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