I must characterise you must characterise she must characterise we must characterise you must characterise they must characterise
Forme en V-ing
I must be characterising you must be characterising she must be characterising we must be characterising you must be characterising they must be characterising
Perfect
I must have characterised you must have characterised she must have characterised we must have characterised you must have characterised they must have characterised
Perfect en V-ing
I must have been characterising you must have been characterising she must have been characterising we must have been characterising you must have been characterising they must have been characterising
Négation
Forme simple
I mustn't characterise you mustn't characterise she mustn't characterise we mustn't characterise you mustn't characterise they mustn't characterise
Forme en V-ing
I mustn't be characterising you mustn't be characterising she mustn't be characterising we mustn't be characterising you mustn't be characterising they mustn't be characterising
Perfect
I mustn't have characterised you mustn't have characterised she mustn't have characterised we mustn't have characterised you mustn't have characterised they mustn't have characterised
Perfect en V-ing
I mustn't have been characterising you mustn't have been characterising she mustn't have been characterising we mustn't have been characterising you mustn't have been characterising they mustn't have been characterising
Forme interrogative
Forme simple
must I characterise? must you characterise? must she characterise? must we characterise? must you characterise? must they characterise?
Forme en V-ing
must I be characterising? must you be characterising? must she be characterising? must we be characterising? must you be characterising? must they be characterising?
Perfect
must I have characterised? must you have characterised? must she have characterised? must we have characterised? must you have characterised? must they have characterised?
Perfect en V-ing
must I have been characterising? must you have been characterising? must she have been characterising? must we have been characterising? must you have been characterising? must they have been characterising?
Forme interro-négative
Forme simple
mustn't I characterise? mustn't you characterise? mustn't she characterise? mustn't we characterise? mustn't you characterise? mustn't they characterise?
Forme en V-ing
mustn't I be characterising? mustn't you be characterising? mustn't she be characterising? mustn't we be characterising? mustn't you be characterising? mustn't they be characterising?
Perfect
mustn't I have characterised? mustn't you have characterised? mustn't she have characterised? mustn't we have characterised? mustn't you have characterised? mustn't they have characterised?
Perfect en V-ing
mustn't I have been characterising? mustn't you have been characterising? mustn't she have been characterising? mustn't we have been characterising? mustn't you have been characterising? mustn't they have been characterising?