I must muss you must muss he must muss we must muss you must muss they must muss
Forma con V-ing
I must be mussing you must be mussing he must be mussing we must be mussing you must be mussing they must be mussing
Perfetto
I must have mussed you must have mussed he must have mussed we must have mussed you must have mussed they must have mussed
Perfetto con V-ing
I must have been mussing you must have been mussing he must have been mussing we must have been mussing you must have been mussing they must have been mussing
Negazione
Forma semplice
I must not muss you must not muss he must not muss we must not muss you must not muss they must not muss
Forma con V-ing
I must not be mussing you must not be mussing he must not be mussing we must not be mussing you must not be mussing they must not be mussing
Perfetto
I must not have mussed you must not have mussed he must not have mussed we must not have mussed you must not have mussed they must not have mussed
Perfetto con V-ing
I must not have been mussing you must not have been mussing he must not have been mussing we must not have been mussing you must not have been mussing they must not have been mussing
Forma interrogativa
Forma semplice
must I muss? must you muss? must he muss? must we muss? must you muss? must they muss?
Forma con V-ing
must I be mussing? must you be mussing? must he be mussing? must we be mussing? must you be mussing? must they be mussing?
Perfetto
must I have mussed? must you have mussed? must he have mussed? must we have mussed? must you have mussed? must they have mussed?
Perfetto con V-ing
must I have been mussing? must you have been mussing? must he have been mussing? must we have been mussing? must you have been mussing? must they have been mussing?
Forma interro-negativa
Forma semplice
must I not muss? must you not muss? must he not muss? must we not muss? must you not muss? must they not muss?
Forma con V-ing
must I not be mussing? must you not be mussing? must he not be mussing? must we not be mussing? must you not be mussing? must they not be mussing?
Perfetto
must I not have mussed? must you not have mussed? must he not have mussed? must we not have mussed? must you not have mussed? must they not have mussed?
Perfetto con V-ing
must I not have been mussing? must you not have been mussing? must he not have been mussing? must we not have been mussing? must you not have been mussing? must they not have been mussing?