Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I can stiffer you can stiffer she can stiffer we can stiffer you can stiffer they can stiffer
Forme en V-ing
I can be stiffering you can be stiffering she can be stiffering we can be stiffering you can be stiffering they can be stiffering
Perfect
I can have stiffered you can have stiffered she can have stiffered we can have stiffered you can have stiffered they can have stiffered
Perfect en V-ing
I can have been stiffering you can have been stiffering she can have been stiffering we can have been stiffering you can have been stiffering they can have been stiffering
Négation
Forme simple
I cannot stiffer you cannot stiffer she cannot stiffer we cannot stiffer you cannot stiffer they cannot stiffer
Forme en V-ing
I cannot be stiffering you cannot be stiffering she cannot be stiffering we cannot be stiffering you cannot be stiffering they cannot be stiffering
Perfect
I cannot have stiffered you cannot have stiffered she cannot have stiffered we cannot have stiffered you cannot have stiffered they cannot have stiffered
Perfect en V-ing
I cannot have been stiffering you cannot have been stiffering she cannot have been stiffering we cannot have been stiffering you cannot have been stiffering they cannot have been stiffering
Forme interrogative
Forme simple
can I stiffer? can you stiffer? can she stiffer? can we stiffer? can you stiffer? can they stiffer?
Forme en V-ing
can I be stiffering? can you be stiffering? can she be stiffering? can we be stiffering? can you be stiffering? can they be stiffering?
Perfect
can I have stiffered? can you have stiffered? can she have stiffered? can we have stiffered? can you have stiffered? can they have stiffered?
Perfect en V-ing
can I have been stiffering? can you have been stiffering? can she have been stiffering? can we have been stiffering? can you have been stiffering? can they have been stiffering?
Forme interro-négative
Forme simple
can I not stiffer? can you not stiffer? can she not stiffer? can we not stiffer? can you not stiffer? can they not stiffer?
Forme en V-ing
can I not be stiffering? can you not be stiffering? can she not be stiffering? can we not be stiffering? can you not be stiffering? can they not be stiffering?
Perfect
can I not have stiffered? can you not have stiffered? can she not have stiffered? can we not have stiffered? can you not have stiffered? can they not have stiffered?
Perfect en V-ing
can I not have been stiffering? can you not have been stiffering? can she not have been stiffering? can we not have been stiffering? can you not have been stiffering? can they not have been stiffering?