I must right you must right he must right we must right you must right they must right
Forma con V-ing
I must be righting you must be righting he must be righting we must be righting you must be righting they must be righting
Perfecto
I must have righted you must have righted he must have righted we must have righted you must have righted they must have righted
Perfecto con V-ing
I must have been righting you must have been righting he must have been righting we must have been righting you must have been righting they must have been righting
Negación
Forma simple
I must not right you must not right he must not right we must not right you must not right they must not right
Forma con V-ing
I must not be righting you must not be righting he must not be righting we must not be righting you must not be righting they must not be righting
Perfecto
I must not have righted you must not have righted he must not have righted we must not have righted you must not have righted they must not have righted
Perfecto con V-ing
I must not have been righting you must not have been righting he must not have been righting we must not have been righting you must not have been righting they must not have been righting
Forma interrogativa
Forma simple
must I right? must you right? must he right? must we right? must you right? must they right?
Forma con V-ing
must I be righting? must you be righting? must he be righting? must we be righting? must you be righting? must they be righting?
Perfecto
must I have righted? must you have righted? must he have righted? must we have righted? must you have righted? must they have righted?
Perfecto con V-ing
must I have been righting? must you have been righting? must he have been righting? must we have been righting? must you have been righting? must they have been righting?
Forma interro-negativa
Forma simple
must I not right? must you not right? must he not right? must we not right? must you not right? must they not right?
Forma con V-ing
must I not be righting? must you not be righting? must he not be righting? must we not be righting? must you not be righting? must they not be righting?
Perfecto
must I not have righted? must you not have righted? must he not have righted? must we not have righted? must you not have righted? must they not have righted?
Perfecto con V-ing
must I not have been righting? must you not have been righting? must he not have been righting? must we not have been righting? must you not have been righting? must they not have been righting?