ought to greaten
Regular verb: greaten - greatened- greatened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to greaten
you ought to greaten
he ought to greaten
we ought to greaten
you ought to greaten
they ought to greaten 	I ought to be greatening
you ought to be greatening
he ought to be greatening
we ought to be greatening
you ought to be greatening
they ought to be greatening	I ought to have greatened
you ought to have greatened
he ought to have greatened
we ought to have greatened
you ought to have greatened
they ought to have greatened	I ought to have been greatening
you ought to have been greatening
he ought to have been greatening
we ought to have been greatening
you ought to have been greatening
they ought to have been greatening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to greaten
you oughtn't to greaten
he oughtn't to greaten
we oughtn't to greaten
you oughtn't to greaten
they oughtn't to greaten 	I oughtn't to be greatening
you oughtn't to be greatening
he oughtn't to be greatening
we oughtn't to be greatening
you oughtn't to be greatening
they oughtn't to be greatening	I oughtn't to have greatened
you oughtn't to have greatened
he oughtn't to have greatened
we oughtn't to have greatened
you oughtn't to have greatened
they oughtn't to have greatened	I oughtn't to have been greatening
you oughtn't to have been greatening
he oughtn't to have been greatening
we oughtn't to have been greatening
you oughtn't to have been greatening
they oughtn't to have been greatening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I greaten?
ought to you greaten?
ought to he greaten?
ought to we greaten?
ought to you greaten?
ought to they greaten? 	ought to I be greatening?
ought to you be greatening?
ought to he be greatening?
ought to we be greatening?
ought to you be greatening?
ought to they be greatening? 	ought to I have greatened?
ought to you have greatened?
ought to he have greatened?
ought to we have greatened?
ought to you have greatened?
ought to they have greatened? 	ought to I have been greatening?
ought to you have been greatening?
ought to he have been greatening?
ought to we have been greatening?
ought to you have been greatening?
ought to they have been greatening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to greaten?
oughtn't you to greaten?
oughtn't he to greaten?
oughtn't we to greaten?
oughtn't you to greaten?
oughtn't they to greaten? 	oughtn't I to be greatening?
oughtn't you to be greatening?
oughtn't he to be greatening?
oughtn't we to be greatening?
oughtn't you to be greatening?
oughtn't they to be greatening? 	oughtn't I to have greatened?
oughtn't you to have greatened?
oughtn't he to have greatened?
oughtn't we to have greatened?
oughtn't you to have greatened?
oughtn't they to have greatened? 	oughtn't I to have been greatening?
oughtn't you to have been greatening?
oughtn't he to have been greatening?
oughtn't we to have been greatening?
oughtn't you to have been greatening?
oughtn't they to have been greatening?