English verb conjugation
OUGHT TO ERR

Regular verb: err - erred - erred

Affirmation

Simple form	V-ing form
I ought to err you ought to err he ought to err we ought to err you ought to err they ought to err	I ought to be erring you ought to be erring he ought to be erring we ought to be erring you ought to be erring they ought to be erring
Perfect	V-ing perfect
I ought to have erred you ought to have erred he ought to have erred we ought to have erred you ought to have erred they ought to have erred	I ought to have been erring you ought to have been erring he ought to have been erring we ought to have been erring you ought to have been erring they ought to have been erring

Negation

Simple form	V-ing form
I oughtn't to err you oughtn't to err he oughtn't to err we oughtn't to err you oughtn't to err they oughtn't to err	I oughtn't to be erring you oughtn't to be erring he oughtn't to be erring we oughtn't to be erring you oughtn't to be erring they oughtn't to be erring
Perfect	V-ing perfect
I oughtn't to have erred you oughtn't to have erred he oughtn't to have erred we oughtn't to have erred you oughtn't to have erred they oughtn't to have erred	I oughtn't to have been erring you oughtn't to have been erring he oughtn't to have been erring we oughtn't to have been erring you oughtn't to have been erring they oughtn't to have been erring

Interrogative form

Simple form	V-ing form
ought to I err? ought to you err? ought to he err? ought to we err? ought to you err? ought to they err?	ought to I be erring? ought to you be erring? ought to he be erring? ought to we be erring? ought to you be erring? ought to they be erring?
Perfect	V-ing perfect
ought to I have erred? ought to you have erred? ought to he have erred? ought to we have erred? ought to you have erred? ought to they have erred?	ought to I have been erring? ought to you have been erring? ought to he have been erring? ought to we have been erring? ought to you have been erring? ought to they have been erring?

Interro-negative form

Simple form	V-ing form
oughtn't I to err? oughtn't you to err? oughtn't he to err? oughtn't we to err? oughtn't you to err? oughtn't they to err?	oughtn't I to be erring? oughtn't you to be erring? oughtn't he to be erring? oughtn't we to be erring? oughtn't you to be erring? oughtn't they to be erring?
Perfect	V-ing perfect
oughtn't I to have erred? oughtn't you to have erred? oughtn't he to have erred? oughtn't we to have erred? oughtn't you to have erred? oughtn't they to have erred?	oughtn't I to have been erring? oughtn't you to have been erring? oughtn't he to have been erring? oughtn't we to have been erring? oughtn't you to have been erring? oughtn't they to have been erring?