English verb conjugation
OUGHT TO PREBILL

Regular verb: prebill - prebilled - prebilled

Affirmation

Simple form	V-ing form
I ought to prebill you ought to prebill he ought to prebill we ought to prebill you ought to prebill they ought to prebill	I ought to be prebilling you ought to be prebilling he ought to be prebilling we ought to be prebilling you ought to be prebilling they ought to be prebilling
Perfect	V-ing perfect
I ought to have prebilled you ought to have prebilled he ought to have prebilled we ought to have prebilled you ought to have prebilled they ought to have prebilled	I ought to have been prebilling you ought to have been prebilling he ought to have been prebilling we ought to have been prebilling you ought to have been prebilling they ought to have been prebilling

Negation

Simple form	V-ing form
I ought not to prebill you ought not to prebill he ought not to prebill we ought not to prebill you ought not to prebill they ought not to prebill	I ought not to prebilling you ought not to prebilling he ought not to prebilling we ought not to prebilling you ought not to prebilling they ought not to prebilling
Perfect	V-ing perfect
I ought not to have prebilled you ought not to have prebilled he ought not to have prebilled we ought not to have prebilled you ought not to have prebilled they ought not to have prebilled	I ought not to have been prebilling you ought not to have been prebilling he ought not to have been prebilling we ought not to have been prebilling you ought not to have been prebilling they ought not to have been prebilling

Interrogative form

Simple form	V-ing form
ought to I prebill? ought to you prebill? ought to he prebill? ought to we prebill? ought to you prebill? ought to they prebill?	ought to I be prebilling? ought to you be prebilling? ought to he be prebilling? ought to we be prebilling? ought to you be prebilling? ought to they be prebilling?
Perfect	V-ing perfect
ought to I have prebilled? ought to you have prebilled? ought to he have prebilled? ought to we have prebilled? ought to you have prebilled? ought to they have prebilled?	ought to I have been prebilling? ought to you have been prebilling? ought to he have been prebilling? ought to we have been prebilling? ought to you have been prebilling? ought to they have been prebilling?

Interro-negative form

Simple form	V-ing form
ought I not to prebill? ought you not to prebill? ought he not to prebill? ought we not to prebill? ought you not to prebill? ought they not to prebill?	ought I not to be prebilling? ought you not to be prebilling? ought he not to be prebilling? ought we not to be prebilling? ought you not to be prebilling? ought they not to be prebilling?
Perfect	V-ing perfect
ought I not to have prebilled? ought you not to have prebilled? ought he not to have prebilled? ought we not to have prebilled? ought you not to have prebilled? ought they not to have prebilled?	ought I not to have been prebilling? ought you not to have been prebilling? ought he not to have been prebilling? ought we not to have been prebilling? ought you not to have been prebilling? ought they not to have been prebilling?