I must nicker you must nicker she must nicker we must nicker you must nicker they must nicker
Forma con V-ing
I must be nickering you must be nickering she must be nickering we must be nickering you must be nickering they must be nickering
Perfecto
I must have nickered you must have nickered she must have nickered we must have nickered you must have nickered they must have nickered
Perfecto con V-ing
I must have been nickering you must have been nickering she must have been nickering we must have been nickering you must have been nickering they must have been nickering
Negación
Forma simple
I mustn't nicker you mustn't nicker she mustn't nicker we mustn't nicker you mustn't nicker they mustn't nicker
Forma con V-ing
I mustn't be nickering you mustn't be nickering she mustn't be nickering we mustn't be nickering you mustn't be nickering they mustn't be nickering
Perfecto
I mustn't have nickered you mustn't have nickered she mustn't have nickered we mustn't have nickered you mustn't have nickered they mustn't have nickered
Perfecto con V-ing
I mustn't have been nickering you mustn't have been nickering she mustn't have been nickering we mustn't have been nickering you mustn't have been nickering they mustn't have been nickering
Forma interrogativa
Forma simple
must I nicker? must you nicker? must she nicker? must we nicker? must you nicker? must they nicker?
Forma con V-ing
must I be nickering? must you be nickering? must she be nickering? must we be nickering? must you be nickering? must they be nickering?
Perfecto
must I have nickered? must you have nickered? must she have nickered? must we have nickered? must you have nickered? must they have nickered?
Perfecto con V-ing
must I have been nickering? must you have been nickering? must she have been nickering? must we have been nickering? must you have been nickering? must they have been nickering?
Forma interro-negativa
Forma simple
mustn't I nicker? mustn't you nicker? mustn't she nicker? mustn't we nicker? mustn't you nicker? mustn't they nicker?
Forma con V-ing
mustn't I be nickering? mustn't you be nickering? mustn't she be nickering? mustn't we be nickering? mustn't you be nickering? mustn't they be nickering?
Perfecto
mustn't I have nickered? mustn't you have nickered? mustn't she have nickered? mustn't we have nickered? mustn't you have nickered? mustn't they have nickered?
Perfecto con V-ing
mustn't I have been nickering? mustn't you have been nickering? mustn't she have been nickering? mustn't we have been nickering? mustn't you have been nickering? mustn't they have been nickering?