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