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