English verb conjugation
OUGHT TO OVERBILL

Regular verb: overbill - overbilled - overbilled

Affirmation

Simple form	V-ing form
I ought to overbill you ought to overbill he ought to overbill we ought to overbill you ought to overbill they ought to overbill	I ought to be overbilling you ought to be overbilling he ought to be overbilling we ought to be overbilling you ought to be overbilling they ought to be overbilling
Perfect	V-ing perfect
I ought to have overbilled you ought to have overbilled he ought to have overbilled we ought to have overbilled you ought to have overbilled they ought to have overbilled	I ought to have been overbilling you ought to have been overbilling he ought to have been overbilling we ought to have been overbilling you ought to have been overbilling they ought to have been overbilling

Negation

Simple form	V-ing form
I oughtn't to overbill you oughtn't to overbill he oughtn't to overbill we oughtn't to overbill you oughtn't to overbill they oughtn't to overbill	I oughtn't to be overbilling you oughtn't to be overbilling he oughtn't to be overbilling we oughtn't to be overbilling you oughtn't to be overbilling they oughtn't to be overbilling
Perfect	V-ing perfect
I oughtn't to have overbilled you oughtn't to have overbilled he oughtn't to have overbilled we oughtn't to have overbilled you oughtn't to have overbilled they oughtn't to have overbilled	I oughtn't to have been overbilling you oughtn't to have been overbilling he oughtn't to have been overbilling we oughtn't to have been overbilling you oughtn't to have been overbilling they oughtn't to have been overbilling

Interrogative form

Simple form	V-ing form
ought to I overbill? ought to you overbill? ought to he overbill? ought to we overbill? ought to you overbill? ought to they overbill?	ought to I be overbilling? ought to you be overbilling? ought to he be overbilling? ought to we be overbilling? ought to you be overbilling? ought to they be overbilling?
Perfect	V-ing perfect
ought to I have overbilled? ought to you have overbilled? ought to he have overbilled? ought to we have overbilled? ought to you have overbilled? ought to they have overbilled?	ought to I have been overbilling? ought to you have been overbilling? ought to he have been overbilling? ought to we have been overbilling? ought to you have been overbilling? ought to they have been overbilling?

Interro-negative form

Simple form	V-ing form
oughtn't I to overbill? oughtn't you to overbill? oughtn't he to overbill? oughtn't we to overbill? oughtn't you to overbill? oughtn't they to overbill?	oughtn't I to be overbilling? oughtn't you to be overbilling? oughtn't he to be overbilling? oughtn't we to be overbilling? oughtn't you to be overbilling? oughtn't they to be overbilling?
Perfect	V-ing perfect
oughtn't I to have overbilled? oughtn't you to have overbilled? oughtn't he to have overbilled? oughtn't we to have overbilled? oughtn't you to have overbilled? oughtn't they to have overbilled?	oughtn't I to have been overbilling? oughtn't you to have been overbilling? oughtn't he to have been overbilling? oughtn't we to have been overbilling? oughtn't you to have been overbilling? oughtn't they to have been overbilling?