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