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