I can scarper you can scarper he can scarper we can scarper you can scarper they can scarper
V-ing form
I can be scarpering you can be scarpering he can be scarpering we can be scarpering you can be scarpering they can be scarpering
Perfect
I can have scarpered you can have scarpered he can have scarpered we can have scarpered you can have scarpered they can have scarpered
V-ing perfect
I can have been scarpering you can have been scarpering he can have been scarpering we can have been scarpering you can have been scarpering they can have been scarpering
Negation
Simple form
I cannot scarper you cannot scarper he cannot scarper we cannot scarper you cannot scarper they cannot scarper
V-ing form
I cannot be scarpering you cannot be scarpering he cannot be scarpering we cannot be scarpering you cannot be scarpering they cannot be scarpering
Perfect
I cannot have scarpered you cannot have scarpered he cannot have scarpered we cannot have scarpered you cannot have scarpered they cannot have scarpered
V-ing perfect
I cannot have been scarpering you cannot have been scarpering he cannot have been scarpering we cannot have been scarpering you cannot have been scarpering they cannot have been scarpering
Interrogative form
Simple form
can I scarper? can you scarper? can he scarper? can we scarper? can you scarper? can they scarper?
V-ing form
can I be scarpering? can you be scarpering? can he be scarpering? can we be scarpering? can you be scarpering? can they be scarpering?
Perfect
can I have scarpered? can you have scarpered? can he have scarpered? can we have scarpered? can you have scarpered? can they have scarpered?
V-ing perfect
can I have been scarpering? can you have been scarpering? can he have been scarpering? can we have been scarpering? can you have been scarpering? can they have been scarpering?
Interro-negative form
Simple form
can I not scarper? can you not scarper? can he not scarper? can we not scarper? can you not scarper? can they not scarper?
V-ing form
can I not be scarpering? can you not be scarpering? can he not be scarpering? can we not be scarpering? can you not be scarpering? can they not be scarpering?
Perfect
can I not have scarpered? can you not have scarpered? can he not have scarpered? can we not have scarpered? can you not have scarpered? can they not have scarpered?
V-ing perfect
can I not have been scarpering? can you not have been scarpering? can he not have been scarpering? can we not have been scarpering? can you not have been scarpering? can they not have been scarpering?