I could ginger you could ginger he could ginger we could ginger you could ginger they could ginger
V-ing form
I could be gingering you could be gingering he could be gingering we could be gingering you could be gingering they could be gingering
Perfect
I could have gingered you could have gingered he could have gingered we could have gingered you could have gingered they could have gingered
V-ing perfect
I could have been gingering you could have been gingering he could have been gingering we could have been gingering you could have been gingering they could have been gingering
Negation
Simple form
I couldn't ginger you couldn't ginger he couldn't ginger we couldn't ginger you couldn't ginger they couldn't ginger
V-ing form
I couldn't be gingering you couldn't be gingering he couldn't be gingering we couldn't be gingering you couldn't be gingering they couldn't be gingering
Perfect
I couldn't have gingered you couldn't have gingered he couldn't have gingered we couldn't have gingered you couldn't have gingered they couldn't have gingered
V-ing perfect
I couldn't have been gingering you couldn't have been gingering he couldn't have been gingering we couldn't have been gingering you couldn't have been gingering they couldn't have been gingering
Interrogative form
Simple form
could I ginger? could you ginger? could he ginger? could we ginger? could you ginger? could they ginger?
V-ing form
could I be gingering? could you be gingering? could he be gingering? could we be gingering? could you be gingering? could they be gingering?
Perfect
could I have gingered? could you have gingered? could he have gingered? could we have gingered? could you have gingered? could they have gingered?
V-ing perfect
could I have been gingering? could you have been gingering? could he have been gingering? could we have been gingering? could you have been gingering? could they have been gingering?
Interro-negative form
Simple form
couldn't I ginger? couldn't you ginger? couldn't he ginger? couldn't we ginger? couldn't you ginger? couldn't they ginger?
V-ing form
couldn't I be gingering? couldn't you be gingering? couldn't he be gingering? couldn't we be gingering? couldn't you be gingering? couldn't they be gingering?
Perfect
couldn't I have gingered? couldn't you have gingered? couldn't he have gingered? couldn't we have gingered? couldn't you have gingered? couldn't they have gingered?
V-ing perfect
couldn't I have been gingering? couldn't you have been gingering? couldn't he have been gingering? couldn't we have been gingering? couldn't you have been gingering? couldn't they have been gingering?