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