English verb conjugation
OUGHT TO PREFURNISH

Regular verb: prefurnish - prefurnished - prefurnished

Affirmation

Simple form	V-ing form
I ought to prefurnish you ought to prefurnish he ought to prefurnish we ought to prefurnish you ought to prefurnish they ought to prefurnish	I ought to be prefurnishing you ought to be prefurnishing he ought to be prefurnishing we ought to be prefurnishing you ought to be prefurnishing they ought to be prefurnishing
Perfect	V-ing perfect
I ought to have prefurnished you ought to have prefurnished he ought to have prefurnished we ought to have prefurnished you ought to have prefurnished they ought to have prefurnished	I ought to have been prefurnishing you ought to have been prefurnishing he ought to have been prefurnishing we ought to have been prefurnishing you ought to have been prefurnishing they ought to have been prefurnishing

Negation

Simple form	V-ing form
I oughtn't to prefurnish you oughtn't to prefurnish he oughtn't to prefurnish we oughtn't to prefurnish you oughtn't to prefurnish they oughtn't to prefurnish	I oughtn't to be prefurnishing you oughtn't to be prefurnishing he oughtn't to be prefurnishing we oughtn't to be prefurnishing you oughtn't to be prefurnishing they oughtn't to be prefurnishing
Perfect	V-ing perfect
I oughtn't to have prefurnished you oughtn't to have prefurnished he oughtn't to have prefurnished we oughtn't to have prefurnished you oughtn't to have prefurnished they oughtn't to have prefurnished	I oughtn't to have been prefurnishing you oughtn't to have been prefurnishing he oughtn't to have been prefurnishing we oughtn't to have been prefurnishing you oughtn't to have been prefurnishing they oughtn't to have been prefurnishing

Interrogative form

Simple form	V-ing form
ought to I prefurnish? ought to you prefurnish? ought to he prefurnish? ought to we prefurnish? ought to you prefurnish? ought to they prefurnish?	ought to I be prefurnishing? ought to you be prefurnishing? ought to he be prefurnishing? ought to we be prefurnishing? ought to you be prefurnishing? ought to they be prefurnishing?
Perfect	V-ing perfect
ought to I have prefurnished? ought to you have prefurnished? ought to he have prefurnished? ought to we have prefurnished? ought to you have prefurnished? ought to they have prefurnished?	ought to I have been prefurnishing? ought to you have been prefurnishing? ought to he have been prefurnishing? ought to we have been prefurnishing? ought to you have been prefurnishing? ought to they have been prefurnishing?

Interro-negative form

Simple form	V-ing form
oughtn't I to prefurnish? oughtn't you to prefurnish? oughtn't he to prefurnish? oughtn't we to prefurnish? oughtn't you to prefurnish? oughtn't they to prefurnish?	oughtn't I to be prefurnishing? oughtn't you to be prefurnishing? oughtn't he to be prefurnishing? oughtn't we to be prefurnishing? oughtn't you to be prefurnishing? oughtn't they to be prefurnishing?
Perfect	V-ing perfect
oughtn't I to have prefurnished? oughtn't you to have prefurnished? oughtn't he to have prefurnished? oughtn't we to have prefurnished? oughtn't you to have prefurnished? oughtn't they to have prefurnished?	oughtn't I to have been prefurnishing? oughtn't you to have been prefurnishing? oughtn't he to have been prefurnishing? oughtn't we to have been prefurnishing? oughtn't you to have been prefurnishing? oughtn't they to have been prefurnishing?