must blabber
Verbo regular: blabber - blabbered- blabbered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must blabber
you must blabber
he must blabber
we must blabber
you must blabber
they must blabber 	I must be blabbering
you must be blabbering
he must be blabbering
we must be blabbering
you must be blabbering
they must be blabbering	I must have blabbered
you must have blabbered
he must have blabbered
we must have blabbered
you must have blabbered
they must have blabbered	I must have been blabbering
you must have been blabbering
he must have been blabbering
we must have been blabbering
you must have been blabbering
they must have been blabbering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not blabber
you must not blabber
he must not blabber
we must not blabber
you must not blabber
they must not blabber 	I must not be blabbering
you must not be blabbering
he must not be blabbering
we must not be blabbering
you must not be blabbering
they must not be blabbering	I must not have blabbered
you must not have blabbered
he must not have blabbered
we must not have blabbered
you must not have blabbered
they must not have blabbered	I must not have been blabbering
you must not have been blabbering
he must not have been blabbering
we must not have been blabbering
you must not have been blabbering
they must not have been blabbering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I blabber?
must you blabber?
must he blabber?
must we blabber?
must you blabber?
must they blabber? 	must I be blabbering?
must you be blabbering?
must he be blabbering?
must we be blabbering?
must you be blabbering?
must they be blabbering? 	must I have blabbered?
must you have blabbered?
must he have blabbered?
must we have blabbered?
must you have blabbered?
must they have blabbered? 	must I have been blabbering?
must you have been blabbering?
must he have been blabbering?
must we have been blabbering?
must you have been blabbering?
must they have been blabbering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not blabber?
must you not blabber?
must he not blabber?
must we not blabber?
must you not blabber?
must they not blabber? 	must I not be blabbering?
must you not be blabbering?
must he not be blabbering?
must we not be blabbering?
must you not be blabbering?
must they not be blabbering? 	must I not have blabbered?
must you not have blabbered?
must he not have blabbered?
must we not have blabbered?
must you not have blabbered?
must they not have blabbered? 	must I not have been blabbering?
must you not have been blabbering?
must he not have been blabbering?
must we not have been blabbering?
must you not have been blabbering?
must they not have been blabbering?