must blitz
Verbo regular: blitz - blitzed- blitzed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must blitz
you must blitz
he must blitz
we must blitz
you must blitz
they must blitz 	I must be blitzing
you must be blitzing
he must be blitzing
we must be blitzing
you must be blitzing
they must be blitzing	I must have blitzed
you must have blitzed
he must have blitzed
we must have blitzed
you must have blitzed
they must have blitzed	I must have been blitzing
you must have been blitzing
he must have been blitzing
we must have been blitzing
you must have been blitzing
they must have been blitzing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not blitz
you must not blitz
he must not blitz
we must not blitz
you must not blitz
they must not blitz 	I must not be blitzing
you must not be blitzing
he must not be blitzing
we must not be blitzing
you must not be blitzing
they must not be blitzing	I must not have blitzed
you must not have blitzed
he must not have blitzed
we must not have blitzed
you must not have blitzed
they must not have blitzed	I must not have been blitzing
you must not have been blitzing
he must not have been blitzing
we must not have been blitzing
you must not have been blitzing
they must not have been blitzing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I blitz?
must you blitz?
must he blitz?
must we blitz?
must you blitz?
must they blitz? 	must I be blitzing?
must you be blitzing?
must he be blitzing?
must we be blitzing?
must you be blitzing?
must they be blitzing? 	must I have blitzed?
must you have blitzed?
must he have blitzed?
must we have blitzed?
must you have blitzed?
must they have blitzed? 	must I have been blitzing?
must you have been blitzing?
must he have been blitzing?
must we have been blitzing?
must you have been blitzing?
must they have been blitzing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not blitz?
must you not blitz?
must he not blitz?
must we not blitz?
must you not blitz?
must they not blitz? 	must I not be blitzing?
must you not be blitzing?
must he not be blitzing?
must we not be blitzing?
must you not be blitzing?
must they not be blitzing? 	must I not have blitzed?
must you not have blitzed?
must he not have blitzed?
must we not have blitzed?
must you not have blitzed?
must they not have blitzed? 	must I not have been blitzing?
must you not have been blitzing?
must he not have been blitzing?
must we not have been blitzing?
must you not have been blitzing?
must they not have been blitzing?