I must calk you must calk he must calk we must calk you must calk they must calk
Forma con V-ing
I must be calking you must be calking he must be calking we must be calking you must be calking they must be calking
Perfecto
I must have calked you must have calked he must have calked we must have calked you must have calked they must have calked
Perfecto con V-ing
I must have been calking you must have been calking he must have been calking we must have been calking you must have been calking they must have been calking
Negación
Forma simple
I must not calk you must not calk he must not calk we must not calk you must not calk they must not calk
Forma con V-ing
I must not be calking you must not be calking he must not be calking we must not be calking you must not be calking they must not be calking
Perfecto
I must not have calked you must not have calked he must not have calked we must not have calked you must not have calked they must not have calked
Perfecto con V-ing
I must not have been calking you must not have been calking he must not have been calking we must not have been calking you must not have been calking they must not have been calking
Forma interrogativa
Forma simple
must I calk? must you calk? must he calk? must we calk? must you calk? must they calk?
Forma con V-ing
must I be calking? must you be calking? must he be calking? must we be calking? must you be calking? must they be calking?
Perfecto
must I have calked? must you have calked? must he have calked? must we have calked? must you have calked? must they have calked?
Perfecto con V-ing
must I have been calking? must you have been calking? must he have been calking? must we have been calking? must you have been calking? must they have been calking?
Forma interro-negativa
Forma simple
must I not calk? must you not calk? must he not calk? must we not calk? must you not calk? must they not calk?
Forma con V-ing
must I not be calking? must you not be calking? must he not be calking? must we not be calking? must you not be calking? must they not be calking?
Perfecto
must I not have calked? must you not have calked? must he not have calked? must we not have calked? must you not have calked? must they not have calked?
Perfecto con V-ing
must I not have been calking? must you not have been calking? must he not have been calking? must we not have been calking? must you not have been calking? must they not have been calking?