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