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