ought to disconfirm
Regular verb: disconfirm - disconfirmed- disconfirmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to disconfirm
you ought to disconfirm
he ought to disconfirm
we ought to disconfirm
you ought to disconfirm
they ought to disconfirm 	I ought to be disconfirming
you ought to be disconfirming
he ought to be disconfirming
we ought to be disconfirming
you ought to be disconfirming
they ought to be disconfirming	I ought to have disconfirmed
you ought to have disconfirmed
he ought to have disconfirmed
we ought to have disconfirmed
you ought to have disconfirmed
they ought to have disconfirmed	I ought to have been disconfirming
you ought to have been disconfirming
he ought to have been disconfirming
we ought to have been disconfirming
you ought to have been disconfirming
they ought to have been disconfirming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to disconfirm
you ought not to disconfirm
he ought not to disconfirm
we ought not to disconfirm
you ought not to disconfirm
they ought not to disconfirm 	I ought not to disconfirming
you ought not to disconfirming
he ought not to disconfirming
we ought not to disconfirming
you ought not to disconfirming
they ought not to disconfirming	I ought not to have disconfirmed
you ought not to have disconfirmed
he ought not to have disconfirmed
we ought not to have disconfirmed
you ought not to have disconfirmed
they ought not to have disconfirmed	I ought not to have been disconfirming
you ought not to have been disconfirming
he ought not to have been disconfirming
we ought not to have been disconfirming
you ought not to have been disconfirming
they ought not to have been disconfirming	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to disconfirm?
ought you not to disconfirm?
ought he not to disconfirm?
ought we not to disconfirm?
ought you not to disconfirm?
ought they not to disconfirm? 	ought I not to be disconfirming?
ought you not to be disconfirming?
ought he not to be disconfirming?
ought we not to be disconfirming?
ought you not to be disconfirming?
ought they not to be disconfirming? 	ought I not to have disconfirmed?
ought you not to have disconfirmed?
ought he not to have disconfirmed?
ought we not to have disconfirmed?
ought you not to have disconfirmed?
ought they not to have disconfirmed? 	ought I not to have been disconfirming?
ought you not to have been disconfirming?
ought he not to have been disconfirming?
ought we not to have been disconfirming?
ought you not to have been disconfirming?
ought they not to have been disconfirming?