English verb conjugation
MUST AUCTION

Regular verb: auction - auctioned - auctioned

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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