English verb conjugation
CAN BANG

Regular verb: bang - banged - banged

Affirmation

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