I must replace you must replace he must replace we must replace you must replace they must replace
Forma con V-ing
I must be replacing you must be replacing he must be replacing we must be replacing you must be replacing they must be replacing
Perfecto
I must have replaced you must have replaced he must have replaced we must have replaced you must have replaced they must have replaced
Perfecto con V-ing
I must have been replacing you must have been replacing he must have been replacing we must have been replacing you must have been replacing they must have been replacing
Negación
Forma simple
I mustn't replace you mustn't replace he mustn't replace we mustn't replace you mustn't replace they mustn't replace
Forma con V-ing
I mustn't be replacing you mustn't be replacing he mustn't be replacing we mustn't be replacing you mustn't be replacing they mustn't be replacing
Perfecto
I mustn't have replaced you mustn't have replaced he mustn't have replaced we mustn't have replaced you mustn't have replaced they mustn't have replaced
Perfecto con V-ing
I mustn't have been replacing you mustn't have been replacing he mustn't have been replacing we mustn't have been replacing you mustn't have been replacing they mustn't have been replacing
Forma interrogativa
Forma simple
must I replace? must you replace? must he replace? must we replace? must you replace? must they replace?
Forma con V-ing
must I be replacing? must you be replacing? must he be replacing? must we be replacing? must you be replacing? must they be replacing?
Perfecto
must I have replaced? must you have replaced? must he have replaced? must we have replaced? must you have replaced? must they have replaced?
Perfecto con V-ing
must I have been replacing? must you have been replacing? must he have been replacing? must we have been replacing? must you have been replacing? must they have been replacing?
Forma interro-negativa
Forma simple
mustn't I replace? mustn't you replace? mustn't he replace? mustn't we replace? mustn't you replace? mustn't they replace?
Forma con V-ing
mustn't I be replacing? mustn't you be replacing? mustn't he be replacing? mustn't we be replacing? mustn't you be replacing? mustn't they be replacing?
Perfecto
mustn't I have replaced? mustn't you have replaced? mustn't he have replaced? mustn't we have replaced? mustn't you have replaced? mustn't they have replaced?
Perfecto con V-ing
mustn't I have been replacing? mustn't you have been replacing? mustn't he have been replacing? mustn't we have been replacing? mustn't you have been replacing? mustn't they have been replacing?