I must enure you must enure he must enure we must enure you must enure they must enure
Forma con V-ing
I must be enuring you must be enuring he must be enuring we must be enuring you must be enuring they must be enuring
Perfecto
I must have enured you must have enured he must have enured we must have enured you must have enured they must have enured
Perfecto con V-ing
I must have been enuring you must have been enuring he must have been enuring we must have been enuring you must have been enuring they must have been enuring
Negación
Forma simple
I must not enure you must not enure he must not enure we must not enure you must not enure they must not enure
Forma con V-ing
I must not be enuring you must not be enuring he must not be enuring we must not be enuring you must not be enuring they must not be enuring
Perfecto
I must not have enured you must not have enured he must not have enured we must not have enured you must not have enured they must not have enured
Perfecto con V-ing
I must not have been enuring you must not have been enuring he must not have been enuring we must not have been enuring you must not have been enuring they must not have been enuring
Forma interrogativa
Forma simple
must I enure? must you enure? must he enure? must we enure? must you enure? must they enure?
Forma con V-ing
must I be enuring? must you be enuring? must he be enuring? must we be enuring? must you be enuring? must they be enuring?
Perfecto
must I have enured? must you have enured? must he have enured? must we have enured? must you have enured? must they have enured?
Perfecto con V-ing
must I have been enuring? must you have been enuring? must he have been enuring? must we have been enuring? must you have been enuring? must they have been enuring?
Forma interro-negativa
Forma simple
must I not enure? must you not enure? must he not enure? must we not enure? must you not enure? must they not enure?
Forma con V-ing
must I not be enuring? must you not be enuring? must he not be enuring? must we not be enuring? must you not be enuring? must they not be enuring?
Perfecto
must I not have enured? must you not have enured? must he not have enured? must we not have enured? must you not have enured? must they not have enured?
Perfecto con V-ing
must I not have been enuring? must you not have been enuring? must he not have been enuring? must we not have been enuring? must you not have been enuring? must they not have been enuring?