I can bs you can bs he can bs we can bs you can bs they can bs
Forme en V-ing
I can be bsing you can be bsing he can be bsing we can be bsing you can be bsing they can be bsing
Perfect
I can have bsed you can have bsed he can have bsed we can have bsed you can have bsed they can have bsed
Perfect en V-ing
I can have been bsing you can have been bsing he can have been bsing we can have been bsing you can have been bsing they can have been bsing
Négation
Forme simple
I can't bs you can't bs he can't bs we can't bs you can't bs they can't bs
Forme en V-ing
I can't be bsing you can't be bsing he can't be bsing we can't be bsing you can't be bsing they can't be bsing
Perfect
I can't have bsed you can't have bsed he can't have bsed we can't have bsed you can't have bsed they can't have bsed
Perfect en V-ing
I can't have been bsing you can't have been bsing he can't have been bsing we can't have been bsing you can't have been bsing they can't have been bsing
Forme interrogative
Forme simple
can I bs? can you bs? can he bs? can we bs? can you bs? can they bs?
Forme en V-ing
can I be bsing? can you be bsing? can he be bsing? can we be bsing? can you be bsing? can they be bsing?
Perfect
can I have bsed? can you have bsed? can he have bsed? can we have bsed? can you have bsed? can they have bsed?
Perfect en V-ing
can I have been bsing? can you have been bsing? can he have been bsing? can we have been bsing? can you have been bsing? can they have been bsing?
Forme interro-négative
Forme simple
can't I bs? can't you bs? can't he bs? can't we bs? can't you bs? can't they bs?
Forme en V-ing
can't I be bsing? can't you be bsing? can't he be bsing? can't we be bsing? can't you be bsing? can't they be bsing?
Perfect
can't I have bsed? can't you have bsed? can't he have bsed? can't we have bsed? can't you have bsed? can't they have bsed?
Perfect en V-ing
can't I have been bsing? can't you have been bsing? can't he have been bsing? can't we have been bsing? can't you have been bsing? can't they have been bsing?