I ought to preacquaint you ought to preacquaint she ought to preacquaint we ought to preacquaint you ought to preacquaint they ought to preacquaint
V-ing form
I ought to be preacquainting you ought to be preacquainting she ought to be preacquainting we ought to be preacquainting you ought to be preacquainting they ought to be preacquainting
Perfect
I ought to have preacquainted you ought to have preacquainted she ought to have preacquainted we ought to have preacquainted you ought to have preacquainted they ought to have preacquainted
V-ing perfect
I ought to have been preacquainting you ought to have been preacquainting she ought to have been preacquainting we ought to have been preacquainting you ought to have been preacquainting they ought to have been preacquainting
Negation
Simple form
I oughtn't to preacquaint you oughtn't to preacquaint she oughtn't to preacquaint we oughtn't to preacquaint you oughtn't to preacquaint they oughtn't to preacquaint
V-ing form
I oughtn't to be preacquainting you oughtn't to be preacquainting she oughtn't to be preacquainting we oughtn't to be preacquainting you oughtn't to be preacquainting they oughtn't to be preacquainting
Perfect
I oughtn't to have preacquainted you oughtn't to have preacquainted she oughtn't to have preacquainted we oughtn't to have preacquainted you oughtn't to have preacquainted they oughtn't to have preacquainted
V-ing perfect
I oughtn't to have been preacquainting you oughtn't to have been preacquainting she oughtn't to have been preacquainting we oughtn't to have been preacquainting you oughtn't to have been preacquainting they oughtn't to have been preacquainting
Interrogative form
Simple form
ought to I preacquaint? ought to you preacquaint? ought to she preacquaint? ought to we preacquaint? ought to you preacquaint? ought to they preacquaint?
V-ing form
ought to I be preacquainting? ought to you be preacquainting? ought to she be preacquainting? ought to we be preacquainting? ought to you be preacquainting? ought to they be preacquainting?
Perfect
ought to I have preacquainted? ought to you have preacquainted? ought to she have preacquainted? ought to we have preacquainted? ought to you have preacquainted? ought to they have preacquainted?
V-ing perfect
ought to I have been preacquainting? ought to you have been preacquainting? ought to she have been preacquainting? ought to we have been preacquainting? ought to you have been preacquainting? ought to they have been preacquainting?
Interro-negative form
Simple form
oughtn't I to preacquaint? oughtn't you to preacquaint? oughtn't she to preacquaint? oughtn't we to preacquaint? oughtn't you to preacquaint? oughtn't they to preacquaint?
V-ing form
oughtn't I to be preacquainting? oughtn't you to be preacquainting? oughtn't she to be preacquainting? oughtn't we to be preacquainting? oughtn't you to be preacquainting? oughtn't they to be preacquainting?
Perfect
oughtn't I to have preacquainted? oughtn't you to have preacquainted? oughtn't she to have preacquainted? oughtn't we to have preacquainted? oughtn't you to have preacquainted? oughtn't they to have preacquainted?
V-ing perfect
oughtn't I to have been preacquainting? oughtn't you to have been preacquainting? oughtn't she to have been preacquainting? oughtn't we to have been preacquainting? oughtn't you to have been preacquainting? oughtn't they to have been preacquainting?