I must shepherd you must shepherd he must shepherd we must shepherd you must shepherd they must shepherd
Forma con V-ing
I must be shepherding you must be shepherding he must be shepherding we must be shepherding you must be shepherding they must be shepherding
Perfecto
I must have shepherded you must have shepherded he must have shepherded we must have shepherded you must have shepherded they must have shepherded
Perfecto con V-ing
I must have been shepherding you must have been shepherding he must have been shepherding we must have been shepherding you must have been shepherding they must have been shepherding
Negación
Forma simple
I mustn't shepherd you mustn't shepherd he mustn't shepherd we mustn't shepherd you mustn't shepherd they mustn't shepherd
Forma con V-ing
I mustn't be shepherding you mustn't be shepherding he mustn't be shepherding we mustn't be shepherding you mustn't be shepherding they mustn't be shepherding
Perfecto
I mustn't have shepherded you mustn't have shepherded he mustn't have shepherded we mustn't have shepherded you mustn't have shepherded they mustn't have shepherded
Perfecto con V-ing
I mustn't have been shepherding you mustn't have been shepherding he mustn't have been shepherding we mustn't have been shepherding you mustn't have been shepherding they mustn't have been shepherding
Forma interrogativa
Forma simple
must I shepherd? must you shepherd? must he shepherd? must we shepherd? must you shepherd? must they shepherd?
Forma con V-ing
must I be shepherding? must you be shepherding? must he be shepherding? must we be shepherding? must you be shepherding? must they be shepherding?
Perfecto
must I have shepherded? must you have shepherded? must he have shepherded? must we have shepherded? must you have shepherded? must they have shepherded?
Perfecto con V-ing
must I have been shepherding? must you have been shepherding? must he have been shepherding? must we have been shepherding? must you have been shepherding? must they have been shepherding?
Forma interro-negativa
Forma simple
mustn't I shepherd? mustn't you shepherd? mustn't he shepherd? mustn't we shepherd? mustn't you shepherd? mustn't they shepherd?
Forma con V-ing
mustn't I be shepherding? mustn't you be shepherding? mustn't he be shepherding? mustn't we be shepherding? mustn't you be shepherding? mustn't they be shepherding?
Perfecto
mustn't I have shepherded? mustn't you have shepherded? mustn't he have shepherded? mustn't we have shepherded? mustn't you have shepherded? mustn't they have shepherded?
Perfecto con V-ing
mustn't I have been shepherding? mustn't you have been shepherding? mustn't he have been shepherding? mustn't we have been shepherding? mustn't you have been shepherding? mustn't they have been shepherding?