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