I may close you may close he may close we may close you may close they may close
V-ing form
I may be closing you may be closing he may be closing we may be closing you may be closing they may be closing
Perfect
I may have closed you may have closed he may have closed we may have closed you may have closed they may have closed
V-ing perfect
I may have been closing you may have been closing he may have been closing we may have been closing you may have been closing they may have been closing
Negation
Simple form
I mayn't close you mayn't close he mayn't close we mayn't close you mayn't close they mayn't close
V-ing form
I mayn't be closing you mayn't be closing he mayn't be closing we mayn't be closing you mayn't be closing they mayn't be closing
Perfect
I mayn't have closed you mayn't have closed he mayn't have closed we mayn't have closed you mayn't have closed they mayn't have closed
V-ing perfect
I mayn't have been closing you mayn't have been closing he mayn't have been closing we mayn't have been closing you mayn't have been closing they mayn't have been closing
Interrogative form
Simple form
may I close? may you close? may he close? may we close? may you close? may they close?
V-ing form
may I be closing? may you be closing? may he be closing? may we be closing? may you be closing? may they be closing?
Perfect
may I have closed? may you have closed? may he have closed? may we have closed? may you have closed? may they have closed?
V-ing perfect
may I have been closing? may you have been closing? may he have been closing? may we have been closing? may you have been closing? may they have been closing?
Interro-negative form
Simple form
mayn't I close? mayn't you close? mayn't he close? mayn't we close? mayn't you close? mayn't they close?
V-ing form
mayn't I be closing? mayn't you be closing? mayn't he be closing? mayn't we be closing? mayn't you be closing? mayn't they be closing?
Perfect
mayn't I have closed? mayn't you have closed? mayn't he have closed? mayn't we have closed? mayn't you have closed? mayn't they have closed?
V-ing perfect
mayn't I have been closing? mayn't you have been closing? mayn't he have been closing? mayn't we have been closing? mayn't you have been closing? mayn't they have been closing?