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