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 mayn't bow you mayn't bow he 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 he 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 he 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 he 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 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
mayn't I bow? mayn't you bow? mayn't he 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 he 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 he 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 he have been bowing? mayn't we have been bowing? mayn't you have been bowing? mayn't they have been bowing?