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 must not hydrogenise you must not hydrogenise he must not hydrogenise we must not hydrogenise you must not hydrogenise they must not hydrogenise	I must not be hydrogenising you must not be hydrogenising he must not be hydrogenising we must not be hydrogenising you must not be hydrogenising they must not be hydrogenising
Perfect	V-ing perfect
I must not have hydrogenised you must not have hydrogenised he must not have hydrogenised we must not have hydrogenised you must not have hydrogenised they must not have hydrogenised	I must not have been hydrogenising you must not have been hydrogenising he must not have been hydrogenising we must not have been hydrogenising you must not have been hydrogenising they must not 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
must I not hydrogenise? must you not hydrogenise? must he not hydrogenise? must we not hydrogenise? must you not hydrogenise? must they not hydrogenise?	must I not be hydrogenising? must you not be hydrogenising? must he not be hydrogenising? must we not be hydrogenising? must you not be hydrogenising? must they not be hydrogenising?
Perfect	V-ing perfect
must I not have hydrogenised? must you not have hydrogenised? must he not have hydrogenised? must we not have hydrogenised? must you not have hydrogenised? must they not have hydrogenised?	must I not have been hydrogenising? must you not have been hydrogenising? must he not have been hydrogenising? must we not have been hydrogenising? must you not have been hydrogenising? must they not have been hydrogenising?