must bang
Verbo regular: bang - banged- banged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must bang
you must bang
he must bang
we must bang
you must bang
they must bang 	I must be banging
you must be banging
he must be banging
we must be banging
you must be banging
they must be banging	I must have banged
you must have banged
he must have banged
we must have banged
you must have banged
they must have banged	I must have been banging
you must have been banging
he must have been banging
we must have been banging
you must have been banging
they must have been banging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't bang
you mustn't bang
he mustn't bang
we mustn't bang
you mustn't bang
they mustn't bang 	I mustn't be banging
you mustn't be banging
he mustn't be banging
we mustn't be banging
you mustn't be banging
they mustn't be banging	I mustn't have banged
you mustn't have banged
he mustn't have banged
we mustn't have banged
you mustn't have banged
they mustn't have banged	I mustn't have been banging
you mustn't have been banging
he mustn't have been banging
we mustn't have been banging
you mustn't have been banging
they mustn't have been banging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I bang?
must you bang?
must he bang?
must we bang?
must you bang?
must they bang? 	must I be banging?
must you be banging?
must he be banging?
must we be banging?
must you be banging?
must they be banging? 	must I have banged?
must you have banged?
must he have banged?
must we have banged?
must you have banged?
must they have banged? 	must I have been banging?
must you have been banging?
must he have been banging?
must we have been banging?
must you have been banging?
must they have been banging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I bang?
mustn't you bang?
mustn't he bang?
mustn't we bang?
mustn't you bang?
mustn't they bang? 	mustn't I be banging?
mustn't you be banging?
mustn't he be banging?
mustn't we be banging?
mustn't you be banging?
mustn't they be banging? 	mustn't I have banged?
mustn't you have banged?
mustn't he have banged?
mustn't we have banged?
mustn't you have banged?
mustn't they have banged? 	mustn't I have been banging?
mustn't you have been banging?
mustn't he have been banging?
mustn't we have been banging?
mustn't you have been banging?
mustn't they have been banging?