English verb conjugation
OUGHT TO BELIEVE

Regular verb: believe - believed - believed

Affirmation

Simple form	V-ing form
I ought to believe you ought to believe he ought to believe we ought to believe you ought to believe they ought to believe	I ought to be believing you ought to be believing he ought to be believing we ought to be believing you ought to be believing they ought to be believing
Perfect	V-ing perfect
I ought to have believed you ought to have believed he ought to have believed we ought to have believed you ought to have believed they ought to have believed	I ought to have been believing you ought to have been believing he ought to have been believing we ought to have been believing you ought to have been believing they ought to have been believing

Negation

Simple form	V-ing form
I oughtn't to believe you oughtn't to believe he oughtn't to believe we oughtn't to believe you oughtn't to believe they oughtn't to believe	I oughtn't to be believing you oughtn't to be believing he oughtn't to be believing we oughtn't to be believing you oughtn't to be believing they oughtn't to be believing
Perfect	V-ing perfect
I oughtn't to have believed you oughtn't to have believed he oughtn't to have believed we oughtn't to have believed you oughtn't to have believed they oughtn't to have believed	I oughtn't to have been believing you oughtn't to have been believing he oughtn't to have been believing we oughtn't to have been believing you oughtn't to have been believing they oughtn't to have been believing

Interrogative form

Simple form	V-ing form
ought to I believe? ought to you believe? ought to he believe? ought to we believe? ought to you believe? ought to they believe?	ought to I be believing? ought to you be believing? ought to he be believing? ought to we be believing? ought to you be believing? ought to they be believing?
Perfect	V-ing perfect
ought to I have believed? ought to you have believed? ought to he have believed? ought to we have believed? ought to you have believed? ought to they have believed?	ought to I have been believing? ought to you have been believing? ought to he have been believing? ought to we have been believing? ought to you have been believing? ought to they have been believing?

Interro-negative form

Simple form	V-ing form
oughtn't I to believe? oughtn't you to believe? oughtn't he to believe? oughtn't we to believe? oughtn't you to believe? oughtn't they to believe?	oughtn't I to be believing? oughtn't you to be believing? oughtn't he to be believing? oughtn't we to be believing? oughtn't you to be believing? oughtn't they to be believing?
Perfect	V-ing perfect
oughtn't I to have believed? oughtn't you to have believed? oughtn't he to have believed? oughtn't we to have believed? oughtn't you to have believed? oughtn't they to have believed?	oughtn't I to have been believing? oughtn't you to have been believing? oughtn't he to have been believing? oughtn't we to have been believing? oughtn't you to have been believing? oughtn't they to have been believing?