I must kipper you must kipper he must kipper we must kipper you must kipper they must kipper
Forme en V-ing
I must be kippering you must be kippering he must be kippering we must be kippering you must be kippering they must be kippering
Perfect
I must have kippered you must have kippered he must have kippered we must have kippered you must have kippered they must have kippered
Perfect en V-ing
I must have been kippering you must have been kippering he must have been kippering we must have been kippering you must have been kippering they must have been kippering
Négation
Forme simple
I must not kipper you must not kipper he must not kipper we must not kipper you must not kipper they must not kipper
Forme en V-ing
I must not be kippering you must not be kippering he must not be kippering we must not be kippering you must not be kippering they must not be kippering
Perfect
I must not have kippered you must not have kippered he must not have kippered we must not have kippered you must not have kippered they must not have kippered
Perfect en V-ing
I must not have been kippering you must not have been kippering he must not have been kippering we must not have been kippering you must not have been kippering they must not have been kippering
Forme interrogative
Forme simple
must I kipper? must you kipper? must he kipper? must we kipper? must you kipper? must they kipper?
Forme en V-ing
must I be kippering? must you be kippering? must he be kippering? must we be kippering? must you be kippering? must they be kippering?
Perfect
must I have kippered? must you have kippered? must he have kippered? must we have kippered? must you have kippered? must they have kippered?
Perfect en V-ing
must I have been kippering? must you have been kippering? must he have been kippering? must we have been kippering? must you have been kippering? must they have been kippering?
Forme interro-négative
Forme simple
must I not kipper? must you not kipper? must he not kipper? must we not kipper? must you not kipper? must they not kipper?
Forme en V-ing
must I not be kippering? must you not be kippering? must he not be kippering? must we not be kippering? must you not be kippering? must they not be kippering?
Perfect
must I not have kippered? must you not have kippered? must he not have kippered? must we not have kippered? must you not have kippered? must they not have kippered?
Perfect en V-ing
must I not have been kippering? must you not have been kippering? must he not have been kippering? must we not have been kippering? must you not have been kippering? must they not have been kippering?