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