naming they could be naming
Perfect
I could have named you could have named she could have named we could have named you could have named they could have named
V-ing perfect
I could have been naming you could have been naming she could have been naming we could have been naming you could have been naming they could have been naming
Negation
Simple form
I could not name you could not name she could not name we could not name you could not name they could not name
V-ing form
I could not be naming you could not be naming she could not be naming we could not be naming you could not be naming they could not be naming
Perfect
I could not have named you could not have named she could not have named we could not have named you could not have named they could not have named
V-ing perfect
I could not have been naming you could not have been naming she could not have been naming we could not have been naming you could not have been naming they could not have been naming
Interrogative form
Simple form
could I name? could you name? could she name? could we name? could you name? could they name?
V-ing form
could I be naming? could you be naming? could she be naming? could we be naming? could you be naming? could they be naming?
Perfect
could I have named? could you have named? could she have named? could we have named? could you have named? could they have named?
V-ing perfect
could I have been naming? could you have been naming? could she have been naming? could we have been naming? could you have been naming? could they have been naming?
Interro-negative form
Simple form
could I not name? could you not name? could she not name? could we not name? could you not name? could they not name?
V-ing form
could I not be naming? could you not be naming? could she not be naming? could we not be naming? could you not be naming? could they not be naming?
Perfect
could I not have named? could you not have named? could she not have named? could we not have named? could you not have named? could they not have named?
V-ing perfect
could I not have been naming? could you not have been naming? could she not have been naming? could we not have been naming? could you not have been naming? could they not have been naming?