English verb conjugation
MAY HYDROGENISE

Regular verb: hydrogenise - hydrogenised - hydrogenised

Affirmation

Simple form	V-ing form
I may hydrogenise you may hydrogenise he may hydrogenise we may hydrogenise you may hydrogenise they may hydrogenise	I may be hydrogenising you may be hydrogenising he may be hydrogenising we may be hydrogenising you may be hydrogenising they may be hydrogenising
Perfect	V-ing perfect
I may have hydrogenised you may have hydrogenised he may have hydrogenised we may have hydrogenised you may have hydrogenised they may have hydrogenised	I may have been hydrogenising you may have been hydrogenising he may have been hydrogenising we may have been hydrogenising you may have been hydrogenising they may have been hydrogenising

Negation

Simple form	V-ing form
I mayn't hydrogenise you mayn't hydrogenise he mayn't hydrogenise we mayn't hydrogenise you mayn't hydrogenise they mayn't hydrogenise	I mayn't be hydrogenising you mayn't be hydrogenising he mayn't be hydrogenising we mayn't be hydrogenising you mayn't be hydrogenising they mayn't be hydrogenising
Perfect	V-ing perfect
I mayn't have hydrogenised you mayn't have hydrogenised he mayn't have hydrogenised we mayn't have hydrogenised you mayn't have hydrogenised they mayn't have hydrogenised	I mayn't have been hydrogenising you mayn't have been hydrogenising he mayn't have been hydrogenising we mayn't have been hydrogenising you mayn't have been hydrogenising they mayn't have been hydrogenising

Interrogative form

Simple form	V-ing form
may I hydrogenise? may you hydrogenise? may he hydrogenise? may we hydrogenise? may you hydrogenise? may they hydrogenise?	may I be hydrogenising? may you be hydrogenising? may he be hydrogenising? may we be hydrogenising? may you be hydrogenising? may they be hydrogenising?
Perfect	V-ing perfect
may I have hydrogenised? may you have hydrogenised? may he have hydrogenised? may we have hydrogenised? may you have hydrogenised? may they have hydrogenised?	may I have been hydrogenising? may you have been hydrogenising? may he have been hydrogenising? may we have been hydrogenising? may you have been hydrogenising? may they have been hydrogenising?

Interro-negative form

Simple form	V-ing form
mayn't I hydrogenise? mayn't you hydrogenise? mayn't he hydrogenise? mayn't we hydrogenise? mayn't you hydrogenise? mayn't they hydrogenise?	mayn't I be hydrogenising? mayn't you be hydrogenising? mayn't he be hydrogenising? mayn't we be hydrogenising? mayn't you be hydrogenising? mayn't they be hydrogenising?
Perfect	V-ing perfect
mayn't I have hydrogenised? mayn't you have hydrogenised? mayn't he have hydrogenised? mayn't we have hydrogenised? mayn't you have hydrogenised? mayn't they have hydrogenised?	mayn't I have been hydrogenising? mayn't you have been hydrogenising? mayn't he have been hydrogenising? mayn't we have been hydrogenising? mayn't you have been hydrogenising? mayn't they have been hydrogenising?