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