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