English verb conjugation
CAN BARNSTORM

Regular verb: barnstorm - barnstormed - barnstormed

Affirmation

Simple form	V-ing form
I can barnstorm you can barnstorm she can barnstorm we can barnstorm you can barnstorm they can barnstorm	I can be barnstorming you can be barnstorming she can be barnstorming we can be barnstorming you can be barnstorming they can be barnstorming
Perfect	V-ing perfect
I can have barnstormed you can have barnstormed she can have barnstormed we can have barnstormed you can have barnstormed they can have barnstormed	I can have been barnstorming you can have been barnstorming she can have been barnstorming we can have been barnstorming you can have been barnstorming they can have been barnstorming

Negation

Simple form	V-ing form
I can't barnstorm you can't barnstorm she can't barnstorm we can't barnstorm you can't barnstorm they can't barnstorm	I can't be barnstorming you can't be barnstorming she can't be barnstorming we can't be barnstorming you can't be barnstorming they can't be barnstorming
Perfect	V-ing perfect
I can't have barnstormed you can't have barnstormed she can't have barnstormed we can't have barnstormed you can't have barnstormed they can't have barnstormed	I can't have been barnstorming you can't have been barnstorming she can't have been barnstorming we can't have been barnstorming you can't have been barnstorming they can't have been barnstorming

Interrogative form

Simple form	V-ing form
can I barnstorm? can you barnstorm? can she barnstorm? can we barnstorm? can you barnstorm? can they barnstorm?	can I be barnstorming? can you be barnstorming? can she be barnstorming? can we be barnstorming? can you be barnstorming? can they be barnstorming?
Perfect	V-ing perfect
can I have barnstormed? can you have barnstormed? can she have barnstormed? can we have barnstormed? can you have barnstormed? can they have barnstormed?	can I have been barnstorming? can you have been barnstorming? can she have been barnstorming? can we have been barnstorming? can you have been barnstorming? can they have been barnstorming?

Interro-negative form

Simple form	V-ing form
can't I barnstorm? can't you barnstorm? can't she barnstorm? can't we barnstorm? can't you barnstorm? can't they barnstorm?	can't I be barnstorming? can't you be barnstorming? can't she be barnstorming? can't we be barnstorming? can't you be barnstorming? can't they be barnstorming?
Perfect	V-ing perfect
can't I have barnstormed? can't you have barnstormed? can't she have barnstormed? can't we have barnstormed? can't you have barnstormed? can't they have barnstormed?	can't I have been barnstorming? can't you have been barnstorming? can't she have been barnstorming? can't we have been barnstorming? can't you have been barnstorming? can't they have been barnstorming?