I must disco you must disco he must disco we must disco you must disco they must disco
Forma con V-ing
I must be discoing you must be discoing he must be discoing we must be discoing you must be discoing they must be discoing
Perfecto
I must have discoed you must have discoed he must have discoed we must have discoed you must have discoed they must have discoed
Perfecto con V-ing
I must have been discoing you must have been discoing he must have been discoing we must have been discoing you must have been discoing they must have been discoing
Negación
Forma simple
I must not disco you must not disco he must not disco we must not disco you must not disco they must not disco
Forma con V-ing
I must not be discoing you must not be discoing he must not be discoing we must not be discoing you must not be discoing they must not be discoing
Perfecto
I must not have discoed you must not have discoed he must not have discoed we must not have discoed you must not have discoed they must not have discoed
Perfecto con V-ing
I must not have been discoing you must not have been discoing he must not have been discoing we must not have been discoing you must not have been discoing they must not have been discoing
Forma interrogativa
Forma simple
must I disco? must you disco? must he disco? must we disco? must you disco? must they disco?
Forma con V-ing
must I be discoing? must you be discoing? must he be discoing? must we be discoing? must you be discoing? must they be discoing?
Perfecto
must I have discoed? must you have discoed? must he have discoed? must we have discoed? must you have discoed? must they have discoed?
Perfecto con V-ing
must I have been discoing? must you have been discoing? must he have been discoing? must we have been discoing? must you have been discoing? must they have been discoing?
Forma interro-negativa
Forma simple
must I not disco? must you not disco? must he not disco? must we not disco? must you not disco? must they not disco?
Forma con V-ing
must I not be discoing? must you not be discoing? must he not be discoing? must we not be discoing? must you not be discoing? must they not be discoing?
Perfecto
must I not have discoed? must you not have discoed? must he not have discoed? must we not have discoed? must you not have discoed? must they not have discoed?
Perfecto con V-ing
must I not have been discoing? must you not have been discoing? must he not have been discoing? must we not have been discoing? must you not have been discoing? must they not have been discoing?