I may depressurise you may depressurise he may depressurise we may depressurise you may depressurise they may depressurise
V-ing form
I may be depressurising you may be depressurising he may be depressurising we may be depressurising you may be depressurising they may be depressurising
Perfect
I may have depressurised you may have depressurised he 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 he 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 he 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 he 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 he 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 he 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 he depressurise? may we depressurise? may you depressurise? may they depressurise?
V-ing form
may I be depressurising? may you be depressurising? may he be depressurising? may we be depressurising? may you be depressurising? may they be depressurising?
Perfect
may I have depressurised? may you have depressurised? may he 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 he 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 he 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 he 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 he 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 he have been depressurising? mayn't we have been depressurising? mayn't you have been depressurising? mayn't they have been depressurising?