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