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