I can degenerate you can degenerate he can degenerate we can degenerate you can degenerate they can degenerate
Forme en V-ing
I can be degenerating you can be degenerating he can be degenerating we can be degenerating you can be degenerating they can be degenerating
Perfect
I can have degenerated you can have degenerated he can have degenerated we can have degenerated you can have degenerated they can have degenerated
Perfect en V-ing
I can have been degenerating you can have been degenerating he can have been degenerating we can have been degenerating you can have been degenerating they can have been degenerating
Négation
Forme simple
I can't degenerate you can't degenerate he can't degenerate we can't degenerate you can't degenerate they can't degenerate
Forme en V-ing
I can't be degenerating you can't be degenerating he can't be degenerating we can't be degenerating you can't be degenerating they can't be degenerating
Perfect
I can't have degenerated you can't have degenerated he can't have degenerated we can't have degenerated you can't have degenerated they can't have degenerated
Perfect en V-ing
I can't have been degenerating you can't have been degenerating he can't have been degenerating we can't have been degenerating you can't have been degenerating they can't have been degenerating
Forme interrogative
Forme simple
can I degenerate? can you degenerate? can he degenerate? can we degenerate? can you degenerate? can they degenerate?
Forme en V-ing
can I be degenerating? can you be degenerating? can he be degenerating? can we be degenerating? can you be degenerating? can they be degenerating?
Perfect
can I have degenerated? can you have degenerated? can he have degenerated? can we have degenerated? can you have degenerated? can they have degenerated?
Perfect en V-ing
can I have been degenerating? can you have been degenerating? can he have been degenerating? can we have been degenerating? can you have been degenerating? can they have been degenerating?
Forme interro-négative
Forme simple
can't I degenerate? can't you degenerate? can't he degenerate? can't we degenerate? can't you degenerate? can't they degenerate?
Forme en V-ing
can't I be degenerating? can't you be degenerating? can't he be degenerating? can't we be degenerating? can't you be degenerating? can't they be degenerating?
Perfect
can't I have degenerated? can't you have degenerated? can't he have degenerated? can't we have degenerated? can't you have degenerated? can't they have degenerated?
Perfect en V-ing
can't I have been degenerating? can't you have been degenerating? can't he have been degenerating? can't we have been degenerating? can't you have been degenerating? can't they have been degenerating?