ought to prorate
Regular verb: prorate - prorated- prorated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to prorate
you ought to prorate
he ought to prorate
we ought to prorate
you ought to prorate
they ought to prorate 	I ought to be prorating
you ought to be prorating
he ought to be prorating
we ought to be prorating
you ought to be prorating
they ought to be prorating	I ought to have prorated
you ought to have prorated
he ought to have prorated
we ought to have prorated
you ought to have prorated
they ought to have prorated	I ought to have been prorating
you ought to have been prorating
he ought to have been prorating
we ought to have been prorating
you ought to have been prorating
they ought to have been prorating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to prorate
you oughtn't to prorate
he oughtn't to prorate
we oughtn't to prorate
you oughtn't to prorate
they oughtn't to prorate 	I oughtn't to be prorating
you oughtn't to be prorating
he oughtn't to be prorating
we oughtn't to be prorating
you oughtn't to be prorating
they oughtn't to be prorating	I oughtn't to have prorated
you oughtn't to have prorated
he oughtn't to have prorated
we oughtn't to have prorated
you oughtn't to have prorated
they oughtn't to have prorated	I oughtn't to have been prorating
you oughtn't to have been prorating
he oughtn't to have been prorating
we oughtn't to have been prorating
you oughtn't to have been prorating
they oughtn't to have been prorating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I prorate?
ought to you prorate?
ought to he prorate?
ought to we prorate?
ought to you prorate?
ought to they prorate? 	ought to I be prorating?
ought to you be prorating?
ought to he be prorating?
ought to we be prorating?
ought to you be prorating?
ought to they be prorating? 	ought to I have prorated?
ought to you have prorated?
ought to he have prorated?
ought to we have prorated?
ought to you have prorated?
ought to they have prorated? 	ought to I have been prorating?
ought to you have been prorating?
ought to he have been prorating?
ought to we have been prorating?
ought to you have been prorating?
ought to they have been prorating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to prorate?
oughtn't you to prorate?
oughtn't he to prorate?
oughtn't we to prorate?
oughtn't you to prorate?
oughtn't they to prorate? 	oughtn't I to be prorating?
oughtn't you to be prorating?
oughtn't he to be prorating?
oughtn't we to be prorating?
oughtn't you to be prorating?
oughtn't they to be prorating? 	oughtn't I to have prorated?
oughtn't you to have prorated?
oughtn't he to have prorated?
oughtn't we to have prorated?
oughtn't you to have prorated?
oughtn't they to have prorated? 	oughtn't I to have been prorating?
oughtn't you to have been prorating?
oughtn't he to have been prorating?
oughtn't we to have been prorating?
oughtn't you to have been prorating?
oughtn't they to have been prorating?