Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could employ sth you could employ sth he could employ sth we could employ sth you could employ sth they could employ sth
V-ing form
I could be employ sthing you could be employ sthing he could be employ sthing we could be employ sthing you could be employ sthing they could be employ sthing
Perfect
I could have employ sthed you could have employ sthed he could have employ sthed we could have employ sthed you could have employ sthed they could have employ sthed
V-ing perfect
I could have been employ sthing you could have been employ sthing he could have been employ sthing we could have been employ sthing you could have been employ sthing they could have been employ sthing
Negation
Simple form
I couldn't employ sth you couldn't employ sth he couldn't employ sth we couldn't employ sth you couldn't employ sth they couldn't employ sth
V-ing form
I couldn't be employ sthing you couldn't be employ sthing he couldn't be employ sthing we couldn't be employ sthing you couldn't be employ sthing they couldn't be employ sthing
Perfect
I couldn't have employ sthed you couldn't have employ sthed he couldn't have employ sthed we couldn't have employ sthed you couldn't have employ sthed they couldn't have employ sthed
V-ing perfect
I couldn't have been employ sthing you couldn't have been employ sthing he couldn't have been employ sthing we couldn't have been employ sthing you couldn't have been employ sthing they couldn't have been employ sthing
Interrogative form
Simple form
could I employ sth? could you employ sth? could he employ sth? could we employ sth? could you employ sth? could they employ sth?
V-ing form
could I be employ sthing? could you be employ sthing? could he be employ sthing? could we be employ sthing? could you be employ sthing? could they be employ sthing?
Perfect
could I have employ sthed? could you have employ sthed? could he have employ sthed? could we have employ sthed? could you have employ sthed? could they have employ sthed?
V-ing perfect
could I have been employ sthing? could you have been employ sthing? could he have been employ sthing? could we have been employ sthing? could you have been employ sthing? could they have been employ sthing?
Interro-negative form
Simple form
couldn't I employ sth? couldn't you employ sth? couldn't he employ sth? couldn't we employ sth? couldn't you employ sth? couldn't they employ sth?
V-ing form
couldn't I be employ sthing? couldn't you be employ sthing? couldn't he be employ sthing? couldn't we be employ sthing? couldn't you be employ sthing? couldn't they be employ sthing?
Perfect
couldn't I have employ sthed? couldn't you have employ sthed? couldn't he have employ sthed? couldn't we have employ sthed? couldn't you have employ sthed? couldn't they have employ sthed?
V-ing perfect
couldn't I have been employ sthing? couldn't you have been employ sthing? couldn't he have been employ sthing? couldn't we have been employ sthing? couldn't you have been employ sthing? couldn't they have been employ sthing?