I can foregather you can foregather he can foregather we can foregather you can foregather they can foregather
V-ing form
I can be foregathering you can be foregathering he can be foregathering we can be foregathering you can be foregathering they can be foregathering
Perfect
I can have foregathered you can have foregathered he 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 he can have been foregathering we can have been foregathering you can have been foregathering they can have been foregathering
Negation
Simple form
I can't foregather you can't foregather he can't foregather we can't foregather you can't foregather they can't foregather
V-ing form
I can't be foregathering you can't be foregathering he can't be foregathering we can't be foregathering you can't be foregathering they can't be foregathering
Perfect
I can't have foregathered you can't have foregathered he can't have foregathered we can't have foregathered you can't have foregathered they can't have foregathered
V-ing perfect
I can't have been foregathering you can't have been foregathering he can't have been foregathering we can't have been foregathering you can't have been foregathering they can't have been foregathering
Interrogative form
Simple form
can I foregather? can you foregather? can he foregather? can we foregather? can you foregather? can they foregather?
V-ing form
can I be foregathering? can you be foregathering? can he be foregathering? can we be foregathering? can you be foregathering? can they be foregathering?
Perfect
can I have foregathered? can you have foregathered? can he 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 he have been foregathering? can we have been foregathering? can you have been foregathering? can they have been foregathering?
Interro-negative form
Simple form
can't I foregather? can't you foregather? can't he foregather? can't we foregather? can't you foregather? can't they foregather?
V-ing form
can't I be foregathering? can't you be foregathering? can't he be foregathering? can't we be foregathering? can't you be foregathering? can't they be foregathering?
Perfect
can't I have foregathered? can't you have foregathered? can't he have foregathered? can't we have foregathered? can't you have foregathered? can't they have foregathered?
V-ing perfect
can't I have been foregathering? can't you have been foregathering? can't he have been foregathering? can't we have been foregathering? can't you have been foregathering? can't they have been foregathering?