I may teach you may teach he may teach we may teach you may teach they may teach
V-ing form
I may be teaching you may be teaching he may be teaching we may be teaching you may be teaching they may be teaching
Perfect
I may have taught you may have taught he may have taught we may have taught you may have taught they may have taught
V-ing perfect
I may have been teaching you may have been teaching he may have been teaching we may have been teaching you may have been teaching they may have been teaching
Negation
Simple form
I may not teach you may not teach he may not teach we may not teach you may not teach they may not teach
V-ing form
I may not be teaching you may not be teaching he may not be teaching we may not be teaching you may not be teaching they may not be teaching
Perfect
I may not have taught you may not have taught he may not have taught we may not have taught you may not have taught they may not have taught
V-ing perfect
I may not have been teaching you may not have been teaching he may not have been teaching we may not have been teaching you may not have been teaching they may not have been teaching
Interrogative form
Simple form
may I teach? may you teach? may he teach? may we teach? may you teach? may they teach?
V-ing form
may I be teaching? may you be teaching? may he be teaching? may we be teaching? may you be teaching? may they be teaching?
Perfect
may I have taught? may you have taught? may he have taught? may we have taught? may you have taught? may they have taught?
V-ing perfect
may I have been teaching? may you have been teaching? may he have been teaching? may we have been teaching? may you have been teaching? may they have been teaching?
Interro-negative form
Simple form
may I not teach? may you not teach? may he not teach? may we not teach? may you not teach? may they not teach?
V-ing form
may I not be teaching? may you not be teaching? may he not be teaching? may we not be teaching? may you not be teaching? may they not be teaching?
Perfect
may I not have taught? may you not have taught? may he not have taught? may we not have taught? may you not have taught? may they not have taught?
V-ing perfect
may I not have been teaching? may you not have been teaching? may he not have been teaching? may we not have been teaching? may you not have been teaching? may they not have been teaching?