English verb conjugation
OUGHT TO UNDERFURNISH

Regular verb: underfurnish - underfurnished - underfurnished

Affirmation

Simple form	V-ing form
I ought to underfurnish you ought to underfurnish she ought to underfurnish we ought to underfurnish you ought to underfurnish they ought to underfurnish	I ought to be underfurnishing you ought to be underfurnishing she ought to be underfurnishing we ought to be underfurnishing you ought to be underfurnishing they ought to be underfurnishing
Perfect	V-ing perfect
I ought to have underfurnished you ought to have underfurnished she ought to have underfurnished we ought to have underfurnished you ought to have underfurnished they ought to have underfurnished	I ought to have been underfurnishing you ought to have been underfurnishing she ought to have been underfurnishing we ought to have been underfurnishing you ought to have been underfurnishing they ought to have been underfurnishing

Negation

Simple form	V-ing form
I oughtn't to underfurnish you oughtn't to underfurnish she oughtn't to underfurnish we oughtn't to underfurnish you oughtn't to underfurnish they oughtn't to underfurnish	I oughtn't to be underfurnishing you oughtn't to be underfurnishing she oughtn't to be underfurnishing we oughtn't to be underfurnishing you oughtn't to be underfurnishing they oughtn't to be underfurnishing
Perfect	V-ing perfect
I oughtn't to have underfurnished you oughtn't to have underfurnished she oughtn't to have underfurnished we oughtn't to have underfurnished you oughtn't to have underfurnished they oughtn't to have underfurnished	I oughtn't to have been underfurnishing you oughtn't to have been underfurnishing she oughtn't to have been underfurnishing we oughtn't to have been underfurnishing you oughtn't to have been underfurnishing they oughtn't to have been underfurnishing

Interrogative form

Simple form	V-ing form
ought to I underfurnish? ought to you underfurnish? ought to she underfurnish? ought to we underfurnish? ought to you underfurnish? ought to they underfurnish?	ought to I be underfurnishing? ought to you be underfurnishing? ought to she be underfurnishing? ought to we be underfurnishing? ought to you be underfurnishing? ought to they be underfurnishing?
Perfect	V-ing perfect
ought to I have underfurnished? ought to you have underfurnished? ought to she have underfurnished? ought to we have underfurnished? ought to you have underfurnished? ought to they have underfurnished?	ought to I have been underfurnishing? ought to you have been underfurnishing? ought to she have been underfurnishing? ought to we have been underfurnishing? ought to you have been underfurnishing? ought to they have been underfurnishing?

Interro-negative form

Simple form	V-ing form
oughtn't I to underfurnish? oughtn't you to underfurnish? oughtn't she to underfurnish? oughtn't we to underfurnish? oughtn't you to underfurnish? oughtn't they to underfurnish?	oughtn't I to be underfurnishing? oughtn't you to be underfurnishing? oughtn't she to be underfurnishing? oughtn't we to be underfurnishing? oughtn't you to be underfurnishing? oughtn't they to be underfurnishing?
Perfect	V-ing perfect
oughtn't I to have underfurnished? oughtn't you to have underfurnished? oughtn't she to have underfurnished? oughtn't we to have underfurnished? oughtn't you to have underfurnished? oughtn't they to have underfurnished?	oughtn't I to have been underfurnishing? oughtn't you to have been underfurnishing? oughtn't she to have been underfurnishing? oughtn't we to have been underfurnishing? oughtn't you to have been underfurnishing? oughtn't they to have been underfurnishing?