English verb conjugation
OUGHT TO NOD

Regular verb: nod - nodded - nodded

Affirmation

Simple form	V-ing form
I ought to nod you ought to nod he ought to nod we ought to nod you ought to nod they ought to nod	I ought to be nodding you ought to be nodding he ought to be nodding we ought to be nodding you ought to be nodding they ought to be nodding
Perfect	V-ing perfect
I ought to have nodded you ought to have nodded he ought to have nodded we ought to have nodded you ought to have nodded they ought to have nodded	I ought to have been nodding you ought to have been nodding he ought to have been nodding we ought to have been nodding you ought to have been nodding they ought to have been nodding

Negation

Simple form	V-ing form
I oughtn't to nod you oughtn't to nod he oughtn't to nod we oughtn't to nod you oughtn't to nod they oughtn't to nod	I oughtn't to be nodding you oughtn't to be nodding he oughtn't to be nodding we oughtn't to be nodding you oughtn't to be nodding they oughtn't to be nodding
Perfect	V-ing perfect
I oughtn't to have nodded you oughtn't to have nodded he oughtn't to have nodded we oughtn't to have nodded you oughtn't to have nodded they oughtn't to have nodded	I oughtn't to have been nodding you oughtn't to have been nodding he oughtn't to have been nodding we oughtn't to have been nodding you oughtn't to have been nodding they oughtn't to have been nodding

Interrogative form

Simple form	V-ing form
ought to I nod? ought to you nod? ought to he nod? ought to we nod? ought to you nod? ought to they nod?	ought to I be nodding? ought to you be nodding? ought to he be nodding? ought to we be nodding? ought to you be nodding? ought to they be nodding?
Perfect	V-ing perfect
ought to I have nodded? ought to you have nodded? ought to he have nodded? ought to we have nodded? ought to you have nodded? ought to they have nodded?	ought to I have been nodding? ought to you have been nodding? ought to he have been nodding? ought to we have been nodding? ought to you have been nodding? ought to they have been nodding?

Interro-negative form

Simple form	V-ing form
oughtn't I to nod? oughtn't you to nod? oughtn't he to nod? oughtn't we to nod? oughtn't you to nod? oughtn't they to nod?	oughtn't I to be nodding? oughtn't you to be nodding? oughtn't he to be nodding? oughtn't we to be nodding? oughtn't you to be nodding? oughtn't they to be nodding?
Perfect	V-ing perfect
oughtn't I to have nodded? oughtn't you to have nodded? oughtn't he to have nodded? oughtn't we to have nodded? oughtn't you to have nodded? oughtn't they to have nodded?	oughtn't I to have been nodding? oughtn't you to have been nodding? oughtn't he to have been nodding? oughtn't we to have been nodding? oughtn't you to have been nodding? oughtn't they to have been nodding?