English verb conjugation
OUGHT TO FURNISH

Regular verb: furnish - furnished - furnished

Affirmation

Simple form	V-ing form
I ought to furnish you ought to furnish she ought to furnish we ought to furnish you ought to furnish they ought to furnish	I ought to be furnishing you ought to be furnishing she ought to be furnishing we ought to be furnishing you ought to be furnishing they ought to be furnishing
Perfect	V-ing perfect
I ought to have furnished you ought to have furnished she ought to have furnished we ought to have furnished you ought to have furnished they ought to have furnished	I ought to have been furnishing you ought to have been furnishing she ought to have been furnishing we ought to have been furnishing you ought to have been furnishing they ought to have been furnishing

Negation

Simple form	V-ing form
I oughtn't to furnish you oughtn't to furnish she oughtn't to furnish we oughtn't to furnish you oughtn't to furnish they oughtn't to furnish	I oughtn't to be furnishing you oughtn't to be furnishing she oughtn't to be furnishing we oughtn't to be furnishing you oughtn't to be furnishing they oughtn't to be furnishing
Perfect	V-ing perfect
I oughtn't to have furnished you oughtn't to have furnished she oughtn't to have furnished we oughtn't to have furnished you oughtn't to have furnished they oughtn't to have furnished	I oughtn't to have been furnishing you oughtn't to have been furnishing she oughtn't to have been furnishing we oughtn't to have been furnishing you oughtn't to have been furnishing they oughtn't to have been furnishing

Interrogative form

Simple form	V-ing form
ought to I furnish? ought to you furnish? ought to she furnish? ought to we furnish? ought to you furnish? ought to they furnish?	ought to I be furnishing? ought to you be furnishing? ought to she be furnishing? ought to we be furnishing? ought to you be furnishing? ought to they be furnishing?
Perfect	V-ing perfect
ought to I have furnished? ought to you have furnished? ought to she have furnished? ought to we have furnished? ought to you have furnished? ought to they have furnished?	ought to I have been furnishing? ought to you have been furnishing? ought to she have been furnishing? ought to we have been furnishing? ought to you have been furnishing? ought to they have been furnishing?

Interro-negative form

Simple form	V-ing form
oughtn't I to furnish? oughtn't you to furnish? oughtn't she to furnish? oughtn't we to furnish? oughtn't you to furnish? oughtn't they to furnish?	oughtn't I to be furnishing? oughtn't you to be furnishing? oughtn't she to be furnishing? oughtn't we to be furnishing? oughtn't you to be furnishing? oughtn't they to be furnishing?
Perfect	V-ing perfect
oughtn't I to have furnished? oughtn't you to have furnished? oughtn't she to have furnished? oughtn't we to have furnished? oughtn't you to have furnished? oughtn't they to have furnished?	oughtn't I to have been furnishing? oughtn't you to have been furnishing? oughtn't she to have been furnishing? oughtn't we to have been furnishing? oughtn't you to have been furnishing? oughtn't they to have been furnishing?