I must close you must close he must close we must close you must close they must close
Forma con V-ing
I must be closing you must be closing he must be closing we must be closing you must be closing they must be closing
Perfetto
I must have closed you must have closed he must have closed we must have closed you must have closed they must have closed
Perfetto con V-ing
I must have been closing you must have been closing he must have been closing we must have been closing you must have been closing they must have been closing
Negazione
Forma semplice
I must not close you must not close he must not close we must not close you must not close they must not close
Forma con V-ing
I must not be closing you must not be closing he must not be closing we must not be closing you must not be closing they must not be closing
Perfetto
I must not have closed you must not have closed he must not have closed we must not have closed you must not have closed they must not have closed
Perfetto con V-ing
I must not have been closing you must not have been closing he must not have been closing we must not have been closing you must not have been closing they must not have been closing
Forma interrogativa
Forma semplice
must I close? must you close? must he close? must we close? must you close? must they close?
Forma con V-ing
must I be closing? must you be closing? must he be closing? must we be closing? must you be closing? must they be closing?
Perfetto
must I have closed? must you have closed? must he have closed? must we have closed? must you have closed? must they have closed?
Perfetto con V-ing
must I have been closing? must you have been closing? must he have been closing? must we have been closing? must you have been closing? must they have been closing?
Forma interro-negativa
Forma semplice
must I not close? must you not close? must he not close? must we not close? must you not close? must they not close?
Forma con V-ing
must I not be closing? must you not be closing? must he not be closing? must we not be closing? must you not be closing? must they not be closing?
Perfetto
must I not have closed? must you not have closed? must he not have closed? must we not have closed? must you not have closed? must they not have closed?
Perfetto con V-ing
must I not have been closing? must you not have been closing? must he not have been closing? must we not have been closing? must you not have been closing? must they not have been closing?