can bang
Regular verb: bang - banged- banged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can bang
you can bang
she can bang
we can bang
you can bang
they can bang 	I can be banging
you can be banging
she can be banging
we can be banging
you can be banging
they can be banging	I can have banged
you can have banged
she can have banged
we can have banged
you can have banged
they can have banged	I can have been banging
you can have been banging
she can have been banging
we can have been banging
you can have been banging
they can have been banging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot bang
you cannot bang
she cannot bang
we cannot bang
you cannot bang
they cannot bang 	I cannot be banging
you cannot be banging
she cannot be banging
we cannot be banging
you cannot be banging
they cannot be banging	I cannot have banged
you cannot have banged
she cannot have banged
we cannot have banged
you cannot have banged
they cannot have banged	I cannot have been banging
you cannot have been banging
she cannot have been banging
we cannot have been banging
you cannot have been banging
they cannot have been banging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I bang?
can you bang?
can she bang?
can we bang?
can you bang?
can they bang? 	can I be banging?
can you be banging?
can she be banging?
can we be banging?
can you be banging?
can they be banging? 	can I have banged?
can you have banged?
can she have banged?
can we have banged?
can you have banged?
can they have banged? 	can I have been banging?
can you have been banging?
can she have been banging?
can we have been banging?
can you have been banging?
can they have been banging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not bang?
can you not bang?
can she not bang?
can we not bang?
can you not bang?
can they not bang? 	can I not be banging?
can you not be banging?
can she not be banging?
can we not be banging?
can you not be banging?
can they not be banging? 	can I not have banged?
can you not have banged?
can she not have banged?
can we not have banged?
can you not have banged?
can they not have banged? 	can I not have been banging?
can you not have been banging?
can she not have been banging?
can we not have been banging?
can you not have been banging?
can they not have been banging?