English verb conjugation
MUST DEMORALISE

Regular verb: demoralise - demoralised - demoralised

Affirmation

Simple form	V-ing form
I must demoralise you must demoralise he must demoralise we must demoralise you must demoralise they must demoralise	I must be demoralising you must be demoralising he must be demoralising we must be demoralising you must be demoralising they must be demoralising
Perfect	V-ing perfect
I must have demoralised you must have demoralised he must have demoralised we must have demoralised you must have demoralised they must have demoralised	I must have been demoralising you must have been demoralising he must have been demoralising we must have been demoralising you must have been demoralising they must have been demoralising

Negation

Simple form	V-ing form
I mustn't demoralise you mustn't demoralise he mustn't demoralise we mustn't demoralise you mustn't demoralise they mustn't demoralise	I mustn't be demoralising you mustn't be demoralising he mustn't be demoralising we mustn't be demoralising you mustn't be demoralising they mustn't be demoralising
Perfect	V-ing perfect
I mustn't have demoralised you mustn't have demoralised he mustn't have demoralised we mustn't have demoralised you mustn't have demoralised they mustn't have demoralised	I mustn't have been demoralising you mustn't have been demoralising he mustn't have been demoralising we mustn't have been demoralising you mustn't have been demoralising they mustn't have been demoralising

Interrogative form

Simple form	V-ing form
must I demoralise? must you demoralise? must he demoralise? must we demoralise? must you demoralise? must they demoralise?	must I be demoralising? must you be demoralising? must he be demoralising? must we be demoralising? must you be demoralising? must they be demoralising?
Perfect	V-ing perfect
must I have demoralised? must you have demoralised? must he have demoralised? must we have demoralised? must you have demoralised? must they have demoralised?	must I have been demoralising? must you have been demoralising? must he have been demoralising? must we have been demoralising? must you have been demoralising? must they have been demoralising?

Interro-negative form

Simple form	V-ing form
mustn't I demoralise? mustn't you demoralise? mustn't he demoralise? mustn't we demoralise? mustn't you demoralise? mustn't they demoralise?	mustn't I be demoralising? mustn't you be demoralising? mustn't he be demoralising? mustn't we be demoralising? mustn't you be demoralising? mustn't they be demoralising?
Perfect	V-ing perfect
mustn't I have demoralised? mustn't you have demoralised? mustn't he have demoralised? mustn't we have demoralised? mustn't you have demoralised? mustn't they have demoralised?	mustn't I have been demoralising? mustn't you have been demoralising? mustn't he have been demoralising? mustn't we have been demoralising? mustn't you have been demoralising? mustn't they have been demoralising?