I can barber you can barber he can barber we can barber you can barber they can barber
Forme en V-ing
I can be barbering you can be barbering he can be barbering we can be barbering you can be barbering they can be barbering
Perfect
I can have barbered you can have barbered he can have barbered we can have barbered you can have barbered they can have barbered
Perfect en V-ing
I can have been barbering you can have been barbering he can have been barbering we can have been barbering you can have been barbering they can have been barbering
Négation
Forme simple
I can't barber you can't barber he can't barber we can't barber you can't barber they can't barber
Forme en V-ing
I can't be barbering you can't be barbering he can't be barbering we can't be barbering you can't be barbering they can't be barbering
Perfect
I can't have barbered you can't have barbered he can't have barbered we can't have barbered you can't have barbered they can't have barbered
Perfect en V-ing
I can't have been barbering you can't have been barbering he can't have been barbering we can't have been barbering you can't have been barbering they can't have been barbering
Forme interrogative
Forme simple
can I barber? can you barber? can he barber? can we barber? can you barber? can they barber?
Forme en V-ing
can I be barbering? can you be barbering? can he be barbering? can we be barbering? can you be barbering? can they be barbering?
Perfect
can I have barbered? can you have barbered? can he have barbered? can we have barbered? can you have barbered? can they have barbered?
Perfect en V-ing
can I have been barbering? can you have been barbering? can he have been barbering? can we have been barbering? can you have been barbering? can they have been barbering?
Forme interro-négative
Forme simple
can't I barber? can't you barber? can't he barber? can't we barber? can't you barber? can't they barber?
Forme en V-ing
can't I be barbering? can't you be barbering? can't he be barbering? can't we be barbering? can't you be barbering? can't they be barbering?
Perfect
can't I have barbered? can't you have barbered? can't he have barbered? can't we have barbered? can't you have barbered? can't they have barbered?
Perfect en V-ing
can't I have been barbering? can't you have been barbering? can't he have been barbering? can't we have been barbering? can't you have been barbering? can't they have been barbering?