English verb conjugation
OUGHT TO PREESTABLISH

Regular verb: preestablish - preestablished - preestablished

Affirmation

Simple form	V-ing form
I ought to preestablish you ought to preestablish he ought to preestablish we ought to preestablish you ought to preestablish they ought to preestablish	I ought to be preestablishing you ought to be preestablishing he ought to be preestablishing we ought to be preestablishing you ought to be preestablishing they ought to be preestablishing
Perfect	V-ing perfect
I ought to have preestablished you ought to have preestablished he ought to have preestablished we ought to have preestablished you ought to have preestablished they ought to have preestablished	I ought to have been preestablishing you ought to have been preestablishing he ought to have been preestablishing we ought to have been preestablishing you ought to have been preestablishing they ought to have been preestablishing

Negation

Simple form	V-ing form
I oughtn't to preestablish you oughtn't to preestablish he oughtn't to preestablish we oughtn't to preestablish you oughtn't to preestablish they oughtn't to preestablish	I oughtn't to be preestablishing you oughtn't to be preestablishing he oughtn't to be preestablishing we oughtn't to be preestablishing you oughtn't to be preestablishing they oughtn't to be preestablishing
Perfect	V-ing perfect
I oughtn't to have preestablished you oughtn't to have preestablished he oughtn't to have preestablished we oughtn't to have preestablished you oughtn't to have preestablished they oughtn't to have preestablished	I oughtn't to have been preestablishing you oughtn't to have been preestablishing he oughtn't to have been preestablishing we oughtn't to have been preestablishing you oughtn't to have been preestablishing they oughtn't to have been preestablishing

Interrogative form

Simple form	V-ing form
ought to I preestablish? ought to you preestablish? ought to he preestablish? ought to we preestablish? ought to you preestablish? ought to they preestablish?	ought to I be preestablishing? ought to you be preestablishing? ought to he be preestablishing? ought to we be preestablishing? ought to you be preestablishing? ought to they be preestablishing?
Perfect	V-ing perfect
ought to I have preestablished? ought to you have preestablished? ought to he have preestablished? ought to we have preestablished? ought to you have preestablished? ought to they have preestablished?	ought to I have been preestablishing? ought to you have been preestablishing? ought to he have been preestablishing? ought to we have been preestablishing? ought to you have been preestablishing? ought to they have been preestablishing?

Interro-negative form

Simple form	V-ing form
oughtn't I to preestablish? oughtn't you to preestablish? oughtn't he to preestablish? oughtn't we to preestablish? oughtn't you to preestablish? oughtn't they to preestablish?	oughtn't I to be preestablishing? oughtn't you to be preestablishing? oughtn't he to be preestablishing? oughtn't we to be preestablishing? oughtn't you to be preestablishing? oughtn't they to be preestablishing?
Perfect	V-ing perfect
oughtn't I to have preestablished? oughtn't you to have preestablished? oughtn't he to have preestablished? oughtn't we to have preestablished? oughtn't you to have preestablished? oughtn't they to have preestablished?	oughtn't I to have been preestablishing? oughtn't you to have been preestablishing? oughtn't he to have been preestablishing? oughtn't we to have been preestablishing? oughtn't you to have been preestablishing? oughtn't they to have been preestablishing?