I ought to refine you ought to refine he ought to refine we ought to refine you ought to refine they ought to refine
V-ing form
I ought to be refining you ought to be refining he ought to be refining we ought to be refining you ought to be refining they ought to be refining
Perfect
I ought to have refined you ought to have refined he ought to have refined we ought to have refined you ought to have refined they ought to have refined
V-ing perfect
I ought to have been refining you ought to have been refining he ought to have been refining we ought to have been refining you ought to have been refining they ought to have been refining
Negation
Simple form
I oughtn't to refine you oughtn't to refine he oughtn't to refine we oughtn't to refine you oughtn't to refine they oughtn't to refine
V-ing form
I oughtn't to be refining you oughtn't to be refining he oughtn't to be refining we oughtn't to be refining you oughtn't to be refining they oughtn't to be refining
Perfect
I oughtn't to have refined you oughtn't to have refined he oughtn't to have refined we oughtn't to have refined you oughtn't to have refined they oughtn't to have refined
V-ing perfect
I oughtn't to have been refining you oughtn't to have been refining he oughtn't to have been refining we oughtn't to have been refining you oughtn't to have been refining they oughtn't to have been refining
Interrogative form
Simple form
ought to I refine? ought to you refine? ought to he refine? ought to we refine? ought to you refine? ought to they refine?
V-ing form
ought to I be refining? ought to you be refining? ought to he be refining? ought to we be refining? ought to you be refining? ought to they be refining?
Perfect
ought to I have refined? ought to you have refined? ought to he have refined? ought to we have refined? ought to you have refined? ought to they have refined?
V-ing perfect
ought to I have been refining? ought to you have been refining? ought to he have been refining? ought to we have been refining? ought to you have been refining? ought to they have been refining?
Interro-negative form
Simple form
oughtn't I to refine? oughtn't you to refine? oughtn't he to refine? oughtn't we to refine? oughtn't you to refine? oughtn't they to refine?
V-ing form
oughtn't I to be refining? oughtn't you to be refining? oughtn't he to be refining? oughtn't we to be refining? oughtn't you to be refining? oughtn't they to be refining?
Perfect
oughtn't I to have refined? oughtn't you to have refined? oughtn't he to have refined? oughtn't we to have refined? oughtn't you to have refined? oughtn't they to have refined?
V-ing perfect
oughtn't I to have been refining? oughtn't you to have been refining? oughtn't he to have been refining? oughtn't we to have been refining? oughtn't you to have been refining? oughtn't they to have been refining?