English verb conjugation
OUGHT TO RETIGHTEN

Regular verb: retighten - retightened - retightened

Affirmation

Simple form	V-ing form
I ought to retighten you ought to retighten he ought to retighten we ought to retighten you ought to retighten they ought to retighten	I ought to be retightening you ought to be retightening he ought to be retightening we ought to be retightening you ought to be retightening they ought to be retightening
Perfect	V-ing perfect
I ought to have retightened you ought to have retightened he ought to have retightened we ought to have retightened you ought to have retightened they ought to have retightened	I ought to have been retightening you ought to have been retightening he ought to have been retightening we ought to have been retightening you ought to have been retightening they ought to have been retightening

Negation

Simple form	V-ing form
I oughtn't to retighten you oughtn't to retighten he oughtn't to retighten we oughtn't to retighten you oughtn't to retighten they oughtn't to retighten	I oughtn't to be retightening you oughtn't to be retightening he oughtn't to be retightening we oughtn't to be retightening you oughtn't to be retightening they oughtn't to be retightening
Perfect	V-ing perfect
I oughtn't to have retightened you oughtn't to have retightened he oughtn't to have retightened we oughtn't to have retightened you oughtn't to have retightened they oughtn't to have retightened	I oughtn't to have been retightening you oughtn't to have been retightening he oughtn't to have been retightening we oughtn't to have been retightening you oughtn't to have been retightening they oughtn't to have been retightening

Interrogative form

Simple form	V-ing form
ought to I retighten? ought to you retighten? ought to he retighten? ought to we retighten? ought to you retighten? ought to they retighten?	ought to I be retightening? ought to you be retightening? ought to he be retightening? ought to we be retightening? ought to you be retightening? ought to they be retightening?
Perfect	V-ing perfect
ought to I have retightened? ought to you have retightened? ought to he have retightened? ought to we have retightened? ought to you have retightened? ought to they have retightened?	ought to I have been retightening? ought to you have been retightening? ought to he have been retightening? ought to we have been retightening? ought to you have been retightening? ought to they have been retightening?

Interro-negative form

Simple form	V-ing form
oughtn't I to retighten? oughtn't you to retighten? oughtn't he to retighten? oughtn't we to retighten? oughtn't you to retighten? oughtn't they to retighten?	oughtn't I to be retightening? oughtn't you to be retightening? oughtn't he to be retightening? oughtn't we to be retightening? oughtn't you to be retightening? oughtn't they to be retightening?
Perfect	V-ing perfect
oughtn't I to have retightened? oughtn't you to have retightened? oughtn't he to have retightened? oughtn't we to have retightened? oughtn't you to have retightened? oughtn't they to have retightened?	oughtn't I to have been retightening? oughtn't you to have been retightening? oughtn't he to have been retightening? oughtn't we to have been retightening? oughtn't you to have been retightening? oughtn't they to have been retightening?