I must invent you must invent he must invent we must invent you must invent they must invent
Forma con V-ing
I must be inventing you must be inventing he must be inventing we must be inventing you must be inventing they must be inventing
Perfetto
I must have invented you must have invented he must have invented we must have invented you must have invented they must have invented
Perfetto con V-ing
I must have been inventing you must have been inventing he must have been inventing we must have been inventing you must have been inventing they must have been inventing
Negazione
Forma semplice
I must not invent you must not invent he must not invent we must not invent you must not invent they must not invent
Forma con V-ing
I must not be inventing you must not be inventing he must not be inventing we must not be inventing you must not be inventing they must not be inventing
Perfetto
I must not have invented you must not have invented he must not have invented we must not have invented you must not have invented they must not have invented
Perfetto con V-ing
I must not have been inventing you must not have been inventing he must not have been inventing we must not have been inventing you must not have been inventing they must not have been inventing
Forma interrogativa
Forma semplice
must I invent? must you invent? must he invent? must we invent? must you invent? must they invent?
Forma con V-ing
must I be inventing? must you be inventing? must he be inventing? must we be inventing? must you be inventing? must they be inventing?
Perfetto
must I have invented? must you have invented? must he have invented? must we have invented? must you have invented? must they have invented?
Perfetto con V-ing
must I have been inventing? must you have been inventing? must he have been inventing? must we have been inventing? must you have been inventing? must they have been inventing?
Forma interro-negativa
Forma semplice
must I not invent? must you not invent? must he not invent? must we not invent? must you not invent? must they not invent?
Forma con V-ing
must I not be inventing? must you not be inventing? must he not be inventing? must we not be inventing? must you not be inventing? must they not be inventing?
Perfetto
must I not have invented? must you not have invented? must he not have invented? must we not have invented? must you not have invented? must they not have invented?
Perfetto con V-ing
must I not have been inventing? must you not have been inventing? must he not have been inventing? must we not have been inventing? must you not have been inventing? must they not have been inventing?