English verb conjugation
MUST HYDROGENISE

Regular verb: hydrogenise - hydrogenised - hydrogenised

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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