I can barb you can barb he can barb we can barb you can barb they can barb
Forme en V-ing
I can be barbing you can be barbing he can be barbing we can be barbing you can be barbing they can be barbing
Perfect
I can have barbed you can have barbed he can have barbed we can have barbed you can have barbed they can have barbed
Perfect en V-ing
I can have been barbing you can have been barbing he can have been barbing we can have been barbing you can have been barbing they can have been barbing
Négation
Forme simple
I can't barb you can't barb he can't barb we can't barb you can't barb they can't barb
Forme en V-ing
I can't be barbing you can't be barbing he can't be barbing we can't be barbing you can't be barbing they can't be barbing
Perfect
I can't have barbed you can't have barbed he can't have barbed we can't have barbed you can't have barbed they can't have barbed
Perfect en V-ing
I can't have been barbing you can't have been barbing he can't have been barbing we can't have been barbing you can't have been barbing they can't have been barbing
Forme interrogative
Forme simple
can I barb? can you barb? can he barb? can we barb? can you barb? can they barb?
Forme en V-ing
can I be barbing? can you be barbing? can he be barbing? can we be barbing? can you be barbing? can they be barbing?
Perfect
can I have barbed? can you have barbed? can he have barbed? can we have barbed? can you have barbed? can they have barbed?
Perfect en V-ing
can I have been barbing? can you have been barbing? can he have been barbing? can we have been barbing? can you have been barbing? can they have been barbing?
Forme interro-négative
Forme simple
can't I barb? can't you barb? can't he barb? can't we barb? can't you barb? can't they barb?
Forme en V-ing
can't I be barbing? can't you be barbing? can't he be barbing? can't we be barbing? can't you be barbing? can't they be barbing?
Perfect
can't I have barbed? can't you have barbed? can't he have barbed? can't we have barbed? can't you have barbed? can't they have barbed?
Perfect en V-ing
can't I have been barbing? can't you have been barbing? can't he have been barbing? can't we have been barbing? can't you have been barbing? can't they have been barbing?