ought to intercalate
Regular verb: intercalate - intercalated- intercalated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to intercalate
you ought to intercalate
he ought to intercalate
we ought to intercalate
you ought to intercalate
they ought to intercalate 	I ought to be intercalating
you ought to be intercalating
he ought to be intercalating
we ought to be intercalating
you ought to be intercalating
they ought to be intercalating	I ought to have intercalated
you ought to have intercalated
he ought to have intercalated
we ought to have intercalated
you ought to have intercalated
they ought to have intercalated	I ought to have been intercalating
you ought to have been intercalating
he ought to have been intercalating
we ought to have been intercalating
you ought to have been intercalating
they ought to have been intercalating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to intercalate
you oughtn't to intercalate
he oughtn't to intercalate
we oughtn't to intercalate
you oughtn't to intercalate
they oughtn't to intercalate 	I oughtn't to be intercalating
you oughtn't to be intercalating
he oughtn't to be intercalating
we oughtn't to be intercalating
you oughtn't to be intercalating
they oughtn't to be intercalating	I oughtn't to have intercalated
you oughtn't to have intercalated
he oughtn't to have intercalated
we oughtn't to have intercalated
you oughtn't to have intercalated
they oughtn't to have intercalated	I oughtn't to have been intercalating
you oughtn't to have been intercalating
he oughtn't to have been intercalating
we oughtn't to have been intercalating
you oughtn't to have been intercalating
they oughtn't to have been intercalating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I intercalate?
ought to you intercalate?
ought to he intercalate?
ought to we intercalate?
ought to you intercalate?
ought to they intercalate? 	ought to I be intercalating?
ought to you be intercalating?
ought to he be intercalating?
ought to we be intercalating?
ought to you be intercalating?
ought to they be intercalating? 	ought to I have intercalated?
ought to you have intercalated?
ought to he have intercalated?
ought to we have intercalated?
ought to you have intercalated?
ought to they have intercalated? 	ought to I have been intercalating?
ought to you have been intercalating?
ought to he have been intercalating?
ought to we have been intercalating?
ought to you have been intercalating?
ought to they have been intercalating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to intercalate?
oughtn't you to intercalate?
oughtn't he to intercalate?
oughtn't we to intercalate?
oughtn't you to intercalate?
oughtn't they to intercalate? 	oughtn't I to be intercalating?
oughtn't you to be intercalating?
oughtn't he to be intercalating?
oughtn't we to be intercalating?
oughtn't you to be intercalating?
oughtn't they to be intercalating? 	oughtn't I to have intercalated?
oughtn't you to have intercalated?
oughtn't he to have intercalated?
oughtn't we to have intercalated?
oughtn't you to have intercalated?
oughtn't they to have intercalated? 	oughtn't I to have been intercalating?
oughtn't you to have been intercalating?
oughtn't he to have been intercalating?
oughtn't we to have been intercalating?
oughtn't you to have been intercalating?
oughtn't they to have been intercalating?