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 he 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 he 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 he 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 he 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 ought not to double-bill you ought not to double-bill he ought not to double-bill we ought not to double-bill you ought not to double-bill they ought not to double-bill	I ought not to double-billing you ought not to double-billing he ought not to double-billing we ought not to double-billing you ought not to double-billing they ought not to double-billing
Perfect	V-ing perfect
I ought not to have double-billed you ought not to have double-billed he ought not to have double-billed we ought not to have double-billed you ought not to have double-billed they ought not to have double-billed	I ought not to have been double-billing you ought not to have been double-billing he ought not to have been double-billing we ought not to have been double-billing you ought not to have been double-billing they ought not to have been double-billing

Interrogative form

Simple form	V-ing form
ought to I double-bill? ought to you double-bill? ought to he 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 he 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 he 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 he 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
ought I not to double-bill? ought you not to double-bill? ought he not to double-bill? ought we not to double-bill? ought you not to double-bill? ought they not to double-bill?	ought I not to be double-billing? ought you not to be double-billing? ought he not to be double-billing? ought we not to be double-billing? ought you not to be double-billing? ought they not to be double-billing?
Perfect	V-ing perfect
ought I not to have double-billed? ought you not to have double-billed? ought he not to have double-billed? ought we not to have double-billed? ought you not to have double-billed? ought they not to have double-billed?	ought I not to have been double-billing? ought you not to have been double-billing? ought he not to have been double-billing? ought we not to have been double-billing? ought you not to have been double-billing? ought they not to have been double-billing?