I can understeer you can understeer he can understeer we can understeer you can understeer they can understeer
Forme en V-ing
I can be understeering you can be understeering he can be understeering we can be understeering you can be understeering they can be understeering
Perfect
I can have understeered you can have understeered he can have understeered we can have understeered you can have understeered they can have understeered
Perfect en V-ing
I can have been understeering you can have been understeering he can have been understeering we can have been understeering you can have been understeering they can have been understeering
Négation
Forme simple
I can't understeer you can't understeer he can't understeer we can't understeer you can't understeer they can't understeer
Forme en V-ing
I can't be understeering you can't be understeering he can't be understeering we can't be understeering you can't be understeering they can't be understeering
Perfect
I can't have understeered you can't have understeered he can't have understeered we can't have understeered you can't have understeered they can't have understeered
Perfect en V-ing
I can't have been understeering you can't have been understeering he can't have been understeering we can't have been understeering you can't have been understeering they can't have been understeering
Forme interrogative
Forme simple
can I understeer? can you understeer? can he understeer? can we understeer? can you understeer? can they understeer?
Forme en V-ing
can I be understeering? can you be understeering? can he be understeering? can we be understeering? can you be understeering? can they be understeering?
Perfect
can I have understeered? can you have understeered? can he have understeered? can we have understeered? can you have understeered? can they have understeered?
Perfect en V-ing
can I have been understeering? can you have been understeering? can he have been understeering? can we have been understeering? can you have been understeering? can they have been understeering?
Forme interro-négative
Forme simple
can't I understeer? can't you understeer? can't he understeer? can't we understeer? can't you understeer? can't they understeer?
Forme en V-ing
can't I be understeering? can't you be understeering? can't he be understeering? can't we be understeering? can't you be understeering? can't they be understeering?
Perfect
can't I have understeered? can't you have understeered? can't he have understeered? can't we have understeered? can't you have understeered? can't they have understeered?
Perfect en V-ing
can't I have been understeering? can't you have been understeering? can't he have been understeering? can't we have been understeering? can't you have been understeering? can't they have been understeering?