I must kipper you must kipper she must kipper we must kipper you must kipper they must kipper
Forma con 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
Perfecto
I must have kippered you must have kippered she must have kippered we must have kippered you must have kippered they must have kippered
Perfecto con 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
Negación
Forma simple
I must not kipper you must not kipper she must not kipper we must not kipper you must not kipper they must not kipper
Forma con V-ing
I must not be kippering you must not be kippering she must not be kippering we must not be kippering you must not be kippering they must not be kippering
Perfecto
I must not have kippered you must not have kippered she must not have kippered we must not have kippered you must not have kippered they must not have kippered
Perfecto con V-ing
I must not have been kippering you must not have been kippering she must not have been kippering we must not have been kippering you must not have been kippering they must not have been kippering
Forma interrogativa
Forma simple
must I kipper? must you kipper? must she kipper? must we kipper? must you kipper? must they kipper?
Forma con 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?
Perfecto
must I have kippered? must you have kippered? must she have kippered? must we have kippered? must you have kippered? must they have kippered?
Perfecto con 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?
Forma interro-negativa
Forma simple
must I not kipper? must you not kipper? must she not kipper? must we not kipper? must you not kipper? must they not kipper?
Forma con V-ing
must I not be kippering? must you not be kippering? must she not be kippering? must we not be kippering? must you not be kippering? must they not be kippering?
Perfecto
must I not have kippered? must you not have kippered? must she not have kippered? must we not have kippered? must you not have kippered? must they not have kippered?
Perfecto con V-ing
must I not have been kippering? must you not have been kippering? must she not have been kippering? must we not have been kippering? must you not have been kippering? must they not have been kippering?