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