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