English verb conjugation
OUGHT TO STRAITEN

Regular verb: straiten - straitened - straitened

Affirmation

Simple form	V-ing form
I ought to straiten you ought to straiten he ought to straiten we ought to straiten you ought to straiten they ought to straiten	I ought to be straitening you ought to be straitening he ought to be straitening we ought to be straitening you ought to be straitening they ought to be straitening
Perfect	V-ing perfect
I ought to have straitened you ought to have straitened he ought to have straitened we ought to have straitened you ought to have straitened they ought to have straitened	I ought to have been straitening you ought to have been straitening he ought to have been straitening we ought to have been straitening you ought to have been straitening they ought to have been straitening

Negation

Simple form	V-ing form
I oughtn't to straiten you oughtn't to straiten he oughtn't to straiten we oughtn't to straiten you oughtn't to straiten they oughtn't to straiten	I oughtn't to be straitening you oughtn't to be straitening he oughtn't to be straitening we oughtn't to be straitening you oughtn't to be straitening they oughtn't to be straitening
Perfect	V-ing perfect
I oughtn't to have straitened you oughtn't to have straitened he oughtn't to have straitened we oughtn't to have straitened you oughtn't to have straitened they oughtn't to have straitened	I oughtn't to have been straitening you oughtn't to have been straitening he oughtn't to have been straitening we oughtn't to have been straitening you oughtn't to have been straitening they oughtn't to have been straitening

Interrogative form

Simple form	V-ing form
ought to I straiten? ought to you straiten? ought to he straiten? ought to we straiten? ought to you straiten? ought to they straiten?	ought to I be straitening? ought to you be straitening? ought to he be straitening? ought to we be straitening? ought to you be straitening? ought to they be straitening?
Perfect	V-ing perfect
ought to I have straitened? ought to you have straitened? ought to he have straitened? ought to we have straitened? ought to you have straitened? ought to they have straitened?	ought to I have been straitening? ought to you have been straitening? ought to he have been straitening? ought to we have been straitening? ought to you have been straitening? ought to they have been straitening?

Interro-negative form

Simple form	V-ing form
oughtn't I to straiten? oughtn't you to straiten? oughtn't he to straiten? oughtn't we to straiten? oughtn't you to straiten? oughtn't they to straiten?	oughtn't I to be straitening? oughtn't you to be straitening? oughtn't he to be straitening? oughtn't we to be straitening? oughtn't you to be straitening? oughtn't they to be straitening?
Perfect	V-ing perfect
oughtn't I to have straitened? oughtn't you to have straitened? oughtn't he to have straitened? oughtn't we to have straitened? oughtn't you to have straitened? oughtn't they to have straitened?	oughtn't I to have been straitening? oughtn't you to have been straitening? oughtn't he to have been straitening? oughtn't we to have been straitening? oughtn't you to have been straitening? oughtn't they to have been straitening?