should auction
Regular verb: auction - auctioned- auctioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd auction
you'd auction
he'd auction
we'd auction
you'd auction
they'd auction 	I'd be auctioning
you'd be auctioning
he'd be auctioning
we'd be auctioning
you'd be auctioning
they'd be auctioning	I should've auctioned
you should've auctioned
he should've auctioned
we should've auctioned
you should've auctioned
they should've auctioned	I should've been auctioning
you should've been auctioning
he should've been auctioning
we should've been auctioning
you should've been auctioning
they should've been auctioning	

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

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

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