I must pollute you must pollute she must pollute we must pollute you must pollute they must pollute
Forma con V-ing
I must be polluting you must be polluting she must be polluting we must be polluting you must be polluting they must be polluting
Perfecto
I must have polluted you must have polluted she 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 she 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 she 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 she 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 she 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 she 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 she pollute? must we pollute? must you pollute? must they pollute?
Forma con V-ing
must I be polluting? must you be polluting? must she be polluting? must we be polluting? must you be polluting? must they be polluting?
Perfecto
must I have polluted? must you have polluted? must she 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 she 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 she 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 she 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 she 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 she have been polluting? mustn't we have been polluting? mustn't you have been polluting? mustn't they have been polluting?