I must helenise you must helenise she must helenise we must helenise you must helenise they must helenise
Forme en V-ing
I must be helenising you must be helenising she must be helenising we must be helenising you must be helenising they must be helenising
Perfect
I must have helenised you must have helenised she must have helenised we must have helenised you must have helenised they must have helenised
Perfect en V-ing
I must have been helenising you must have been helenising she must have been helenising we must have been helenising you must have been helenising they must have been helenising
Négation
Forme simple
I must not helenise you must not helenise she must not helenise we must not helenise you must not helenise they must not helenise
Forme en V-ing
I must not be helenising you must not be helenising she must not be helenising we must not be helenising you must not be helenising they must not be helenising
Perfect
I must not have helenised you must not have helenised she must not have helenised we must not have helenised you must not have helenised they must not have helenised
Perfect en V-ing
I must not have been helenising you must not have been helenising she must not have been helenising we must not have been helenising you must not have been helenising they must not have been helenising
Forme interrogative
Forme simple
must I helenise? must you helenise? must she helenise? must we helenise? must you helenise? must they helenise?
Forme en V-ing
must I be helenising? must you be helenising? must she be helenising? must we be helenising? must you be helenising? must they be helenising?
Perfect
must I have helenised? must you have helenised? must she have helenised? must we have helenised? must you have helenised? must they have helenised?
Perfect en V-ing
must I have been helenising? must you have been helenising? must she have been helenising? must we have been helenising? must you have been helenising? must they have been helenising?
Forme interro-négative
Forme simple
must I not helenise? must you not helenise? must she not helenise? must we not helenise? must you not helenise? must they not helenise?
Forme en V-ing
must I not be helenising? must you not be helenising? must she not be helenising? must we not be helenising? must you not be helenising? must they not be helenising?
Perfect
must I not have helenised? must you not have helenised? must she not have helenised? must we not have helenised? must you not have helenised? must they not have helenised?
Perfect en V-ing
must I not have been helenising? must you not have been helenising? must she not have been helenising? must we not have been helenising? must you not have been helenising? must they not have been helenising?