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