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 cannot understeer you cannot understeer he cannot understeer we cannot understeer you cannot understeer they cannot understeer
Forme en V-ing
I cannot be understeering you cannot be understeering he cannot be understeering we cannot be understeering you cannot be understeering they cannot be understeering
Perfect
I cannot have understeered you cannot have understeered he cannot have understeered we cannot have understeered you cannot have understeered they cannot have understeered
Perfect en V-ing
I cannot have been understeering you cannot have been understeering he cannot have been understeering we cannot have been understeering you cannot have been understeering they cannot 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 I not understeer? can you not understeer? can he not understeer? can we not understeer? can you not understeer? can they not understeer?
Forme en V-ing
can I not be understeering? can you not be understeering? can he not be understeering? can we not be understeering? can you not be understeering? can they not be understeering?
Perfect
can I not have understeered? can you not have understeered? can he not have understeered? can we not have understeered? can you not have understeered? can they not have understeered?
Perfect en V-ing
can I not have been understeering? can you not have been understeering? can he not have been understeering? can we not have been understeering? can you not have been understeering? can they not have been understeering?