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