English verb conjugation
OUGHT TO PERSIST

Regular verb: persist - persisted - persisted

Affirmation

Simple form	V-ing form
I ought to persist you ought to persist he ought to persist we ought to persist you ought to persist they ought to persist	I ought to be persisting you ought to be persisting he ought to be persisting we ought to be persisting you ought to be persisting they ought to be persisting
Perfect	V-ing perfect
I ought to have persisted you ought to have persisted he ought to have persisted we ought to have persisted you ought to have persisted they ought to have persisted	I ought to have been persisting you ought to have been persisting he ought to have been persisting we ought to have been persisting you ought to have been persisting they ought to have been persisting

Negation

Simple form	V-ing form
I oughtn't to persist you oughtn't to persist he oughtn't to persist we oughtn't to persist you oughtn't to persist they oughtn't to persist	I oughtn't to be persisting you oughtn't to be persisting he oughtn't to be persisting we oughtn't to be persisting you oughtn't to be persisting they oughtn't to be persisting
Perfect	V-ing perfect
I oughtn't to have persisted you oughtn't to have persisted he oughtn't to have persisted we oughtn't to have persisted you oughtn't to have persisted they oughtn't to have persisted	I oughtn't to have been persisting you oughtn't to have been persisting he oughtn't to have been persisting we oughtn't to have been persisting you oughtn't to have been persisting they oughtn't to have been persisting

Interrogative form

Simple form	V-ing form
ought to I persist? ought to you persist? ought to he persist? ought to we persist? ought to you persist? ought to they persist?	ought to I be persisting? ought to you be persisting? ought to he be persisting? ought to we be persisting? ought to you be persisting? ought to they be persisting?
Perfect	V-ing perfect
ought to I have persisted? ought to you have persisted? ought to he have persisted? ought to we have persisted? ought to you have persisted? ought to they have persisted?	ought to I have been persisting? ought to you have been persisting? ought to he have been persisting? ought to we have been persisting? ought to you have been persisting? ought to they have been persisting?

Interro-negative form

Simple form	V-ing form
oughtn't I to persist? oughtn't you to persist? oughtn't he to persist? oughtn't we to persist? oughtn't you to persist? oughtn't they to persist?	oughtn't I to be persisting? oughtn't you to be persisting? oughtn't he to be persisting? oughtn't we to be persisting? oughtn't you to be persisting? oughtn't they to be persisting?
Perfect	V-ing perfect
oughtn't I to have persisted? oughtn't you to have persisted? oughtn't he to have persisted? oughtn't we to have persisted? oughtn't you to have persisted? oughtn't they to have persisted?	oughtn't I to have been persisting? oughtn't you to have been persisting? oughtn't he to have been persisting? oughtn't we to have been persisting? oughtn't you to have been persisting? oughtn't they to have been persisting?