English verb conjugation
OUGHT TO YACK

Regular verb: yack - yacked - yacked

Affirmation

Simple form	V-ing form
I ought to yack you ought to yack she ought to yack we ought to yack you ought to yack they ought to yack	I ought to be yacking you ought to be yacking she ought to be yacking we ought to be yacking you ought to be yacking they ought to be yacking
Perfect	V-ing perfect
I ought to have yacked you ought to have yacked she ought to have yacked we ought to have yacked you ought to have yacked they ought to have yacked	I ought to have been yacking you ought to have been yacking she ought to have been yacking we ought to have been yacking you ought to have been yacking they ought to have been yacking

Negation

Simple form	V-ing form
I oughtn't to yack you oughtn't to yack she oughtn't to yack we oughtn't to yack you oughtn't to yack they oughtn't to yack	I oughtn't to be yacking you oughtn't to be yacking she oughtn't to be yacking we oughtn't to be yacking you oughtn't to be yacking they oughtn't to be yacking
Perfect	V-ing perfect
I oughtn't to have yacked you oughtn't to have yacked she oughtn't to have yacked we oughtn't to have yacked you oughtn't to have yacked they oughtn't to have yacked	I oughtn't to have been yacking you oughtn't to have been yacking she oughtn't to have been yacking we oughtn't to have been yacking you oughtn't to have been yacking they oughtn't to have been yacking

Interrogative form

Simple form	V-ing form
ought to I yack? ought to you yack? ought to she yack? ought to we yack? ought to you yack? ought to they yack?	ought to I be yacking? ought to you be yacking? ought to she be yacking? ought to we be yacking? ought to you be yacking? ought to they be yacking?
Perfect	V-ing perfect
ought to I have yacked? ought to you have yacked? ought to she have yacked? ought to we have yacked? ought to you have yacked? ought to they have yacked?	ought to I have been yacking? ought to you have been yacking? ought to she have been yacking? ought to we have been yacking? ought to you have been yacking? ought to they have been yacking?

Interro-negative form

Simple form	V-ing form
oughtn't I to yack? oughtn't you to yack? oughtn't she to yack? oughtn't we to yack? oughtn't you to yack? oughtn't they to yack?	oughtn't I to be yacking? oughtn't you to be yacking? oughtn't she to be yacking? oughtn't we to be yacking? oughtn't you to be yacking? oughtn't they to be yacking?
Perfect	V-ing perfect
oughtn't I to have yacked? oughtn't you to have yacked? oughtn't she to have yacked? oughtn't we to have yacked? oughtn't you to have yacked? oughtn't they to have yacked?	oughtn't I to have been yacking? oughtn't you to have been yacking? oughtn't she to have been yacking? oughtn't we to have been yacking? oughtn't you to have been yacking? oughtn't they to have been yacking?