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