I ought to acquaint you ought to acquaint she ought to acquaint we ought to acquaint you ought to acquaint they ought to acquaint
V-ing form
I ought to be acquainting you ought to be acquainting she ought to be acquainting we ought to be acquainting you ought to be acquainting they ought to be acquainting
Perfect
I ought to have acquainted you ought to have acquainted she ought to have acquainted we ought to have acquainted you ought to have acquainted they ought to have acquainted
V-ing perfect
I ought to have been acquainting you ought to have been acquainting she ought to have been acquainting we ought to have been acquainting you ought to have been acquainting they ought to have been acquainting
Negation
Simple form
I ought not to acquaint you ought not to acquaint she ought not to acquaint we ought not to acquaint you ought not to acquaint they ought not to acquaint
V-ing form
I ought not to acquainting you ought not to acquainting she ought not to acquainting we ought not to acquainting you ought not to acquainting they ought not to acquainting
Perfect
I ought not to have acquainted you ought not to have acquainted she ought not to have acquainted we ought not to have acquainted you ought not to have acquainted they ought not to have acquainted
V-ing perfect
I ought not to have been acquainting you ought not to have been acquainting she ought not to have been acquainting we ought not to have been acquainting you ought not to have been acquainting they ought not to have been acquainting
Interrogative form
Simple form
ought to I acquaint? ought to you acquaint? ought to she acquaint? ought to we acquaint? ought to you acquaint? ought to they acquaint?
V-ing form
ought to I be acquainting? ought to you be acquainting? ought to she be acquainting? ought to we be acquainting? ought to you be acquainting? ought to they be acquainting?
Perfect
ought to I have acquainted? ought to you have acquainted? ought to she have acquainted? ought to we have acquainted? ought to you have acquainted? ought to they have acquainted?
V-ing perfect
ought to I have been acquainting? ought to you have been acquainting? ought to she have been acquainting? ought to we have been acquainting? ought to you have been acquainting? ought to they have been acquainting?
Interro-negative form
Simple form
ought I not to acquaint? ought you not to acquaint? ought she not to acquaint? ought we not to acquaint? ought you not to acquaint? ought they not to acquaint?
V-ing form
ought I not to be acquainting? ought you not to be acquainting? ought she not to be acquainting? ought we not to be acquainting? ought you not to be acquainting? ought they not to be acquainting?
Perfect
ought I not to have acquainted? ought you not to have acquainted? ought she not to have acquainted? ought we not to have acquainted? ought you not to have acquainted? ought they not to have acquainted?
V-ing perfect
ought I not to have been acquainting? ought you not to have been acquainting? ought she not to have been acquainting? ought we not to have been acquainting? ought you not to have been acquainting? ought they not to have been acquainting?