I must francise you must francise he must francise we must francise you must francise they must francise
Forma con V-ing
I must be francising you must be francising he must be francising we must be francising you must be francising they must be francising
Perfecto
I must have francised you must have francised he must have francised we must have francised you must have francised they must have francised
Perfecto con V-ing
I must have been francising you must have been francising he must have been francising we must have been francising you must have been francising they must have been francising
Negación
Forma simple
I must not francise you must not francise he must not francise we must not francise you must not francise they must not francise
Forma con V-ing
I must not be francising you must not be francising he must not be francising we must not be francising you must not be francising they must not be francising
Perfecto
I must not have francised you must not have francised he must not have francised we must not have francised you must not have francised they must not have francised
Perfecto con V-ing
I must not have been francising you must not have been francising he must not have been francising we must not have been francising you must not have been francising they must not have been francising
Forma interrogativa
Forma simple
must I francise? must you francise? must he francise? must we francise? must you francise? must they francise?
Forma con V-ing
must I be francising? must you be francising? must he be francising? must we be francising? must you be francising? must they be francising?
Perfecto
must I have francised? must you have francised? must he have francised? must we have francised? must you have francised? must they have francised?
Perfecto con V-ing
must I have been francising? must you have been francising? must he have been francising? must we have been francising? must you have been francising? must they have been francising?
Forma interro-negativa
Forma simple
must I not francise? must you not francise? must he not francise? must we not francise? must you not francise? must they not francise?
Forma con V-ing
must I not be francising? must you not be francising? must he not be francising? must we not be francising? must you not be francising? must they not be francising?
Perfecto
must I not have francised? must you not have francised? must he not have francised? must we not have francised? must you not have francised? must they not have francised?
Perfecto con V-ing
must I not have been francising? must you not have been francising? must he not have been francising? must we not have been francising? must you not have been francising? must they not have been francising?