English verb conjugation
OUGHT TO CHANGE

Regular verb: change - changed - changed

Affirmation

Simple form	V-ing form
I ought to change you ought to change he ought to change we ought to change you ought to change they ought to change	I ought to be changing you ought to be changing he ought to be changing we ought to be changing you ought to be changing they ought to be changing
Perfect	V-ing perfect
I ought to have changed you ought to have changed he ought to have changed we ought to have changed you ought to have changed they ought to have changed	I ought to have been changing you ought to have been changing he ought to have been changing we ought to have been changing you ought to have been changing they ought to have been changing

Negation

Simple form	V-ing form
I oughtn't to change you oughtn't to change he oughtn't to change we oughtn't to change you oughtn't to change they oughtn't to change	I oughtn't to be changing you oughtn't to be changing he oughtn't to be changing we oughtn't to be changing you oughtn't to be changing they oughtn't to be changing
Perfect	V-ing perfect
I oughtn't to have changed you oughtn't to have changed he oughtn't to have changed we oughtn't to have changed you oughtn't to have changed they oughtn't to have changed	I oughtn't to have been changing you oughtn't to have been changing he oughtn't to have been changing we oughtn't to have been changing you oughtn't to have been changing they oughtn't to have been changing

Interrogative form

Simple form	V-ing form
ought to I change? ought to you change? ought to he change? ought to we change? ought to you change? ought to they change?	ought to I be changing? ought to you be changing? ought to he be changing? ought to we be changing? ought to you be changing? ought to they be changing?
Perfect	V-ing perfect
ought to I have changed? ought to you have changed? ought to he have changed? ought to we have changed? ought to you have changed? ought to they have changed?	ought to I have been changing? ought to you have been changing? ought to he have been changing? ought to we have been changing? ought to you have been changing? ought to they have been changing?

Interro-negative form

Simple form	V-ing form
oughtn't I to change? oughtn't you to change? oughtn't he to change? oughtn't we to change? oughtn't you to change? oughtn't they to change?	oughtn't I to be changing? oughtn't you to be changing? oughtn't he to be changing? oughtn't we to be changing? oughtn't you to be changing? oughtn't they to be changing?
Perfect	V-ing perfect
oughtn't I to have changed? oughtn't you to have changed? oughtn't he to have changed? oughtn't we to have changed? oughtn't you to have changed? oughtn't they to have changed?	oughtn't I to have been changing? oughtn't you to have been changing? oughtn't he to have been changing? oughtn't we to have been changing? oughtn't you to have been changing? oughtn't they to have been changing?