Verbo regular: fail fail - fail failed - fail failed
Atención, este verbo puede no existir, se da como ejemplo la conjugación.
Afirmación
Forma simple
I must fail fail you must fail fail he must fail fail we must fail fail you must fail fail they must fail fail
Forma con V-ing
I must be fail failing you must be fail failing he must be fail failing we must be fail failing you must be fail failing they must be fail failing
Perfecto
I must have fail failed you must have fail failed he must have fail failed we must have fail failed you must have fail failed they must have fail failed
Perfecto con V-ing
I must have been fail failing you must have been fail failing he must have been fail failing we must have been fail failing you must have been fail failing they must have been fail failing
Negación
Forma simple
I mustn't fail fail you mustn't fail fail he mustn't fail fail we mustn't fail fail you mustn't fail fail they mustn't fail fail
Forma con V-ing
I mustn't be fail failing you mustn't be fail failing he mustn't be fail failing we mustn't be fail failing you mustn't be fail failing they mustn't be fail failing
Perfecto
I mustn't have fail failed you mustn't have fail failed he mustn't have fail failed we mustn't have fail failed you mustn't have fail failed they mustn't have fail failed
Perfecto con V-ing
I mustn't have been fail failing you mustn't have been fail failing he mustn't have been fail failing we mustn't have been fail failing you mustn't have been fail failing they mustn't have been fail failing
Forma interrogativa
Forma simple
must I fail fail? must you fail fail? must he fail fail? must we fail fail? must you fail fail? must they fail fail?
Forma con V-ing
must I be fail failing? must you be fail failing? must he be fail failing? must we be fail failing? must you be fail failing? must they be fail failing?
Perfecto
must I have fail failed? must you have fail failed? must he have fail failed? must we have fail failed? must you have fail failed? must they have fail failed?
Perfecto con V-ing
must I have been fail failing? must you have been fail failing? must he have been fail failing? must we have been fail failing? must you have been fail failing? must they have been fail failing?
Forma interro-negativa
Forma simple
mustn't I fail fail? mustn't you fail fail? mustn't he fail fail? mustn't we fail fail? mustn't you fail fail? mustn't they fail fail?
Forma con V-ing
mustn't I be fail failing? mustn't you be fail failing? mustn't he be fail failing? mustn't we be fail failing? mustn't you be fail failing? mustn't they be fail failing?
Perfecto
mustn't I have fail failed? mustn't you have fail failed? mustn't he have fail failed? mustn't we have fail failed? mustn't you have fail failed? mustn't they have fail failed?
Perfecto con V-ing
mustn't I have been fail failing? mustn't you have been fail failing? mustn't he have been fail failing? mustn't we have been fail failing? mustn't you have been fail failing? mustn't they have been fail failing?