must blurb
Verbo regular: blurb - blurbed- blurbed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must blurb
you must blurb
he must blurb
we must blurb
you must blurb
they must blurb 	I must be blurbing
you must be blurbing
he must be blurbing
we must be blurbing
you must be blurbing
they must be blurbing	I must have blurbed
you must have blurbed
he must have blurbed
we must have blurbed
you must have blurbed
they must have blurbed	I must have been blurbing
you must have been blurbing
he must have been blurbing
we must have been blurbing
you must have been blurbing
they must have been blurbing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not blurb
you must not blurb
he must not blurb
we must not blurb
you must not blurb
they must not blurb 	I must not be blurbing
you must not be blurbing
he must not be blurbing
we must not be blurbing
you must not be blurbing
they must not be blurbing	I must not have blurbed
you must not have blurbed
he must not have blurbed
we must not have blurbed
you must not have blurbed
they must not have blurbed	I must not have been blurbing
you must not have been blurbing
he must not have been blurbing
we must not have been blurbing
you must not have been blurbing
they must not have been blurbing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I blurb?
must you blurb?
must he blurb?
must we blurb?
must you blurb?
must they blurb? 	must I be blurbing?
must you be blurbing?
must he be blurbing?
must we be blurbing?
must you be blurbing?
must they be blurbing? 	must I have blurbed?
must you have blurbed?
must he have blurbed?
must we have blurbed?
must you have blurbed?
must they have blurbed? 	must I have been blurbing?
must you have been blurbing?
must he have been blurbing?
must we have been blurbing?
must you have been blurbing?
must they have been blurbing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not blurb?
must you not blurb?
must he not blurb?
must we not blurb?
must you not blurb?
must they not blurb? 	must I not be blurbing?
must you not be blurbing?
must he not be blurbing?
must we not be blurbing?
must you not be blurbing?
must they not be blurbing? 	must I not have blurbed?
must you not have blurbed?
must he not have blurbed?
must we not have blurbed?
must you not have blurbed?
must they not have blurbed? 	must I not have been blurbing?
must you not have been blurbing?
must he not have been blurbing?
must we not have been blurbing?
must you not have been blurbing?
must they not have been blurbing?