must disco
Verbo regular: disco - discoed- discoed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must disco
you must disco
he must disco
we must disco
you must disco
they must disco 	I must be discoing
you must be discoing
he must be discoing
we must be discoing
you must be discoing
they must be discoing	I must have discoed
you must have discoed
he must have discoed
we must have discoed
you must have discoed
they must have discoed	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not disco
you must not disco
he must not disco
we must not disco
you must not disco
they must not disco 	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	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	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I disco?
must you disco?
must he disco?
must we disco?
must you disco?
must they disco? 	must I be discoing?
must you be discoing?
must he be discoing?
must we be discoing?
must you be discoing?
must they be discoing? 	must I have discoed?
must you have discoed?
must he have discoed?
must we have discoed?
must you have discoed?
must they have discoed? 	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not disco?
must you not disco?
must he not disco?
must we not disco?
must you not disco?
must they not disco? 	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? 	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? 	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?