English verb conjugation
MUST UTILISE

Regular verb: utilise - utilised - utilised

Affirmation

Simple form	V-ing form
I must utilise you must utilise she must utilise we must utilise you must utilise they must utilise	I must be utilising you must be utilising she must be utilising we must be utilising you must be utilising they must be utilising
Perfect	V-ing perfect
I must have utilised you must have utilised she must have utilised we must have utilised you must have utilised they must have utilised	I must have been utilising you must have been utilising she must have been utilising we must have been utilising you must have been utilising they must have been utilising

Negation

Simple form	V-ing form
I mustn't utilise you mustn't utilise she mustn't utilise we mustn't utilise you mustn't utilise they mustn't utilise	I mustn't be utilising you mustn't be utilising she mustn't be utilising we mustn't be utilising you mustn't be utilising they mustn't be utilising
Perfect	V-ing perfect
I mustn't have utilised you mustn't have utilised she mustn't have utilised we mustn't have utilised you mustn't have utilised they mustn't have utilised	I mustn't have been utilising you mustn't have been utilising she mustn't have been utilising we mustn't have been utilising you mustn't have been utilising they mustn't have been utilising

Interrogative form

Simple form	V-ing form
must I utilise? must you utilise? must she utilise? must we utilise? must you utilise? must they utilise?	must I be utilising? must you be utilising? must she be utilising? must we be utilising? must you be utilising? must they be utilising?
Perfect	V-ing perfect
must I have utilised? must you have utilised? must she have utilised? must we have utilised? must you have utilised? must they have utilised?	must I have been utilising? must you have been utilising? must she have been utilising? must we have been utilising? must you have been utilising? must they have been utilising?

Interro-negative form

Simple form	V-ing form
mustn't I utilise? mustn't you utilise? mustn't she utilise? mustn't we utilise? mustn't you utilise? mustn't they utilise?	mustn't I be utilising? mustn't you be utilising? mustn't she be utilising? mustn't we be utilising? mustn't you be utilising? mustn't they be utilising?
Perfect	V-ing perfect
mustn't I have utilised? mustn't you have utilised? mustn't she have utilised? mustn't we have utilised? mustn't you have utilised? mustn't they have utilised?	mustn't I have been utilising? mustn't you have been utilising? mustn't she have been utilising? mustn't we have been utilising? mustn't you have been utilising? mustn't they have been utilising?