English verb conjugation
COULD NAME

Regular verb: name - named - named

Affirmation

Simple form	V-ing form
I could name you could name he could name we could name you could name they could name	I could be naming you could be naming he could be naming we could be naming you could be naming they could be naming
Perfect	V-ing perfect
I could have named you could have named he could have named we could have named you could have named they could have named	I could have been naming you could have been naming he could have been naming we could have been naming you could have been naming they could have been naming

Negation

Simple form	V-ing form
I couldn't name you couldn't name he couldn't name we couldn't name you couldn't name they couldn't name	I couldn't be naming you couldn't be naming he couldn't be naming we couldn't be naming you couldn't be naming they couldn't be naming
Perfect	V-ing perfect
I couldn't have named you couldn't have named he couldn't have named we couldn't have named you couldn't have named they couldn't have named	I couldn't have been naming you couldn't have been naming he couldn't have been naming we couldn't have been naming you couldn't have been naming they couldn't have been naming

Interrogative form

Simple form	V-ing form
could I name? could you name? could he name? could we name? could you name? could they name?	could I be naming? could you be naming? could he be naming? could we be naming? could you be naming? could they be naming?
Perfect	V-ing perfect
could I have named? could you have named? could he have named? could we have named? could you have named? could they have named?	could I have been naming? could you have been naming? could he have been naming? could we have been naming? could you have been naming? could they have been naming?

Interro-negative form

Simple form	V-ing form
couldn't I name? couldn't you name? couldn't he name? couldn't we name? couldn't you name? couldn't they name?	couldn't I be naming? couldn't you be naming? couldn't he be naming? couldn't we be naming? couldn't you be naming? couldn't they be naming?
Perfect	V-ing perfect
couldn't I have named? couldn't you have named? couldn't he have named? couldn't we have named? couldn't you have named? couldn't they have named?	couldn't I have been naming? couldn't you have been naming? couldn't he have been naming? couldn't we have been naming? couldn't you have been naming? couldn't they have been naming?