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