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