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