English verb conjugation
OUGHT TO REFER

Regular verb: refer - referred - referred

Affirmation

Simple form	V-ing form
I ought to refer you ought to refer he ought to refer we ought to refer you ought to refer they ought to refer	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	V-ing 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	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	V-ing form
I oughtn't to refer you oughtn't to refer he oughtn't to refer we oughtn't to refer you oughtn't to refer they oughtn't to refer	I oughtn't to be referring you oughtn't to be referring he oughtn't to be referring we oughtn't to be referring you oughtn't to be referring they oughtn't to be referring
Perfect	V-ing perfect
I oughtn't to have referred you oughtn't to have referred he oughtn't to have referred we oughtn't to have referred you oughtn't to have referred they oughtn't to have referred	I oughtn't to have been referring you oughtn't to have been referring he oughtn't to have been referring we oughtn't to have been referring you oughtn't to have been referring they oughtn't to have been referring

Interrogative form

Simple form	V-ing 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?	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	V-ing 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?	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	V-ing form
oughtn't I to refer? oughtn't you to refer? oughtn't he to refer? oughtn't we to refer? oughtn't you to refer? oughtn't they to refer?	oughtn't I to be referring? oughtn't you to be referring? oughtn't he to be referring? oughtn't we to be referring? oughtn't you to be referring? oughtn't they to be referring?
Perfect	V-ing perfect
oughtn't I to have referred? oughtn't you to have referred? oughtn't he to have referred? oughtn't we to have referred? oughtn't you to have referred? oughtn't they to have referred?	oughtn't I to have been referring? oughtn't you to have been referring? oughtn't he to have been referring? oughtn't we to have been referring? oughtn't you to have been referring? oughtn't they to have been referring?