I may bow you may bow she may bow we may bow you may bow they may bow
V-ing form
I may be bowing you may be bowing she may be bowing we may be bowing you may be bowing they may be bowing
Perfect
I may have bowed you may have bowed she 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 she may have been bowing we may have been bowing you may have been bowing they may have been bowing
Negation
Simple form
I mayn't bow you mayn't bow she mayn't bow we mayn't bow you mayn't bow they mayn't bow
V-ing form
I mayn't be bowing you mayn't be bowing she mayn't be bowing we mayn't be bowing you mayn't be bowing they mayn't be bowing
Perfect
I mayn't have bowed you mayn't have bowed she mayn't have bowed we mayn't have bowed you mayn't have bowed they mayn't have bowed
V-ing perfect
I mayn't have been bowing you mayn't have been bowing she mayn't have been bowing we mayn't have been bowing you mayn't have been bowing they mayn't have been bowing
Interrogative form
Simple form
may I bow? may you bow? may she bow? may we bow? may you bow? may they bow?
V-ing form
may I be bowing? may you be bowing? may she be bowing? may we be bowing? may you be bowing? may they be bowing?
Perfect
may I have bowed? may you have bowed? may she 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 she have been bowing? may we have been bowing? may you have been bowing? may they have been bowing?
Interro-negative form
Simple form
mayn't I bow? mayn't you bow? mayn't she bow? mayn't we bow? mayn't you bow? mayn't they bow?
V-ing form
mayn't I be bowing? mayn't you be bowing? mayn't she be bowing? mayn't we be bowing? mayn't you be bowing? mayn't they be bowing?
Perfect
mayn't I have bowed? mayn't you have bowed? mayn't she have bowed? mayn't we have bowed? mayn't you have bowed? mayn't they have bowed?
V-ing perfect
mayn't I have been bowing? mayn't you have been bowing? mayn't she have been bowing? mayn't we have been bowing? mayn't you have been bowing? mayn't they have been bowing?