I could foregather you could foregather she could foregather we could foregather you could foregather they could foregather
V-ing form
I could be foregathering you could be foregathering she could be foregathering we could be foregathering you could be foregathering they could be foregathering
Perfect
I could have foregathered you could have foregathered she could have foregathered we could have foregathered you could have foregathered they could have foregathered
V-ing perfect
I could have been foregathering you could have been foregathering she could have been foregathering we could have been foregathering you could have been foregathering they could have been foregathering
Negation
Simple form
I could not foregather you could not foregather she could not foregather we could not foregather you could not foregather they could not foregather
V-ing form
I could not be foregathering you could not be foregathering she could not be foregathering we could not be foregathering you could not be foregathering they could not be foregathering
Perfect
I could not have foregathered you could not have foregathered she could not have foregathered we could not have foregathered you could not have foregathered they could not have foregathered
V-ing perfect
I could not have been foregathering you could not have been foregathering she could not have been foregathering we could not have been foregathering you could not have been foregathering they could not have been foregathering
Interrogative form
Simple form
could I foregather? could you foregather? could she foregather? could we foregather? could you foregather? could they foregather?
V-ing form
could I be foregathering? could you be foregathering? could she be foregathering? could we be foregathering? could you be foregathering? could they be foregathering?
Perfect
could I have foregathered? could you have foregathered? could she have foregathered? could we have foregathered? could you have foregathered? could they have foregathered?
V-ing perfect
could I have been foregathering? could you have been foregathering? could she have been foregathering? could we have been foregathering? could you have been foregathering? could they have been foregathering?
Interro-negative form
Simple form
could I not foregather? could you not foregather? could she not foregather? could we not foregather? could you not foregather? could they not foregather?
V-ing form
could I not be foregathering? could you not be foregathering? could she not be foregathering? could we not be foregathering? could you not be foregathering? could they not be foregathering?
Perfect
could I not have foregathered? could you not have foregathered? could she not have foregathered? could we not have foregathered? could you not have foregathered? could they not have foregathered?
V-ing perfect
could I not have been foregathering? could you not have been foregathering? could she not have been foregathering? could we not have been foregathering? could you not have been foregathering? could they not have been foregathering?