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