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