English verb conjugation
MUST DECRIMINALISE

Regular verb: decriminalise - decriminalised - decriminalised

Affirmation

Simple form	V-ing form
I must decriminalise you must decriminalise he must decriminalise we must decriminalise you must decriminalise they must decriminalise	I must be decriminalising you must be decriminalising he must be decriminalising we must be decriminalising you must be decriminalising they must be decriminalising
Perfect	V-ing perfect
I must have decriminalised you must have decriminalised he must have decriminalised we must have decriminalised you must have decriminalised they must have decriminalised	I must have been decriminalising you must have been decriminalising he must have been decriminalising we must have been decriminalising you must have been decriminalising they must have been decriminalising

Negation

Simple form	V-ing form
I mustn't decriminalise you mustn't decriminalise he mustn't decriminalise we mustn't decriminalise you mustn't decriminalise they mustn't decriminalise	I mustn't be decriminalising you mustn't be decriminalising he mustn't be decriminalising we mustn't be decriminalising you mustn't be decriminalising they mustn't be decriminalising
Perfect	V-ing perfect
I mustn't have decriminalised you mustn't have decriminalised he mustn't have decriminalised we mustn't have decriminalised you mustn't have decriminalised they mustn't have decriminalised	I mustn't have been decriminalising you mustn't have been decriminalising he mustn't have been decriminalising we mustn't have been decriminalising you mustn't have been decriminalising they mustn't have been decriminalising

Interrogative form

Simple form	V-ing form
must I decriminalise? must you decriminalise? must he decriminalise? must we decriminalise? must you decriminalise? must they decriminalise?	must I be decriminalising? must you be decriminalising? must he be decriminalising? must we be decriminalising? must you be decriminalising? must they be decriminalising?
Perfect	V-ing perfect
must I have decriminalised? must you have decriminalised? must he have decriminalised? must we have decriminalised? must you have decriminalised? must they have decriminalised?	must I have been decriminalising? must you have been decriminalising? must he have been decriminalising? must we have been decriminalising? must you have been decriminalising? must they have been decriminalising?

Interro-negative form

Simple form	V-ing form
mustn't I decriminalise? mustn't you decriminalise? mustn't he decriminalise? mustn't we decriminalise? mustn't you decriminalise? mustn't they decriminalise?	mustn't I be decriminalising? mustn't you be decriminalising? mustn't he be decriminalising? mustn't we be decriminalising? mustn't you be decriminalising? mustn't they be decriminalising?
Perfect	V-ing perfect
mustn't I have decriminalised? mustn't you have decriminalised? mustn't he have decriminalised? mustn't we have decriminalised? mustn't you have decriminalised? mustn't they have decriminalised?	mustn't I have been decriminalising? mustn't you have been decriminalising? mustn't he have been decriminalising? mustn't we have been decriminalising? mustn't you have been decriminalising? mustn't they have been decriminalising?