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