I must kipper you must kipper she must kipper we must kipper you must kipper they must kipper
Forme en V-ing
I must be kippering you must be kippering she must be kippering we must be kippering you must be kippering they must be kippering
Perfect
I must have kippered you must have kippered she 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 she must have been kippering we must have been kippering you must have been kippering they must have been kippering
Négation
Forme simple
I mustn't kipper you mustn't kipper she mustn't kipper we mustn't kipper you mustn't kipper they mustn't kipper
Forme en V-ing
I mustn't be kippering you mustn't be kippering she mustn't be kippering we mustn't be kippering you mustn't be kippering they mustn't be kippering
Perfect
I mustn't have kippered you mustn't have kippered she mustn't have kippered we mustn't have kippered you mustn't have kippered they mustn't have kippered
Perfect en V-ing
I mustn't have been kippering you mustn't have been kippering she mustn't have been kippering we mustn't have been kippering you mustn't have been kippering they mustn't have been kippering
Forme interrogative
Forme simple
must I kipper? must you kipper? must she kipper? must we kipper? must you kipper? must they kipper?
Forme en V-ing
must I be kippering? must you be kippering? must she be kippering? must we be kippering? must you be kippering? must they be kippering?
Perfect
must I have kippered? must you have kippered? must she 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 she have been kippering? must we have been kippering? must you have been kippering? must they have been kippering?
Forme interro-négative
Forme simple
mustn't I kipper? mustn't you kipper? mustn't she kipper? mustn't we kipper? mustn't you kipper? mustn't they kipper?
Forme en V-ing
mustn't I be kippering? mustn't you be kippering? mustn't she be kippering? mustn't we be kippering? mustn't you be kippering? mustn't they be kippering?
Perfect
mustn't I have kippered? mustn't you have kippered? mustn't she have kippered? mustn't we have kippered? mustn't you have kippered? mustn't they have kippered?
Perfect en V-ing
mustn't I have been kippering? mustn't you have been kippering? mustn't she have been kippering? mustn't we have been kippering? mustn't you have been kippering? mustn't they have been kippering?