I can persevere you can persevere he can persevere we can persevere you can persevere they can persevere
Forme en V-ing
I can be persevering you can be persevering he can be persevering we can be persevering you can be persevering they can be persevering
Perfect
I can have persevered you can have persevered he can have persevered we can have persevered you can have persevered they can have persevered
Perfect en V-ing
I can have been persevering you can have been persevering he can have been persevering we can have been persevering you can have been persevering they can have been persevering
Négation
Forme simple
I can't persevere you can't persevere he can't persevere we can't persevere you can't persevere they can't persevere
Forme en V-ing
I can't be persevering you can't be persevering he can't be persevering we can't be persevering you can't be persevering they can't be persevering
Perfect
I can't have persevered you can't have persevered he can't have persevered we can't have persevered you can't have persevered they can't have persevered
Perfect en V-ing
I can't have been persevering you can't have been persevering he can't have been persevering we can't have been persevering you can't have been persevering they can't have been persevering
Forme interrogative
Forme simple
can I persevere? can you persevere? can he persevere? can we persevere? can you persevere? can they persevere?
Forme en V-ing
can I be persevering? can you be persevering? can he be persevering? can we be persevering? can you be persevering? can they be persevering?
Perfect
can I have persevered? can you have persevered? can he have persevered? can we have persevered? can you have persevered? can they have persevered?
Perfect en V-ing
can I have been persevering? can you have been persevering? can he have been persevering? can we have been persevering? can you have been persevering? can they have been persevering?
Forme interro-négative
Forme simple
can't I persevere? can't you persevere? can't he persevere? can't we persevere? can't you persevere? can't they persevere?
Forme en V-ing
can't I be persevering? can't you be persevering? can't he be persevering? can't we be persevering? can't you be persevering? can't they be persevering?
Perfect
can't I have persevered? can't you have persevered? can't he have persevered? can't we have persevered? can't you have persevered? can't they have persevered?
Perfect en V-ing
can't I have been persevering? can't you have been persevering? can't he have been persevering? can't we have been persevering? can't you have been persevering? can't they have been persevering?