I must nicker you must nicker he must nicker we must nicker you must nicker they must nicker
Forma con V-ing
I must be nickering you must be nickering he must be nickering we must be nickering you must be nickering they must be nickering
Perfecto
I must have nickered you must have nickered he 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 he must have been nickering we must have been nickering you must have been nickering they must have been nickering
Negación
Forma simple
I must not nicker you must not nicker he must not nicker we must not nicker you must not nicker they must not nicker
Forma con V-ing
I must not be nickering you must not be nickering he must not be nickering we must not be nickering you must not be nickering they must not be nickering
Perfecto
I must not have nickered you must not have nickered he must not have nickered we must not have nickered you must not have nickered they must not have nickered
Perfecto con V-ing
I must not have been nickering you must not have been nickering he must not have been nickering we must not have been nickering you must not have been nickering they must not have been nickering
Forma interrogativa
Forma simple
must I nicker? must you nicker? must he nicker? must we nicker? must you nicker? must they nicker?
Forma con V-ing
must I be nickering? must you be nickering? must he be nickering? must we be nickering? must you be nickering? must they be nickering?
Perfecto
must I have nickered? must you have nickered? must he 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 he have been nickering? must we have been nickering? must you have been nickering? must they have been nickering?
Forma interro-negativa
Forma simple
must I not nicker? must you not nicker? must he not nicker? must we not nicker? must you not nicker? must they not nicker?
Forma con V-ing
must I not be nickering? must you not be nickering? must he not be nickering? must we not be nickering? must you not be nickering? must they not be nickering?
Perfecto
must I not have nickered? must you not have nickered? must he not have nickered? must we not have nickered? must you not have nickered? must they not have nickered?
Perfecto con V-ing
must I not have been nickering? must you not have been nickering? must he not have been nickering? must we not have been nickering? must you not have been nickering? must they not have been nickering?