I may bow you may bow he may bow we may bow you may bow they may bow
V-ing form
I may be bowing you may be bowing he may be bowing we may be bowing you may be bowing they may be bowing
Perfect
I may have bowed you may have bowed he may have bowed we may have bowed you may have bowed they may have bowed
V-ing perfect
I may have been bowing you may have been bowing he may have been bowing we may have been bowing you may have been bowing they may have been bowing
Negation
Simple form
I may not bow you may not bow he may not bow we may not bow you may not bow they may not bow
V-ing form
I may not be bowing you may not be bowing he may not be bowing we may not be bowing you may not be bowing they may not be bowing
Perfect
I may not have bowed you may not have bowed he may not have bowed we may not have bowed you may not have bowed they may not have bowed
V-ing perfect
I may not have been bowing you may not have been bowing he may not have been bowing we may not have been bowing you may not have been bowing they may not have been bowing
Interrogative form
Simple form
may I bow? may you bow? may he bow? may we bow? may you bow? may they bow?
V-ing form
may I be bowing? may you be bowing? may he be bowing? may we be bowing? may you be bowing? may they be bowing?
Perfect
may I have bowed? may you have bowed? may he have bowed? may we have bowed? may you have bowed? may they have bowed?
V-ing perfect
may I have been bowing? may you have been bowing? may he have been bowing? may we have been bowing? may you have been bowing? may they have been bowing?
Interro-negative form
Simple form
may I not bow? may you not bow? may he not bow? may we not bow? may you not bow? may they not bow?
V-ing form
may I not be bowing? may you not be bowing? may he not be bowing? may we not be bowing? may you not be bowing? may they not be bowing?
Perfect
may I not have bowed? may you not have bowed? may he not have bowed? may we not have bowed? may you not have bowed? may they not have bowed?
V-ing perfect
may I not have been bowing? may you not have been bowing? may he not have been bowing? may we not have been bowing? may you not have been bowing? may they not have been bowing?