I may stab you may stab he may stab we may stab you may stab they may stab
V-ing form
I may be stabbing you may be stabbing he may be stabbing we may be stabbing you may be stabbing they may be stabbing
Perfect
I may have stabbed you may have stabbed he may have stabbed we may have stabbed you may have stabbed they may have stabbed
V-ing perfect
I may have been stabbing you may have been stabbing he may have been stabbing we may have been stabbing you may have been stabbing they may have been stabbing
Negation
Simple form
I may not stab you may not stab he may not stab we may not stab you may not stab they may not stab
V-ing form
I may not be stabbing you may not be stabbing he may not be stabbing we may not be stabbing you may not be stabbing they may not be stabbing
Perfect
I may not have stabbed you may not have stabbed he may not have stabbed we may not have stabbed you may not have stabbed they may not have stabbed
V-ing perfect
I may not have been stabbing you may not have been stabbing he may not have been stabbing we may not have been stabbing you may not have been stabbing they may not have been stabbing
Interrogative form
Simple form
may I stab? may you stab? may he stab? may we stab? may you stab? may they stab?
V-ing form
may I be stabbing? may you be stabbing? may he be stabbing? may we be stabbing? may you be stabbing? may they be stabbing?
Perfect
may I have stabbed? may you have stabbed? may he have stabbed? may we have stabbed? may you have stabbed? may they have stabbed?
V-ing perfect
may I have been stabbing? may you have been stabbing? may he have been stabbing? may we have been stabbing? may you have been stabbing? may they have been stabbing?
Interro-negative form
Simple form
may I not stab? may you not stab? may he not stab? may we not stab? may you not stab? may they not stab?
V-ing form
may I not be stabbing? may you not be stabbing? may he not be stabbing? may we not be stabbing? may you not be stabbing? may they not be stabbing?
Perfect
may I not have stabbed? may you not have stabbed? may he not have stabbed? may we not have stabbed? may you not have stabbed? may they not have stabbed?
V-ing perfect
may I not have been stabbing? may you not have been stabbing? may he not have been stabbing? may we not have been stabbing? may you not have been stabbing? may they not have been stabbing?