English verb conjugation
OUGHT TO HARKEN

Regular verb: harken - harkened - harkened

Affirmation

Simple form	V-ing form
I ought to harken you ought to harken she ought to harken we ought to harken you ought to harken they ought to harken	I ought to be harkening you ought to be harkening she ought to be harkening we ought to be harkening you ought to be harkening they ought to be harkening
Perfect	V-ing perfect
I ought to have harkened you ought to have harkened she ought to have harkened we ought to have harkened you ought to have harkened they ought to have harkened	I ought to have been harkening you ought to have been harkening she ought to have been harkening we ought to have been harkening you ought to have been harkening they ought to have been harkening

Negation

Simple form	V-ing form
I oughtn't to harken you oughtn't to harken she oughtn't to harken we oughtn't to harken you oughtn't to harken they oughtn't to harken	I oughtn't to be harkening you oughtn't to be harkening she oughtn't to be harkening we oughtn't to be harkening you oughtn't to be harkening they oughtn't to be harkening
Perfect	V-ing perfect
I oughtn't to have harkened you oughtn't to have harkened she oughtn't to have harkened we oughtn't to have harkened you oughtn't to have harkened they oughtn't to have harkened	I oughtn't to have been harkening you oughtn't to have been harkening she oughtn't to have been harkening we oughtn't to have been harkening you oughtn't to have been harkening they oughtn't to have been harkening

Interrogative form

Simple form	V-ing form
ought to I harken? ought to you harken? ought to she harken? ought to we harken? ought to you harken? ought to they harken?	ought to I be harkening? ought to you be harkening? ought to she be harkening? ought to we be harkening? ought to you be harkening? ought to they be harkening?
Perfect	V-ing perfect
ought to I have harkened? ought to you have harkened? ought to she have harkened? ought to we have harkened? ought to you have harkened? ought to they have harkened?	ought to I have been harkening? ought to you have been harkening? ought to she have been harkening? ought to we have been harkening? ought to you have been harkening? ought to they have been harkening?

Interro-negative form

Simple form	V-ing form
oughtn't I to harken? oughtn't you to harken? oughtn't she to harken? oughtn't we to harken? oughtn't you to harken? oughtn't they to harken?	oughtn't I to be harkening? oughtn't you to be harkening? oughtn't she to be harkening? oughtn't we to be harkening? oughtn't you to be harkening? oughtn't they to be harkening?
Perfect	V-ing perfect
oughtn't I to have harkened? oughtn't you to have harkened? oughtn't she to have harkened? oughtn't we to have harkened? oughtn't you to have harkened? oughtn't they to have harkened?	oughtn't I to have been harkening? oughtn't you to have been harkening? oughtn't she to have been harkening? oughtn't we to have been harkening? oughtn't you to have been harkening? oughtn't they to have been harkening?