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