I must propose you must propose he must propose we must propose you must propose they must propose
Forma con V-ing
I must be proposing you must be proposing he must be proposing we must be proposing you must be proposing they must be proposing
Perfecto
I must have proposed you must have proposed he must have proposed we must have proposed you must have proposed they must have proposed
Perfecto con V-ing
I must have been proposing you must have been proposing he must have been proposing we must have been proposing you must have been proposing they must have been proposing
Negación
Forma simple
I mustn't propose you mustn't propose he mustn't propose we mustn't propose you mustn't propose they mustn't propose
Forma con V-ing
I mustn't be proposing you mustn't be proposing he mustn't be proposing we mustn't be proposing you mustn't be proposing they mustn't be proposing
Perfecto
I mustn't have proposed you mustn't have proposed he mustn't have proposed we mustn't have proposed you mustn't have proposed they mustn't have proposed
Perfecto con V-ing
I mustn't have been proposing you mustn't have been proposing he mustn't have been proposing we mustn't have been proposing you mustn't have been proposing they mustn't have been proposing
Forma interrogativa
Forma simple
must I propose? must you propose? must he propose? must we propose? must you propose? must they propose?
Forma con V-ing
must I be proposing? must you be proposing? must he be proposing? must we be proposing? must you be proposing? must they be proposing?
Perfecto
must I have proposed? must you have proposed? must he have proposed? must we have proposed? must you have proposed? must they have proposed?
Perfecto con V-ing
must I have been proposing? must you have been proposing? must he have been proposing? must we have been proposing? must you have been proposing? must they have been proposing?
Forma interro-negativa
Forma simple
mustn't I propose? mustn't you propose? mustn't he propose? mustn't we propose? mustn't you propose? mustn't they propose?
Forma con V-ing
mustn't I be proposing? mustn't you be proposing? mustn't he be proposing? mustn't we be proposing? mustn't you be proposing? mustn't they be proposing?
Perfecto
mustn't I have proposed? mustn't you have proposed? mustn't he have proposed? mustn't we have proposed? mustn't you have proposed? mustn't they have proposed?
Perfecto con V-ing
mustn't I have been proposing? mustn't you have been proposing? mustn't he have been proposing? mustn't we have been proposing? mustn't you have been proposing? mustn't they have been proposing?