I ought to refer you ought to refer he ought to refer we ought to refer you ought to refer they ought to refer
V-ing form
I ought to be referring you ought to be referring he ought to be referring we ought to be referring you ought to be referring they ought to be referring
Perfect
I ought to have referred you ought to have referred he ought to have referred we ought to have referred you ought to have referred they ought to have referred
V-ing perfect
I ought to have been referring you ought to have been referring he ought to have been referring we ought to have been referring you ought to have been referring they ought to have been referring
Negation
Simple form
I ought not to refer you ought not to refer he ought not to refer we ought not to refer you ought not to refer they ought not to refer
V-ing form
I ought not to referring you ought not to referring he ought not to referring we ought not to referring you ought not to referring they ought not to referring
Perfect
I ought not to have referred you ought not to have referred he ought not to have referred we ought not to have referred you ought not to have referred they ought not to have referred
V-ing perfect
I ought not to have been referring you ought not to have been referring he ought not to have been referring we ought not to have been referring you ought not to have been referring they ought not to have been referring
Interrogative form
Simple form
ought to I refer? ought to you refer? ought to he refer? ought to we refer? ought to you refer? ought to they refer?
V-ing form
ought to I be referring? ought to you be referring? ought to he be referring? ought to we be referring? ought to you be referring? ought to they be referring?
Perfect
ought to I have referred? ought to you have referred? ought to he have referred? ought to we have referred? ought to you have referred? ought to they have referred?
V-ing perfect
ought to I have been referring? ought to you have been referring? ought to he have been referring? ought to we have been referring? ought to you have been referring? ought to they have been referring?
Interro-negative form
Simple form
ought I not to refer? ought you not to refer? ought he not to refer? ought we not to refer? ought you not to refer? ought they not to refer?
V-ing form
ought I not to be referring? ought you not to be referring? ought he not to be referring? ought we not to be referring? ought you not to be referring? ought they not to be referring?
Perfect
ought I not to have referred? ought you not to have referred? ought he not to have referred? ought we not to have referred? ought you not to have referred? ought they not to have referred?
V-ing perfect
ought I not to have been referring? ought you not to have been referring? ought he not to have been referring? ought we not to have been referring? ought you not to have been referring? ought they not to have been referring?