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