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