I must duck you must duck he must duck we must duck you must duck they must duck
Forma con V-ing
I must be ducking you must be ducking he must be ducking we must be ducking you must be ducking they must be ducking
Perfetto
I must have ducked you must have ducked he must have ducked we must have ducked you must have ducked they must have ducked
Perfetto con V-ing
I must have been ducking you must have been ducking he must have been ducking we must have been ducking you must have been ducking they must have been ducking
Negazione
Forma semplice
I must not duck you must not duck he must not duck we must not duck you must not duck they must not duck
Forma con V-ing
I must not be ducking you must not be ducking he must not be ducking we must not be ducking you must not be ducking they must not be ducking
Perfetto
I must not have ducked you must not have ducked he must not have ducked we must not have ducked you must not have ducked they must not have ducked
Perfetto con V-ing
I must not have been ducking you must not have been ducking he must not have been ducking we must not have been ducking you must not have been ducking they must not have been ducking
Forma interrogativa
Forma semplice
must I duck? must you duck? must he duck? must we duck? must you duck? must they duck?
Forma con V-ing
must I be ducking? must you be ducking? must he be ducking? must we be ducking? must you be ducking? must they be ducking?
Perfetto
must I have ducked? must you have ducked? must he have ducked? must we have ducked? must you have ducked? must they have ducked?
Perfetto con V-ing
must I have been ducking? must you have been ducking? must he have been ducking? must we have been ducking? must you have been ducking? must they have been ducking?
Forma interro-negativa
Forma semplice
must I not duck? must you not duck? must he not duck? must we not duck? must you not duck? must they not duck?
Forma con V-ing
must I not be ducking? must you not be ducking? must he not be ducking? must we not be ducking? must you not be ducking? must they not be ducking?
Perfetto
must I not have ducked? must you not have ducked? must he not have ducked? must we not have ducked? must you not have ducked? must they not have ducked?
Perfetto con V-ing
must I not have been ducking? must you not have been ducking? must he not have been ducking? must we not have been ducking? must you not have been ducking? must they not have been ducking?