English verb conjugation
OUGHT TO DOUBLE-BILL

Regular verb: double-bill - double-billed - double-billed

Affirmation

Simple form	V-ing form
I ought to double-bill you ought to double-bill she ought to double-bill we ought to double-bill you ought to double-bill they ought to double-bill	I ought to be double-billing you ought to be double-billing she ought to be double-billing we ought to be double-billing you ought to be double-billing they ought to be double-billing
Perfect	V-ing perfect
I ought to have double-billed you ought to have double-billed she ought to have double-billed we ought to have double-billed you ought to have double-billed they ought to have double-billed	I ought to have been double-billing you ought to have been double-billing she ought to have been double-billing we ought to have been double-billing you ought to have been double-billing they ought to have been double-billing

Negation

Simple form	V-ing form
I oughtn't to double-bill you oughtn't to double-bill she oughtn't to double-bill we oughtn't to double-bill you oughtn't to double-bill they oughtn't to double-bill	I oughtn't to be double-billing you oughtn't to be double-billing she oughtn't to be double-billing we oughtn't to be double-billing you oughtn't to be double-billing they oughtn't to be double-billing
Perfect	V-ing perfect
I oughtn't to have double-billed you oughtn't to have double-billed she oughtn't to have double-billed we oughtn't to have double-billed you oughtn't to have double-billed they oughtn't to have double-billed	I oughtn't to have been double-billing you oughtn't to have been double-billing she oughtn't to have been double-billing we oughtn't to have been double-billing you oughtn't to have been double-billing they oughtn't to have been double-billing

Interrogative form

Simple form	V-ing form
ought to I double-bill? ought to you double-bill? ought to she double-bill? ought to we double-bill? ought to you double-bill? ought to they double-bill?	ought to I be double-billing? ought to you be double-billing? ought to she be double-billing? ought to we be double-billing? ought to you be double-billing? ought to they be double-billing?
Perfect	V-ing perfect
ought to I have double-billed? ought to you have double-billed? ought to she have double-billed? ought to we have double-billed? ought to you have double-billed? ought to they have double-billed?	ought to I have been double-billing? ought to you have been double-billing? ought to she have been double-billing? ought to we have been double-billing? ought to you have been double-billing? ought to they have been double-billing?

Interro-negative form

Simple form	V-ing form
oughtn't I to double-bill? oughtn't you to double-bill? oughtn't she to double-bill? oughtn't we to double-bill? oughtn't you to double-bill? oughtn't they to double-bill?	oughtn't I to be double-billing? oughtn't you to be double-billing? oughtn't she to be double-billing? oughtn't we to be double-billing? oughtn't you to be double-billing? oughtn't they to be double-billing?
Perfect	V-ing perfect
oughtn't I to have double-billed? oughtn't you to have double-billed? oughtn't she to have double-billed? oughtn't we to have double-billed? oughtn't you to have double-billed? oughtn't they to have double-billed?	oughtn't I to have been double-billing? oughtn't you to have been double-billing? oughtn't she to have been double-billing? oughtn't we to have been double-billing? oughtn't you to have been double-billing? oughtn't they to have been double-billing?