English verb conjugation
MUST CHARACTERISE

Regular verb: characterise - characterised - characterised

Affirmation

Simple form	V-ing form
I must characterise you must characterise he must characterise we must characterise you must characterise they must characterise	I must be characterising you must be characterising he must be characterising we must be characterising you must be characterising they must be characterising
Perfect	V-ing perfect
I must have characterised you must have characterised he must have characterised we must have characterised you must have characterised they must have characterised	I must have been characterising you must have been characterising he must have been characterising we must have been characterising you must have been characterising they must have been characterising

Negation

Simple form	V-ing form
I mustn't characterise you mustn't characterise he mustn't characterise we mustn't characterise you mustn't characterise they mustn't characterise	I mustn't be characterising you mustn't be characterising he mustn't be characterising we mustn't be characterising you mustn't be characterising they mustn't be characterising
Perfect	V-ing perfect
I mustn't have characterised you mustn't have characterised he mustn't have characterised we mustn't have characterised you mustn't have characterised they mustn't have characterised	I mustn't have been characterising you mustn't have been characterising he mustn't have been characterising we mustn't have been characterising you mustn't have been characterising they mustn't have been characterising

Interrogative form

Simple form	V-ing form
must I characterise? must you characterise? must he characterise? must we characterise? must you characterise? must they characterise?	must I be characterising? must you be characterising? must he be characterising? must we be characterising? must you be characterising? must they be characterising?
Perfect	V-ing perfect
must I have characterised? must you have characterised? must he have characterised? must we have characterised? must you have characterised? must they have characterised?	must I have been characterising? must you have been characterising? must he have been characterising? must we have been characterising? must you have been characterising? must they have been characterising?

Interro-negative form

Simple form	V-ing form
mustn't I characterise? mustn't you characterise? mustn't he characterise? mustn't we characterise? mustn't you characterise? mustn't they characterise?	mustn't I be characterising? mustn't you be characterising? mustn't he be characterising? mustn't we be characterising? mustn't you be characterising? mustn't they be characterising?
Perfect	V-ing perfect
mustn't I have characterised? mustn't you have characterised? mustn't he have characterised? mustn't we have characterised? mustn't you have characterised? mustn't they have characterised?	mustn't I have been characterising? mustn't you have been characterising? mustn't he have been characterising? mustn't we have been characterising? mustn't you have been characterising? mustn't they have been characterising?