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