I must cure you must cure he must cure we must cure you must cure they must cure
Forma con V-ing
I must be curing you must be curing he must be curing we must be curing you must be curing they must be curing
Perfecto
I must have cured you must have cured he must have cured we must have cured you must have cured they must have cured
Perfecto con V-ing
I must have been curing you must have been curing he must have been curing we must have been curing you must have been curing they must have been curing
Negación
Forma simple
I must not cure you must not cure he must not cure we must not cure you must not cure they must not cure
Forma con V-ing
I must not be curing you must not be curing he must not be curing we must not be curing you must not be curing they must not be curing
Perfecto
I must not have cured you must not have cured he must not have cured we must not have cured you must not have cured they must not have cured
Perfecto con V-ing
I must not have been curing you must not have been curing he must not have been curing we must not have been curing you must not have been curing they must not have been curing
Forma interrogativa
Forma simple
must I cure? must you cure? must he cure? must we cure? must you cure? must they cure?
Forma con V-ing
must I be curing? must you be curing? must he be curing? must we be curing? must you be curing? must they be curing?
Perfecto
must I have cured? must you have cured? must he have cured? must we have cured? must you have cured? must they have cured?
Perfecto con V-ing
must I have been curing? must you have been curing? must he have been curing? must we have been curing? must you have been curing? must they have been curing?
Forma interro-negativa
Forma simple
must I not cure? must you not cure? must he not cure? must we not cure? must you not cure? must they not cure?
Forma con V-ing
must I not be curing? must you not be curing? must he not be curing? must we not be curing? must you not be curing? must they not be curing?
Perfecto
must I not have cured? must you not have cured? must he not have cured? must we not have cured? must you not have cured? must they not have cured?
Perfecto con V-ing
must I not have been curing? must you not have been curing? must he not have been curing? must we not have been curing? must you not have been curing? must they not have been curing?