I must swim you must swim he must swim we must swim you must swim they must swim
Forma con V-ing
I must be swimming you must be swimming he must be swimming we must be swimming you must be swimming they must be swimming
Perfetto
I must have swum you must have swum he must have swum we must have swum you must have swum they must have swum
Perfetto con V-ing
I must have been swimming you must have been swimming he must have been swimming we must have been swimming you must have been swimming they must have been swimming
Negazione
Forma semplice
I must not swim you must not swim he must not swim we must not swim you must not swim they must not swim
Forma con V-ing
I must not be swimming you must not be swimming he must not be swimming we must not be swimming you must not be swimming they must not be swimming
Perfetto
I must not have swum you must not have swum he must not have swum we must not have swum you must not have swum they must not have swum
Perfetto con V-ing
I must not have been swimming you must not have been swimming he must not have been swimming we must not have been swimming you must not have been swimming they must not have been swimming
Forma interrogativa
Forma semplice
must I swim? must you swim? must he swim? must we swim? must you swim? must they swim?
Forma con V-ing
must I be swimming? must you be swimming? must he be swimming? must we be swimming? must you be swimming? must they be swimming?
Perfetto
must I have swum? must you have swum? must he have swum? must we have swum? must you have swum? must they have swum?
Perfetto con V-ing
must I have been swimming? must you have been swimming? must he have been swimming? must we have been swimming? must you have been swimming? must they have been swimming?
Forma interro-negativa
Forma semplice
must I not swim? must you not swim? must he not swim? must we not swim? must you not swim? must they not swim?
Forma con V-ing
must I not be swimming? must you not be swimming? must he not be swimming? must we not be swimming? must you not be swimming? must they not be swimming?
Perfetto
must I not have swum? must you not have swum? must he not have swum? must we not have swum? must you not have swum? must they not have swum?
Perfetto con V-ing
must I not have been swimming? must you not have been swimming? must he not have been swimming? must we not have been swimming? must you not have been swimming? must they not have been swimming?