ought to coincide
Regular verb: coincide - coincided- coincided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to coincide
you ought to coincide
he ought to coincide
we ought to coincide
you ought to coincide
they ought to coincide 	I ought to be coinciding
you ought to be coinciding
he ought to be coinciding
we ought to be coinciding
you ought to be coinciding
they ought to be coinciding	I ought to have coincided
you ought to have coincided
he ought to have coincided
we ought to have coincided
you ought to have coincided
they ought to have coincided	I ought to have been coinciding
you ought to have been coinciding
he ought to have been coinciding
we ought to have been coinciding
you ought to have been coinciding
they ought to have been coinciding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to coincide
you oughtn't to coincide
he oughtn't to coincide
we oughtn't to coincide
you oughtn't to coincide
they oughtn't to coincide 	I oughtn't to be coinciding
you oughtn't to be coinciding
he oughtn't to be coinciding
we oughtn't to be coinciding
you oughtn't to be coinciding
they oughtn't to be coinciding	I oughtn't to have coincided
you oughtn't to have coincided
he oughtn't to have coincided
we oughtn't to have coincided
you oughtn't to have coincided
they oughtn't to have coincided	I oughtn't to have been coinciding
you oughtn't to have been coinciding
he oughtn't to have been coinciding
we oughtn't to have been coinciding
you oughtn't to have been coinciding
they oughtn't to have been coinciding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I coincide?
ought to you coincide?
ought to he coincide?
ought to we coincide?
ought to you coincide?
ought to they coincide? 	ought to I be coinciding?
ought to you be coinciding?
ought to he be coinciding?
ought to we be coinciding?
ought to you be coinciding?
ought to they be coinciding? 	ought to I have coincided?
ought to you have coincided?
ought to he have coincided?
ought to we have coincided?
ought to you have coincided?
ought to they have coincided? 	ought to I have been coinciding?
ought to you have been coinciding?
ought to he have been coinciding?
ought to we have been coinciding?
ought to you have been coinciding?
ought to they have been coinciding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to coincide?
oughtn't you to coincide?
oughtn't he to coincide?
oughtn't we to coincide?
oughtn't you to coincide?
oughtn't they to coincide? 	oughtn't I to be coinciding?
oughtn't you to be coinciding?
oughtn't he to be coinciding?
oughtn't we to be coinciding?
oughtn't you to be coinciding?
oughtn't they to be coinciding? 	oughtn't I to have coincided?
oughtn't you to have coincided?
oughtn't he to have coincided?
oughtn't we to have coincided?
oughtn't you to have coincided?
oughtn't they to have coincided? 	oughtn't I to have been coinciding?
oughtn't you to have been coinciding?
oughtn't he to have been coinciding?
oughtn't we to have been coinciding?
oughtn't you to have been coinciding?
oughtn't they to have been coinciding?