I must fade you must fade she must fade we must fade you must fade they must fade
Forma con V-ing
I must be fading you must be fading she must be fading we must be fading you must be fading they must be fading
Perfecto
I must have faded you must have faded she must have faded we must have faded you must have faded they must have faded
Perfecto con V-ing
I must have been fading you must have been fading she must have been fading we must have been fading you must have been fading they must have been fading
Negación
Forma simple
I mustn't fade you mustn't fade she mustn't fade we mustn't fade you mustn't fade they mustn't fade
Forma con V-ing
I mustn't be fading you mustn't be fading she mustn't be fading we mustn't be fading you mustn't be fading they mustn't be fading
Perfecto
I mustn't have faded you mustn't have faded she mustn't have faded we mustn't have faded you mustn't have faded they mustn't have faded
Perfecto con V-ing
I mustn't have been fading you mustn't have been fading she mustn't have been fading we mustn't have been fading you mustn't have been fading they mustn't have been fading
Forma interrogativa
Forma simple
must I fade? must you fade? must she fade? must we fade? must you fade? must they fade?
Forma con V-ing
must I be fading? must you be fading? must she be fading? must we be fading? must you be fading? must they be fading?
Perfecto
must I have faded? must you have faded? must she have faded? must we have faded? must you have faded? must they have faded?
Perfecto con V-ing
must I have been fading? must you have been fading? must she have been fading? must we have been fading? must you have been fading? must they have been fading?
Forma interro-negativa
Forma simple
mustn't I fade? mustn't you fade? mustn't she fade? mustn't we fade? mustn't you fade? mustn't they fade?
Forma con V-ing
mustn't I be fading? mustn't you be fading? mustn't she be fading? mustn't we be fading? mustn't you be fading? mustn't they be fading?
Perfecto
mustn't I have faded? mustn't you have faded? mustn't she have faded? mustn't we have faded? mustn't you have faded? mustn't they have faded?
Perfecto con V-ing
mustn't I have been fading? mustn't you have been fading? mustn't she have been fading? mustn't we have been fading? mustn't you have been fading? mustn't they have been fading?