must cheer
Verbo regular: cheer - cheered- cheered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must cheer
you must cheer
he must cheer
we must cheer
you must cheer
they must cheer 	I must be cheering
you must be cheering
he must be cheering
we must be cheering
you must be cheering
they must be cheering	I must have cheered
you must have cheered
he must have cheered
we must have cheered
you must have cheered
they must have cheered	I must have been cheering
you must have been cheering
he must have been cheering
we must have been cheering
you must have been cheering
they must have been cheering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not cheer
you must not cheer
he must not cheer
we must not cheer
you must not cheer
they must not cheer 	I must not be cheering
you must not be cheering
he must not be cheering
we must not be cheering
you must not be cheering
they must not be cheering	I must not have cheered
you must not have cheered
he must not have cheered
we must not have cheered
you must not have cheered
they must not have cheered	I must not have been cheering
you must not have been cheering
he must not have been cheering
we must not have been cheering
you must not have been cheering
they must not have been cheering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I cheer?
must you cheer?
must he cheer?
must we cheer?
must you cheer?
must they cheer? 	must I be cheering?
must you be cheering?
must he be cheering?
must we be cheering?
must you be cheering?
must they be cheering? 	must I have cheered?
must you have cheered?
must he have cheered?
must we have cheered?
must you have cheered?
must they have cheered? 	must I have been cheering?
must you have been cheering?
must he have been cheering?
must we have been cheering?
must you have been cheering?
must they have been cheering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not cheer?
must you not cheer?
must he not cheer?
must we not cheer?
must you not cheer?
must they not cheer? 	must I not be cheering?
must you not be cheering?
must he not be cheering?
must we not be cheering?
must you not be cheering?
must they not be cheering? 	must I not have cheered?
must you not have cheered?
must he not have cheered?
must we not have cheered?
must you not have cheered?
must they not have cheered? 	must I not have been cheering?
must you not have been cheering?
must he not have been cheering?
must we not have been cheering?
must you not have been cheering?
must they not have been cheering?