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