I must isle you must isle he must isle we must isle you must isle they must isle
Forma con V-ing
I must be isling you must be isling he must be isling we must be isling you must be isling they must be isling
Perfetto
I must have isled you must have isled he must have isled we must have isled you must have isled they must have isled
Perfetto con V-ing
I must have been isling you must have been isling he must have been isling we must have been isling you must have been isling they must have been isling
Negazione
Forma semplice
I must not isle you must not isle he must not isle we must not isle you must not isle they must not isle
Forma con V-ing
I must not be isling you must not be isling he must not be isling we must not be isling you must not be isling they must not be isling
Perfetto
I must not have isled you must not have isled he must not have isled we must not have isled you must not have isled they must not have isled
Perfetto con V-ing
I must not have been isling you must not have been isling he must not have been isling we must not have been isling you must not have been isling they must not have been isling
Forma interrogativa
Forma semplice
must I isle? must you isle? must he isle? must we isle? must you isle? must they isle?
Forma con V-ing
must I be isling? must you be isling? must he be isling? must we be isling? must you be isling? must they be isling?
Perfetto
must I have isled? must you have isled? must he have isled? must we have isled? must you have isled? must they have isled?
Perfetto con V-ing
must I have been isling? must you have been isling? must he have been isling? must we have been isling? must you have been isling? must they have been isling?
Forma interro-negativa
Forma semplice
must I not isle? must you not isle? must he not isle? must we not isle? must you not isle? must they not isle?
Forma con V-ing
must I not be isling? must you not be isling? must he not be isling? must we not be isling? must you not be isling? must they not be isling?
Perfetto
must I not have isled? must you not have isled? must he not have isled? must we not have isled? must you not have isled? must they not have isled?
Perfetto con V-ing
must I not have been isling? must you not have been isling? must he not have been isling? must we not have been isling? must you not have been isling? must they not have been isling?