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