I can scamper you can scamper he can scamper we can scamper you can scamper they can scamper
V-ing form
I can be scampering you can be scampering he can be scampering we can be scampering you can be scampering they can be scampering
Perfect
I can have scampered you can have scampered he can have scampered we can have scampered you can have scampered they can have scampered
V-ing perfect
I can have been scampering you can have been scampering he can have been scampering we can have been scampering you can have been scampering they can have been scampering
Negation
Simple form
I cannot scamper you cannot scamper he cannot scamper we cannot scamper you cannot scamper they cannot scamper
V-ing form
I cannot be scampering you cannot be scampering he cannot be scampering we cannot be scampering you cannot be scampering they cannot be scampering
Perfect
I cannot have scampered you cannot have scampered he cannot have scampered we cannot have scampered you cannot have scampered they cannot have scampered
V-ing perfect
I cannot have been scampering you cannot have been scampering he cannot have been scampering we cannot have been scampering you cannot have been scampering they cannot have been scampering
Interrogative form
Simple form
can I scamper? can you scamper? can he scamper? can we scamper? can you scamper? can they scamper?
V-ing form
can I be scampering? can you be scampering? can he be scampering? can we be scampering? can you be scampering? can they be scampering?
Perfect
can I have scampered? can you have scampered? can he have scampered? can we have scampered? can you have scampered? can they have scampered?
V-ing perfect
can I have been scampering? can you have been scampering? can he have been scampering? can we have been scampering? can you have been scampering? can they have been scampering?
Interro-negative form
Simple form
can I not scamper? can you not scamper? can he not scamper? can we not scamper? can you not scamper? can they not scamper?
V-ing form
can I not be scampering? can you not be scampering? can he not be scampering? can we not be scampering? can you not be scampering? can they not be scampering?
Perfect
can I not have scampered? can you not have scampered? can he not have scampered? can we not have scampered? can you not have scampered? can they not have scampered?
V-ing perfect
can I not have been scampering? can you not have been scampering? can he not have been scampering? can we not have been scampering? can you not have been scampering? can they not have been scampering?