I must befall you must befall he must befall we must befall you must befall they must befall
Forma con V-ing
I must be befalling you must be befalling he must be befalling we must be befalling you must be befalling they must be befalling
Perfetto
I must have befallen you must have befallen he must have befallen we must have befallen you must have befallen they must have befallen
Perfetto con V-ing
I must have been befalling you must have been befalling he must have been befalling we must have been befalling you must have been befalling they must have been befalling
Negazione
Forma semplice
I must not befall you must not befall he must not befall we must not befall you must not befall they must not befall
Forma con V-ing
I must not be befalling you must not be befalling he must not be befalling we must not be befalling you must not be befalling they must not be befalling
Perfetto
I must not have befallen you must not have befallen he must not have befallen we must not have befallen you must not have befallen they must not have befallen
Perfetto con V-ing
I must not have been befalling you must not have been befalling he must not have been befalling we must not have been befalling you must not have been befalling they must not have been befalling
Forma interrogativa
Forma semplice
must I befall? must you befall? must he befall? must we befall? must you befall? must they befall?
Forma con V-ing
must I be befalling? must you be befalling? must he be befalling? must we be befalling? must you be befalling? must they be befalling?
Perfetto
must I have befallen? must you have befallen? must he have befallen? must we have befallen? must you have befallen? must they have befallen?
Perfetto con V-ing
must I have been befalling? must you have been befalling? must he have been befalling? must we have been befalling? must you have been befalling? must they have been befalling?
Forma interro-negativa
Forma semplice
must I not befall? must you not befall? must he not befall? must we not befall? must you not befall? must they not befall?
Forma con V-ing
must I not be befalling? must you not be befalling? must he not be befalling? must we not be befalling? must you not be befalling? must they not be befalling?
Perfetto
must I not have befallen? must you not have befallen? must he not have befallen? must we not have befallen? must you not have befallen? must they not have befallen?
Perfetto con V-ing
must I not have been befalling? must you not have been befalling? must he not have been befalling? must we not have been befalling? must you not have been befalling? must they not have been befalling?