I must stale you must stale he must stale we must stale you must stale they must stale
Forma con V-ing
I must be staling you must be staling he must be staling we must be staling you must be staling they must be staling
Perfetto
I must have staled you must have staled he must have staled we must have staled you must have staled they must have staled
Perfetto con V-ing
I must have been staling you must have been staling he must have been staling we must have been staling you must have been staling they must have been staling
Negazione
Forma semplice
I must not stale you must not stale he must not stale we must not stale you must not stale they must not stale
Forma con V-ing
I must not be staling you must not be staling he must not be staling we must not be staling you must not be staling they must not be staling
Perfetto
I must not have staled you must not have staled he must not have staled we must not have staled you must not have staled they must not have staled
Perfetto con V-ing
I must not have been staling you must not have been staling he must not have been staling we must not have been staling you must not have been staling they must not have been staling
Forma interrogativa
Forma semplice
must I stale? must you stale? must he stale? must we stale? must you stale? must they stale?
Forma con V-ing
must I be staling? must you be staling? must he be staling? must we be staling? must you be staling? must they be staling?
Perfetto
must I have staled? must you have staled? must he have staled? must we have staled? must you have staled? must they have staled?
Perfetto con V-ing
must I have been staling? must you have been staling? must he have been staling? must we have been staling? must you have been staling? must they have been staling?
Forma interro-negativa
Forma semplice
must I not stale? must you not stale? must he not stale? must we not stale? must you not stale? must they not stale?
Forma con V-ing
must I not be staling? must you not be staling? must he not be staling? must we not be staling? must you not be staling? must they not be staling?
Perfetto
must I not have staled? must you not have staled? must he not have staled? must we not have staled? must you not have staled? must they not have staled?
Perfetto con V-ing
must I not have been staling? must you not have been staling? must he not have been staling? must we not have been staling? must you not have been staling? must they not have been staling?