should disconfirm
Regular verb: disconfirm - disconfirmed- disconfirmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd disconfirm
you'd disconfirm
he'd disconfirm
we'd disconfirm
you'd disconfirm
they'd disconfirm 	I'd be disconfirming
you'd be disconfirming
he'd be disconfirming
we'd be disconfirming
you'd be disconfirming
they'd be disconfirming	I should've disconfirmed
you should've disconfirmed
he should've disconfirmed
we should've disconfirmed
you should've disconfirmed
they should've disconfirmed	I should've been disconfirming
you should've been disconfirming
he should've been disconfirming
we should've been disconfirming
you should've been disconfirming
they should've been disconfirming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't disconfirm
you shouldn't disconfirm
he shouldn't disconfirm
we shouldn't disconfirm
you shouldn't disconfirm
they shouldn't disconfirm 	I shouldn't be disconfirming
you shouldn't be disconfirming
he shouldn't be disconfirming
we shouldn't be disconfirming
you shouldn't be disconfirming
they shouldn't be disconfirming	I shouldn't have disconfirmed
you shouldn't have disconfirmed
he shouldn't have disconfirmed
we shouldn't have disconfirmed
you shouldn't have disconfirmed
they shouldn't have disconfirmed	I shouldn't have been disconfirming
you shouldn't have been disconfirming
he shouldn't have been disconfirming
we shouldn't have been disconfirming
you shouldn't have been disconfirming
they shouldn't have been disconfirming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I disconfirm?
should you disconfirm?
should he disconfirm?
should we disconfirm?
should you disconfirm?
should they disconfirm? 	should I be disconfirming?
should you be disconfirming?
should he be disconfirming?
should we be disconfirming?
should you be disconfirming?
should they be disconfirming? 	should I have disconfirmed?
should you have disconfirmed?
should he have disconfirmed?
should we have disconfirmed?
should you have disconfirmed?
should they have disconfirmed? 	should I have been disconfirming?
should you have been disconfirming?
should he have been disconfirming?
should we have been disconfirming?
should you have been disconfirming?
should they have been disconfirming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I disconfirm?
shouldn't you disconfirm?
shouldn't he disconfirm?
shouldn't we disconfirm?
shouldn't you disconfirm?
shouldn't they disconfirm? 	shouldn't I be disconfirming?
shouldn't you be disconfirming?
shouldn't he be disconfirming?
shouldn't we be disconfirming?
shouldn't you be disconfirming?
shouldn't they be disconfirming? 	shouldn't I have disconfirmed?
shouldn't you have disconfirmed?
shouldn't he have disconfirmed?
shouldn't we have disconfirmed?
shouldn't you have disconfirmed?
shouldn't they have disconfirmed? 	shouldn't I have been disconfirming?
shouldn't you have been disconfirming?
shouldn't he have been disconfirming?
shouldn't we have been disconfirming?
shouldn't you have been disconfirming?
shouldn't they have been disconfirming?