ought to incur
Regular verb: incur - incurred- incurred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to incur
you ought to incur
he ought to incur
we ought to incur
you ought to incur
they ought to incur 	I ought to be incurring
you ought to be incurring
he ought to be incurring
we ought to be incurring
you ought to be incurring
they ought to be incurring	I ought to have incurred
you ought to have incurred
he ought to have incurred
we ought to have incurred
you ought to have incurred
they ought to have incurred	I ought to have been incurring
you ought to have been incurring
he ought to have been incurring
we ought to have been incurring
you ought to have been incurring
they ought to have been incurring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to incur
you oughtn't to incur
he oughtn't to incur
we oughtn't to incur
you oughtn't to incur
they oughtn't to incur 	I oughtn't to be incurring
you oughtn't to be incurring
he oughtn't to be incurring
we oughtn't to be incurring
you oughtn't to be incurring
they oughtn't to be incurring	I oughtn't to have incurred
you oughtn't to have incurred
he oughtn't to have incurred
we oughtn't to have incurred
you oughtn't to have incurred
they oughtn't to have incurred	I oughtn't to have been incurring
you oughtn't to have been incurring
he oughtn't to have been incurring
we oughtn't to have been incurring
you oughtn't to have been incurring
they oughtn't to have been incurring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I incur?
ought to you incur?
ought to he incur?
ought to we incur?
ought to you incur?
ought to they incur? 	ought to I be incurring?
ought to you be incurring?
ought to he be incurring?
ought to we be incurring?
ought to you be incurring?
ought to they be incurring? 	ought to I have incurred?
ought to you have incurred?
ought to he have incurred?
ought to we have incurred?
ought to you have incurred?
ought to they have incurred? 	ought to I have been incurring?
ought to you have been incurring?
ought to he have been incurring?
ought to we have been incurring?
ought to you have been incurring?
ought to they have been incurring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to incur?
oughtn't you to incur?
oughtn't he to incur?
oughtn't we to incur?
oughtn't you to incur?
oughtn't they to incur? 	oughtn't I to be incurring?
oughtn't you to be incurring?
oughtn't he to be incurring?
oughtn't we to be incurring?
oughtn't you to be incurring?
oughtn't they to be incurring? 	oughtn't I to have incurred?
oughtn't you to have incurred?
oughtn't he to have incurred?
oughtn't we to have incurred?
oughtn't you to have incurred?
oughtn't they to have incurred? 	oughtn't I to have been incurring?
oughtn't you to have been incurring?
oughtn't he to have been incurring?
oughtn't we to have been incurring?
oughtn't you to have been incurring?
oughtn't they to have been incurring?