must disbelieve
Verbo regular: disbelieve - disbelieved- disbelieved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must disbelieve
you must disbelieve
he must disbelieve
we must disbelieve
you must disbelieve
they must disbelieve 	I must be disbelieving
you must be disbelieving
he must be disbelieving
we must be disbelieving
you must be disbelieving
they must be disbelieving	I must have disbelieved
you must have disbelieved
he must have disbelieved
we must have disbelieved
you must have disbelieved
they must have disbelieved	I must have been disbelieving
you must have been disbelieving
he must have been disbelieving
we must have been disbelieving
you must have been disbelieving
they must have been disbelieving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not disbelieve
you must not disbelieve
he must not disbelieve
we must not disbelieve
you must not disbelieve
they must not disbelieve 	I must not be disbelieving
you must not be disbelieving
he must not be disbelieving
we must not be disbelieving
you must not be disbelieving
they must not be disbelieving	I must not have disbelieved
you must not have disbelieved
he must not have disbelieved
we must not have disbelieved
you must not have disbelieved
they must not have disbelieved	I must not have been disbelieving
you must not have been disbelieving
he must not have been disbelieving
we must not have been disbelieving
you must not have been disbelieving
they must not have been disbelieving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I disbelieve?
must you disbelieve?
must he disbelieve?
must we disbelieve?
must you disbelieve?
must they disbelieve? 	must I be disbelieving?
must you be disbelieving?
must he be disbelieving?
must we be disbelieving?
must you be disbelieving?
must they be disbelieving? 	must I have disbelieved?
must you have disbelieved?
must he have disbelieved?
must we have disbelieved?
must you have disbelieved?
must they have disbelieved? 	must I have been disbelieving?
must you have been disbelieving?
must he have been disbelieving?
must we have been disbelieving?
must you have been disbelieving?
must they have been disbelieving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not disbelieve?
must you not disbelieve?
must he not disbelieve?
must we not disbelieve?
must you not disbelieve?
must they not disbelieve? 	must I not be disbelieving?
must you not be disbelieving?
must he not be disbelieving?
must we not be disbelieving?
must you not be disbelieving?
must they not be disbelieving? 	must I not have disbelieved?
must you not have disbelieved?
must he not have disbelieved?
must we not have disbelieved?
must you not have disbelieved?
must they not have disbelieved? 	must I not have been disbelieving?
must you not have been disbelieving?
must he not have been disbelieving?
must we not have been disbelieving?
must you not have been disbelieving?
must they not have been disbelieving?