ought to nod
Regular verb: nod - nodded- nodded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?