ought to nitride
Regular verb: nitride - nitrided- nitrided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to nitride
you ought to nitride
he ought to nitride
we ought to nitride
you ought to nitride
they ought to nitride 	I ought to be nitriding
you ought to be nitriding
he ought to be nitriding
we ought to be nitriding
you ought to be nitriding
they ought to be nitriding	I ought to have nitrided
you ought to have nitrided
he ought to have nitrided
we ought to have nitrided
you ought to have nitrided
they ought to have nitrided	I ought to have been nitriding
you ought to have been nitriding
he ought to have been nitriding
we ought to have been nitriding
you ought to have been nitriding
they ought to have been nitriding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to nitride
you oughtn't to nitride
he oughtn't to nitride
we oughtn't to nitride
you oughtn't to nitride
they oughtn't to nitride 	I oughtn't to be nitriding
you oughtn't to be nitriding
he oughtn't to be nitriding
we oughtn't to be nitriding
you oughtn't to be nitriding
they oughtn't to be nitriding	I oughtn't to have nitrided
you oughtn't to have nitrided
he oughtn't to have nitrided
we oughtn't to have nitrided
you oughtn't to have nitrided
they oughtn't to have nitrided	I oughtn't to have been nitriding
you oughtn't to have been nitriding
he oughtn't to have been nitriding
we oughtn't to have been nitriding
you oughtn't to have been nitriding
they oughtn't to have been nitriding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I nitride?
ought to you nitride?
ought to he nitride?
ought to we nitride?
ought to you nitride?
ought to they nitride? 	ought to I be nitriding?
ought to you be nitriding?
ought to he be nitriding?
ought to we be nitriding?
ought to you be nitriding?
ought to they be nitriding? 	ought to I have nitrided?
ought to you have nitrided?
ought to he have nitrided?
ought to we have nitrided?
ought to you have nitrided?
ought to they have nitrided? 	ought to I have been nitriding?
ought to you have been nitriding?
ought to he have been nitriding?
ought to we have been nitriding?
ought to you have been nitriding?
ought to they have been nitriding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to nitride?
oughtn't you to nitride?
oughtn't he to nitride?
oughtn't we to nitride?
oughtn't you to nitride?
oughtn't they to nitride? 	oughtn't I to be nitriding?
oughtn't you to be nitriding?
oughtn't he to be nitriding?
oughtn't we to be nitriding?
oughtn't you to be nitriding?
oughtn't they to be nitriding? 	oughtn't I to have nitrided?
oughtn't you to have nitrided?
oughtn't he to have nitrided?
oughtn't we to have nitrided?
oughtn't you to have nitrided?
oughtn't they to have nitrided? 	oughtn't I to have been nitriding?
oughtn't you to have been nitriding?
oughtn't he to have been nitriding?
oughtn't we to have been nitriding?
oughtn't you to have been nitriding?
oughtn't they to have been nitriding?