I must become you must become she must become we must become you must become they must become
Forma con V-ing
I must be becoming you must be becoming she must be becoming we must be becoming you must be becoming they must be becoming
Perfecto
I must have become you must have become she must have become we must have become you must have become they must have become
Perfecto con V-ing
I must have been becoming you must have been becoming she must have been becoming we must have been becoming you must have been becoming they must have been becoming
Negación
Forma simple
I mustn't become you mustn't become she mustn't become we mustn't become you mustn't become they mustn't become
Forma con V-ing
I mustn't be becoming you mustn't be becoming she mustn't be becoming we mustn't be becoming you mustn't be becoming they mustn't be becoming
Perfecto
I mustn't have become you mustn't have become she mustn't have become we mustn't have become you mustn't have become they mustn't have become
Perfecto con V-ing
I mustn't have been becoming you mustn't have been becoming she mustn't have been becoming we mustn't have been becoming you mustn't have been becoming they mustn't have been becoming
Forma interrogativa
Forma simple
must I become? must you become? must she become? must we become? must you become? must they become?
Forma con V-ing
must I be becoming? must you be becoming? must she be becoming? must we be becoming? must you be becoming? must they be becoming?
Perfecto
must I have become? must you have become? must she have become? must we have become? must you have become? must they have become?
Perfecto con V-ing
must I have been becoming? must you have been becoming? must she have been becoming? must we have been becoming? must you have been becoming? must they have been becoming?
Forma interro-negativa
Forma simple
mustn't I become? mustn't you become? mustn't she become? mustn't we become? mustn't you become? mustn't they become?
Forma con V-ing
mustn't I be becoming? mustn't you be becoming? mustn't she be becoming? mustn't we be becoming? mustn't you be becoming? mustn't they be becoming?
Perfecto
mustn't I have become? mustn't you have become? mustn't she have become? mustn't we have become? mustn't you have become? mustn't they have become?
Perfecto con V-ing
mustn't I have been becoming? mustn't you have been becoming? mustn't she have been becoming? mustn't we have been becoming? mustn't you have been becoming? mustn't they have been becoming?