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