ought to occasion
Regular verb: occasion - occasioned- occasioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to occasion
you ought to occasion
he ought to occasion
we ought to occasion
you ought to occasion
they ought to occasion 	I ought to be occasioning
you ought to be occasioning
he ought to be occasioning
we ought to be occasioning
you ought to be occasioning
they ought to be occasioning	I ought to have occasioned
you ought to have occasioned
he ought to have occasioned
we ought to have occasioned
you ought to have occasioned
they ought to have occasioned	I ought to have been occasioning
you ought to have been occasioning
he ought to have been occasioning
we ought to have been occasioning
you ought to have been occasioning
they ought to have been occasioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to occasion
you oughtn't to occasion
he oughtn't to occasion
we oughtn't to occasion
you oughtn't to occasion
they oughtn't to occasion 	I oughtn't to be occasioning
you oughtn't to be occasioning
he oughtn't to be occasioning
we oughtn't to be occasioning
you oughtn't to be occasioning
they oughtn't to be occasioning	I oughtn't to have occasioned
you oughtn't to have occasioned
he oughtn't to have occasioned
we oughtn't to have occasioned
you oughtn't to have occasioned
they oughtn't to have occasioned	I oughtn't to have been occasioning
you oughtn't to have been occasioning
he oughtn't to have been occasioning
we oughtn't to have been occasioning
you oughtn't to have been occasioning
they oughtn't to have been occasioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I occasion?
ought to you occasion?
ought to he occasion?
ought to we occasion?
ought to you occasion?
ought to they occasion? 	ought to I be occasioning?
ought to you be occasioning?
ought to he be occasioning?
ought to we be occasioning?
ought to you be occasioning?
ought to they be occasioning? 	ought to I have occasioned?
ought to you have occasioned?
ought to he have occasioned?
ought to we have occasioned?
ought to you have occasioned?
ought to they have occasioned? 	ought to I have been occasioning?
ought to you have been occasioning?
ought to he have been occasioning?
ought to we have been occasioning?
ought to you have been occasioning?
ought to they have been occasioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to occasion?
oughtn't you to occasion?
oughtn't he to occasion?
oughtn't we to occasion?
oughtn't you to occasion?
oughtn't they to occasion? 	oughtn't I to be occasioning?
oughtn't you to be occasioning?
oughtn't he to be occasioning?
oughtn't we to be occasioning?
oughtn't you to be occasioning?
oughtn't they to be occasioning? 	oughtn't I to have occasioned?
oughtn't you to have occasioned?
oughtn't he to have occasioned?
oughtn't we to have occasioned?
oughtn't you to have occasioned?
oughtn't they to have occasioned? 	oughtn't I to have been occasioning?
oughtn't you to have been occasioning?
oughtn't he to have been occasioning?
oughtn't we to have been occasioning?
oughtn't you to have been occasioning?
oughtn't they to have been occasioning?