I must ditch you must ditch he must ditch we must ditch you must ditch they must ditch
Forma con V-ing
I must be ditching you must be ditching he must be ditching we must be ditching you must be ditching they must be ditching
Perfecto
I must have ditched you must have ditched he must have ditched we must have ditched you must have ditched they must have ditched
Perfecto con V-ing
I must have been ditching you must have been ditching he must have been ditching we must have been ditching you must have been ditching they must have been ditching
Negación
Forma simple
I must not ditch you must not ditch he must not ditch we must not ditch you must not ditch they must not ditch
Forma con V-ing
I must not be ditching you must not be ditching he must not be ditching we must not be ditching you must not be ditching they must not be ditching
Perfecto
I must not have ditched you must not have ditched he must not have ditched we must not have ditched you must not have ditched they must not have ditched
Perfecto con V-ing
I must not have been ditching you must not have been ditching he must not have been ditching we must not have been ditching you must not have been ditching they must not have been ditching
Forma interrogativa
Forma simple
must I ditch? must you ditch? must he ditch? must we ditch? must you ditch? must they ditch?
Forma con V-ing
must I be ditching? must you be ditching? must he be ditching? must we be ditching? must you be ditching? must they be ditching?
Perfecto
must I have ditched? must you have ditched? must he have ditched? must we have ditched? must you have ditched? must they have ditched?
Perfecto con V-ing
must I have been ditching? must you have been ditching? must he have been ditching? must we have been ditching? must you have been ditching? must they have been ditching?
Forma interro-negativa
Forma simple
must I not ditch? must you not ditch? must he not ditch? must we not ditch? must you not ditch? must they not ditch?
Forma con V-ing
must I not be ditching? must you not be ditching? must he not be ditching? must we not be ditching? must you not be ditching? must they not be ditching?
Perfecto
must I not have ditched? must you not have ditched? must he not have ditched? must we not have ditched? must you not have ditched? must they not have ditched?
Perfecto con V-ing
must I not have been ditching? must you not have been ditching? must he not have been ditching? must we not have been ditching? must you not have been ditching? must they not have been ditching?