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