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