I ought to whiten you ought to whiten he ought to whiten we ought to whiten you ought to whiten they ought to whiten
V-ing form
I ought to be whitening you ought to be whitening he ought to be whitening we ought to be whitening you ought to be whitening they ought to be whitening
Perfect
I ought to have whitened you ought to have whitened he ought to have whitened we ought to have whitened you ought to have whitened they ought to have whitened
V-ing perfect
I ought to have been whitening you ought to have been whitening he ought to have been whitening we ought to have been whitening you ought to have been whitening they ought to have been whitening
Negation
Simple form
I oughtn't to whiten you oughtn't to whiten he oughtn't to whiten we oughtn't to whiten you oughtn't to whiten they oughtn't to whiten
V-ing form
I oughtn't to be whitening you oughtn't to be whitening he oughtn't to be whitening we oughtn't to be whitening you oughtn't to be whitening they oughtn't to be whitening
Perfect
I oughtn't to have whitened you oughtn't to have whitened he oughtn't to have whitened we oughtn't to have whitened you oughtn't to have whitened they oughtn't to have whitened
V-ing perfect
I oughtn't to have been whitening you oughtn't to have been whitening he oughtn't to have been whitening we oughtn't to have been whitening you oughtn't to have been whitening they oughtn't to have been whitening
Interrogative form
Simple form
ought to I whiten? ought to you whiten? ought to he whiten? ought to we whiten? ought to you whiten? ought to they whiten?
V-ing form
ought to I be whitening? ought to you be whitening? ought to he be whitening? ought to we be whitening? ought to you be whitening? ought to they be whitening?
Perfect
ought to I have whitened? ought to you have whitened? ought to he have whitened? ought to we have whitened? ought to you have whitened? ought to they have whitened?
V-ing perfect
ought to I have been whitening? ought to you have been whitening? ought to he have been whitening? ought to we have been whitening? ought to you have been whitening? ought to they have been whitening?
Interro-negative form
Simple form
oughtn't I to whiten? oughtn't you to whiten? oughtn't he to whiten? oughtn't we to whiten? oughtn't you to whiten? oughtn't they to whiten?
V-ing form
oughtn't I to be whitening? oughtn't you to be whitening? oughtn't he to be whitening? oughtn't we to be whitening? oughtn't you to be whitening? oughtn't they to be whitening?
Perfect
oughtn't I to have whitened? oughtn't you to have whitened? oughtn't he to have whitened? oughtn't we to have whitened? oughtn't you to have whitened? oughtn't they to have whitened?
V-ing perfect
oughtn't I to have been whitening? oughtn't you to have been whitening? oughtn't he to have been whitening? oughtn't we to have been whitening? oughtn't you to have been whitening? oughtn't they to have been whitening?