ought to corbel
Regular verb: corbel - corbeled- corbeled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to corbel
you ought to corbel
he ought to corbel
we ought to corbel
you ought to corbel
they ought to corbel 	I ought to be corbeling
you ought to be corbeling
he ought to be corbeling
we ought to be corbeling
you ought to be corbeling
they ought to be corbeling	I ought to have corbeled
you ought to have corbeled
he ought to have corbeled
we ought to have corbeled
you ought to have corbeled
they ought to have corbeled	I ought to have been corbeling
you ought to have been corbeling
he ought to have been corbeling
we ought to have been corbeling
you ought to have been corbeling
they ought to have been corbeling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to corbel
you oughtn't to corbel
he oughtn't to corbel
we oughtn't to corbel
you oughtn't to corbel
they oughtn't to corbel 	I oughtn't to be corbeling
you oughtn't to be corbeling
he oughtn't to be corbeling
we oughtn't to be corbeling
you oughtn't to be corbeling
they oughtn't to be corbeling	I oughtn't to have corbeled
you oughtn't to have corbeled
he oughtn't to have corbeled
we oughtn't to have corbeled
you oughtn't to have corbeled
they oughtn't to have corbeled	I oughtn't to have been corbeling
you oughtn't to have been corbeling
he oughtn't to have been corbeling
we oughtn't to have been corbeling
you oughtn't to have been corbeling
they oughtn't to have been corbeling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I corbel?
ought to you corbel?
ought to he corbel?
ought to we corbel?
ought to you corbel?
ought to they corbel? 	ought to I be corbeling?
ought to you be corbeling?
ought to he be corbeling?
ought to we be corbeling?
ought to you be corbeling?
ought to they be corbeling? 	ought to I have corbeled?
ought to you have corbeled?
ought to he have corbeled?
ought to we have corbeled?
ought to you have corbeled?
ought to they have corbeled? 	ought to I have been corbeling?
ought to you have been corbeling?
ought to he have been corbeling?
ought to we have been corbeling?
ought to you have been corbeling?
ought to they have been corbeling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to corbel?
oughtn't you to corbel?
oughtn't he to corbel?
oughtn't we to corbel?
oughtn't you to corbel?
oughtn't they to corbel? 	oughtn't I to be corbeling?
oughtn't you to be corbeling?
oughtn't he to be corbeling?
oughtn't we to be corbeling?
oughtn't you to be corbeling?
oughtn't they to be corbeling? 	oughtn't I to have corbeled?
oughtn't you to have corbeled?
oughtn't he to have corbeled?
oughtn't we to have corbeled?
oughtn't you to have corbeled?
oughtn't they to have corbeled? 	oughtn't I to have been corbeling?
oughtn't you to have been corbeling?
oughtn't he to have been corbeling?
oughtn't we to have been corbeling?
oughtn't you to have been corbeling?
oughtn't they to have been corbeling?