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 can't bang you can't bang he can't bang we can't bang you can't bang they can't bang	I can't be banging you can't be banging he can't be banging we can't be banging you can't be banging they can't be banging
Perfect	V-ing perfect
I can't have banged you can't have banged he can't have banged we can't have banged you can't have banged they can't have banged	I can't have been banging you can't have been banging he can't have been banging we can't have been banging you can't have been banging they can't 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't I bang? can't you bang? can't he bang? can't we bang? can't you bang? can't they bang?	can't I be banging? can't you be banging? can't he be banging? can't we be banging? can't you be banging? can't they be banging?
Perfect	V-ing perfect
can't I have banged? can't you have banged? can't he have banged? can't we have banged? can't you have banged? can't they have banged?	can't I have been banging? can't you have been banging? can't he have been banging? can't we have been banging? can't you have been banging? can't they have been banging?