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