I must essay you must essay she must essay we must essay you must essay they must essay
Forma con V-ing
I must be essaying you must be essaying she must be essaying we must be essaying you must be essaying they must be essaying
Perfecto
I must have essayed you must have essayed she 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 she 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 she 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 she 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 she 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 she 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 she essay? must we essay? must you essay? must they essay?
Forma con V-ing
must I be essaying? must you be essaying? must she be essaying? must we be essaying? must you be essaying? must they be essaying?
Perfecto
must I have essayed? must you have essayed? must she 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 she 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 she 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 she 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 she 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 she have been essaying? mustn't we have been essaying? mustn't you have been essaying? mustn't they have been essaying?