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 must not characterise you must not characterise she must not characterise we must not characterise you must not characterise they must not characterise
Forme en V-ing
I must not be characterising you must not be characterising she must not be characterising we must not be characterising you must not be characterising they must not be characterising
Perfect
I must not have characterised you must not have characterised she must not have characterised we must not have characterised you must not have characterised they must not have characterised
Perfect en V-ing
I must not have been characterising you must not have been characterising she must not have been characterising we must not have been characterising you must not have been characterising they must not 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
must I not characterise? must you not characterise? must she not characterise? must we not characterise? must you not characterise? must they not characterise?
Forme en V-ing
must I not be characterising? must you not be characterising? must she not be characterising? must we not be characterising? must you not be characterising? must they not be characterising?
Perfect
must I not have characterised? must you not have characterised? must she not have characterised? must we not have characterised? must you not have characterised? must they not have characterised?
Perfect en V-ing
must I not have been characterising? must you not have been characterising? must she not have been characterising? must we not have been characterising? must you not have been characterising? must they not have been characterising?