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 can't shadowbox you can't shadowbox he can't shadowbox we can't shadowbox you can't shadowbox they can't shadowbox
Forme en V-ing
I can't be shadowboxing you can't be shadowboxing he can't be shadowboxing we can't be shadowboxing you can't be shadowboxing they can't be shadowboxing
Perfect
I can't have shadowboxed you can't have shadowboxed he can't have shadowboxed we can't have shadowboxed you can't have shadowboxed they can't have shadowboxed
Perfect en V-ing
I can't have been shadowboxing you can't have been shadowboxing he can't have been shadowboxing we can't have been shadowboxing you can't have been shadowboxing they can't 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't I shadowbox? can't you shadowbox? can't he shadowbox? can't we shadowbox? can't you shadowbox? can't they shadowbox?
Forme en V-ing
can't I be shadowboxing? can't you be shadowboxing? can't he be shadowboxing? can't we be shadowboxing? can't you be shadowboxing? can't they be shadowboxing?
Perfect
can't I have shadowboxed? can't you have shadowboxed? can't he have shadowboxed? can't we have shadowboxed? can't you have shadowboxed? can't they have shadowboxed?
Perfect en V-ing
can't I have been shadowboxing? can't you have been shadowboxing? can't he have been shadowboxing? can't we have been shadowboxing? can't you have been shadowboxing? can't they have been shadowboxing?