English verb conjugation
OUGHT TO TACK

Regular verb: tack - tacked - tacked

Affirmation

Simple form	V-ing form
I ought to tack you ought to tack he ought to tack we ought to tack you ought to tack they ought to tack	I ought to be tacking you ought to be tacking he ought to be tacking we ought to be tacking you ought to be tacking they ought to be tacking
Perfect	V-ing perfect
I ought to have tacked you ought to have tacked he ought to have tacked we ought to have tacked you ought to have tacked they ought to have tacked	I ought to have been tacking you ought to have been tacking he ought to have been tacking we ought to have been tacking you ought to have been tacking they ought to have been tacking

Negation

Simple form	V-ing form
I oughtn't to tack you oughtn't to tack he oughtn't to tack we oughtn't to tack you oughtn't to tack they oughtn't to tack	I oughtn't to be tacking you oughtn't to be tacking he oughtn't to be tacking we oughtn't to be tacking you oughtn't to be tacking they oughtn't to be tacking
Perfect	V-ing perfect
I oughtn't to have tacked you oughtn't to have tacked he oughtn't to have tacked we oughtn't to have tacked you oughtn't to have tacked they oughtn't to have tacked	I oughtn't to have been tacking you oughtn't to have been tacking he oughtn't to have been tacking we oughtn't to have been tacking you oughtn't to have been tacking they oughtn't to have been tacking

Interrogative form

Simple form	V-ing form
ought to I tack? ought to you tack? ought to he tack? ought to we tack? ought to you tack? ought to they tack?	ought to I be tacking? ought to you be tacking? ought to he be tacking? ought to we be tacking? ought to you be tacking? ought to they be tacking?
Perfect	V-ing perfect
ought to I have tacked? ought to you have tacked? ought to he have tacked? ought to we have tacked? ought to you have tacked? ought to they have tacked?	ought to I have been tacking? ought to you have been tacking? ought to he have been tacking? ought to we have been tacking? ought to you have been tacking? ought to they have been tacking?

Interro-negative form

Simple form	V-ing form
oughtn't I to tack? oughtn't you to tack? oughtn't he to tack? oughtn't we to tack? oughtn't you to tack? oughtn't they to tack?	oughtn't I to be tacking? oughtn't you to be tacking? oughtn't he to be tacking? oughtn't we to be tacking? oughtn't you to be tacking? oughtn't they to be tacking?
Perfect	V-ing perfect
oughtn't I to have tacked? oughtn't you to have tacked? oughtn't he to have tacked? oughtn't we to have tacked? oughtn't you to have tacked? oughtn't they to have tacked?	oughtn't I to have been tacking? oughtn't you to have been tacking? oughtn't he to have been tacking? oughtn't we to have been tacking? oughtn't you to have been tacking? oughtn't they to have been tacking?