I can shadowbox you can shadowbox he can shadowbox we can shadowbox you can shadowbox they can shadowbox
Forme en V-ing
I can be shadowboxing you can be shadowboxing he can be shadowboxing we can be shadowboxing you can be shadowboxing they can be shadowboxing
Perfect
I can have shadowboxed you can have shadowboxed he can have shadowboxed we can have shadowboxed you can have shadowboxed they can have shadowboxed
Perfect en V-ing
I can have been shadowboxing you can have been shadowboxing he can have been shadowboxing we can have been shadowboxing you can have been shadowboxing they can have been shadowboxing
Négation
Forme simple
I cannot shadowbox you cannot shadowbox he cannot shadowbox we cannot shadowbox you cannot shadowbox they cannot shadowbox
Forme en V-ing
I cannot be shadowboxing you cannot be shadowboxing he cannot be shadowboxing we cannot be shadowboxing you cannot be shadowboxing they cannot be shadowboxing
Perfect
I cannot have shadowboxed you cannot have shadowboxed he cannot have shadowboxed we cannot have shadowboxed you cannot have shadowboxed they cannot have shadowboxed
Perfect en V-ing
I cannot have been shadowboxing you cannot have been shadowboxing he cannot have been shadowboxing we cannot have been shadowboxing you cannot have been shadowboxing they cannot have been shadowboxing
Forme interrogative
Forme simple
can I shadowbox? can you shadowbox? can he shadowbox? can we shadowbox? can you shadowbox? can they shadowbox?
Forme en V-ing
can I be shadowboxing? can you be shadowboxing? can he be shadowboxing? can we be shadowboxing? can you be shadowboxing? can they be shadowboxing?
Perfect
can I have shadowboxed? can you have shadowboxed? can he have shadowboxed? can we have shadowboxed? can you have shadowboxed? can they have shadowboxed?
Perfect en V-ing
can I have been shadowboxing? can you have been shadowboxing? can he have been shadowboxing? can we have been shadowboxing? can you have been shadowboxing? can they have been shadowboxing?
Forme interro-négative
Forme simple
can I not shadowbox? can you not shadowbox? can he not shadowbox? can we not shadowbox? can you not shadowbox? can they not shadowbox?
Forme en V-ing
can I not be shadowboxing? can you not be shadowboxing? can he not be shadowboxing? can we not be shadowboxing? can you not be shadowboxing? can they not be shadowboxing?
Perfect
can I not have shadowboxed? can you not have shadowboxed? can he not have shadowboxed? can we not have shadowboxed? can you not have shadowboxed? can they not have shadowboxed?
Perfect en V-ing
can I not have been shadowboxing? can you not have been shadowboxing? can he not have been shadowboxing? can we not have been shadowboxing? can you not have been shadowboxing? can they not have been shadowboxing?