Verbo regular: fail fail - fail failed - fail failed
Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I must fail fail you must fail fail she must fail fail we must fail fail you must fail fail they must fail fail
Forma com V-ing
I must be fail failing you must be fail failing she must be fail failing we must be fail failing you must be fail failing they must be fail failing
Perfeito
I must have fail failed you must have fail failed she must have fail failed we must have fail failed you must have fail failed they must have fail failed
Perfeito com V-ing
I must have been fail failing you must have been fail failing she must have been fail failing we must have been fail failing you must have been fail failing they must have been fail failing
Negação
Forma simple
I mustn't fail fail you mustn't fail fail she mustn't fail fail we mustn't fail fail you mustn't fail fail they mustn't fail fail
Forma com V-ing
I mustn't be fail failing you mustn't be fail failing she mustn't be fail failing we mustn't be fail failing you mustn't be fail failing they mustn't be fail failing
Perfeito
I mustn't have fail failed you mustn't have fail failed she mustn't have fail failed we mustn't have fail failed you mustn't have fail failed they mustn't have fail failed
Perfeito com V-ing
I mustn't have been fail failing you mustn't have been fail failing she 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 she fail fail? must we fail fail? must you fail fail? must they fail fail?
Forma com V-ing
must I be fail failing? must you be fail failing? must she be fail failing? must we be fail failing? must you be fail failing? must they be fail failing?
Perfeito
must I have fail failed? must you have fail failed? must she have fail failed? must we have fail failed? must you have fail failed? must they have fail failed?
Perfeito com V-ing
must I have been fail failing? must you have been fail failing? must she have been fail failing? must we have been fail failing? must you have been fail failing? must they have been fail failing?
Forma interro-Negação
Forma simple
mustn't I fail fail? mustn't you fail fail? mustn't she fail fail? mustn't we fail fail? mustn't you fail fail? mustn't they fail fail?
Forma com V-ing
mustn't I be fail failing? mustn't you be fail failing? mustn't she be fail failing? mustn't we be fail failing? mustn't you be fail failing? mustn't they be fail failing?
Perfeito
mustn't I have fail failed? mustn't you have fail failed? mustn't she have fail failed? mustn't we have fail failed? mustn't you have fail failed? mustn't they have fail failed?
Perfeito com V-ing
mustn't I have been fail failing? mustn't you have been fail failing? mustn't she 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?