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 ought not to teach you ought not to teach he ought not to teach we ought not to teach you ought not to teach they ought not to teach
V-ing form
I ought not to teaching you ought not to teaching he ought not to teaching we ought not to teaching you ought not to teaching they ought not to teaching
Perfect
I ought not to have taught you ought not to have taught he ought not to have taught we ought not to have taught you ought not to have taught they ought not to have taught
V-ing perfect
I ought not to have been teaching you ought not to have been teaching he ought not to have been teaching we ought not to have been teaching you ought not to have been teaching they ought not 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
ought I not to teach? ought you not to teach? ought he not to teach? ought we not to teach? ought you not to teach? ought they not to teach?
V-ing form
ought I not to be teaching? ought you not to be teaching? ought he not to be teaching? ought we not to be teaching? ought you not to be teaching? ought they not to be teaching?
Perfect
ought I not to have taught? ought you not to have taught? ought he not to have taught? ought we not to have taught? ought you not to have taught? ought they not to have taught?
V-ing perfect
ought I not to have been teaching? ought you not to have been teaching? ought he not to have been teaching? ought we not to have been teaching? ought you not to have been teaching? ought they not to have been teaching?