English verb conjugation
OUGHT TO SUB

Regular verb: sub - subbed - subbed

Affirmation

Simple form	V-ing form
I ought to sub you ought to sub he ought to sub we ought to sub you ought to sub they ought to sub	I ought to be subbing you ought to be subbing he ought to be subbing we ought to be subbing you ought to be subbing they ought to be subbing
Perfect	V-ing perfect
I ought to have subbed you ought to have subbed he ought to have subbed we ought to have subbed you ought to have subbed they ought to have subbed	I ought to have been subbing you ought to have been subbing he ought to have been subbing we ought to have been subbing you ought to have been subbing they ought to have been subbing

Negation

Simple form	V-ing form
I oughtn't to sub you oughtn't to sub he oughtn't to sub we oughtn't to sub you oughtn't to sub they oughtn't to sub	I oughtn't to be subbing you oughtn't to be subbing he oughtn't to be subbing we oughtn't to be subbing you oughtn't to be subbing they oughtn't to be subbing
Perfect	V-ing perfect
I oughtn't to have subbed you oughtn't to have subbed he oughtn't to have subbed we oughtn't to have subbed you oughtn't to have subbed they oughtn't to have subbed	I oughtn't to have been subbing you oughtn't to have been subbing he oughtn't to have been subbing we oughtn't to have been subbing you oughtn't to have been subbing they oughtn't to have been subbing

Interrogative form

Simple form	V-ing form
ought to I sub? ought to you sub? ought to he sub? ought to we sub? ought to you sub? ought to they sub?	ought to I be subbing? ought to you be subbing? ought to he be subbing? ought to we be subbing? ought to you be subbing? ought to they be subbing?
Perfect	V-ing perfect
ought to I have subbed? ought to you have subbed? ought to he have subbed? ought to we have subbed? ought to you have subbed? ought to they have subbed?	ought to I have been subbing? ought to you have been subbing? ought to he have been subbing? ought to we have been subbing? ought to you have been subbing? ought to they have been subbing?

Interro-negative form

Simple form	V-ing form
oughtn't I to sub? oughtn't you to sub? oughtn't he to sub? oughtn't we to sub? oughtn't you to sub? oughtn't they to sub?	oughtn't I to be subbing? oughtn't you to be subbing? oughtn't he to be subbing? oughtn't we to be subbing? oughtn't you to be subbing? oughtn't they to be subbing?
Perfect	V-ing perfect
oughtn't I to have subbed? oughtn't you to have subbed? oughtn't he to have subbed? oughtn't we to have subbed? oughtn't you to have subbed? oughtn't they to have subbed?	oughtn't I to have been subbing? oughtn't you to have been subbing? oughtn't he to have been subbing? oughtn't we to have been subbing? oughtn't you to have been subbing? oughtn't they to have been subbing?