I may mercerise you may mercerise she may mercerise we may mercerise you may mercerise they may mercerise
V-ing form
I may be mercerising you may be mercerising she may be mercerising we may be mercerising you may be mercerising they may be mercerising
Perfect
I may have mercerised you may have mercerised she may have mercerised we may have mercerised you may have mercerised they may have mercerised
V-ing perfect
I may have been mercerising you may have been mercerising she may have been mercerising we may have been mercerising you may have been mercerising they may have been mercerising
Negation
Simple form
I mayn't mercerise you mayn't mercerise she mayn't mercerise we mayn't mercerise you mayn't mercerise they mayn't mercerise
V-ing form
I mayn't be mercerising you mayn't be mercerising she mayn't be mercerising we mayn't be mercerising you mayn't be mercerising they mayn't be mercerising
Perfect
I mayn't have mercerised you mayn't have mercerised she mayn't have mercerised we mayn't have mercerised you mayn't have mercerised they mayn't have mercerised
V-ing perfect
I mayn't have been mercerising you mayn't have been mercerising she mayn't have been mercerising we mayn't have been mercerising you mayn't have been mercerising they mayn't have been mercerising
Interrogative form
Simple form
may I mercerise? may you mercerise? may she mercerise? may we mercerise? may you mercerise? may they mercerise?
V-ing form
may I be mercerising? may you be mercerising? may she be mercerising? may we be mercerising? may you be mercerising? may they be mercerising?
Perfect
may I have mercerised? may you have mercerised? may she have mercerised? may we have mercerised? may you have mercerised? may they have mercerised?
V-ing perfect
may I have been mercerising? may you have been mercerising? may she have been mercerising? may we have been mercerising? may you have been mercerising? may they have been mercerising?
Interro-negative form
Simple form
mayn't I mercerise? mayn't you mercerise? mayn't she mercerise? mayn't we mercerise? mayn't you mercerise? mayn't they mercerise?
V-ing form
mayn't I be mercerising? mayn't you be mercerising? mayn't she be mercerising? mayn't we be mercerising? mayn't you be mercerising? mayn't they be mercerising?
Perfect
mayn't I have mercerised? mayn't you have mercerised? mayn't she have mercerised? mayn't we have mercerised? mayn't you have mercerised? mayn't they have mercerised?
V-ing perfect
mayn't I have been mercerising? mayn't you have been mercerising? mayn't she have been mercerising? mayn't we have been mercerising? mayn't you have been mercerising? mayn't they have been mercerising?