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