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