English verb conjugation
OUGHT TO INCUR

Regular verb: incur - incurred - incurred

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?