English verb conjugation
CAN AUCTION

Regular verb: auction - auctioned - auctioned

Affirmation

Simple form	V-ing form
I can auction you can auction he can auction we can auction you can auction they can auction	I can be auctioning you can be auctioning he can be auctioning we can be auctioning you can be auctioning they can be auctioning
Perfect	V-ing perfect
I can have auctioned you can have auctioned he can have auctioned we can have auctioned you can have auctioned they can have auctioned	I can have been auctioning you can have been auctioning he can have been auctioning we can have been auctioning you can have been auctioning they can have been auctioning

Negation

Simple form	V-ing form
I can't auction you can't auction he can't auction we can't auction you can't auction they can't auction	I can't be auctioning you can't be auctioning he can't be auctioning we can't be auctioning you can't be auctioning they can't be auctioning
Perfect	V-ing perfect
I can't have auctioned you can't have auctioned he can't have auctioned we can't have auctioned you can't have auctioned they can't have auctioned	I can't have been auctioning you can't have been auctioning he can't have been auctioning we can't have been auctioning you can't have been auctioning they can't have been auctioning

Interrogative form

Simple form	V-ing form
can I auction? can you auction? can he auction? can we auction? can you auction? can they auction?	can I be auctioning? can you be auctioning? can he be auctioning? can we be auctioning? can you be auctioning? can they be auctioning?
Perfect	V-ing perfect
can I have auctioned? can you have auctioned? can he have auctioned? can we have auctioned? can you have auctioned? can they have auctioned?	can I have been auctioning? can you have been auctioning? can he have been auctioning? can we have been auctioning? can you have been auctioning? can they have been auctioning?

Interro-negative form

Simple form	V-ing form
can't I auction? can't you auction? can't he auction? can't we auction? can't you auction? can't they auction?	can't I be auctioning? can't you be auctioning? can't he be auctioning? can't we be auctioning? can't you be auctioning? can't they be auctioning?
Perfect	V-ing perfect
can't I have auctioned? can't you have auctioned? can't he have auctioned? can't we have auctioned? can't you have auctioned? can't they have auctioned?	can't I have been auctioning? can't you have been auctioning? can't he have been auctioning? can't we have been auctioning? can't you have been auctioning? can't they have been auctioning?