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 mustn't invent you mustn't invent he mustn't invent we mustn't invent you mustn't invent they mustn't invent
Forma con V-ing
I mustn't be inventing you mustn't be inventing he mustn't be inventing we mustn't be inventing you mustn't be inventing they mustn't be inventing
Perfetto
I mustn't have invented you mustn't have invented he mustn't have invented we mustn't have invented you mustn't have invented they mustn't have invented
Perfetto con V-ing
I mustn't have been inventing you mustn't have been inventing he mustn't have been inventing we mustn't have been inventing you mustn't have been inventing they mustn't 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
mustn't I invent? mustn't you invent? mustn't he invent? mustn't we invent? mustn't you invent? mustn't they invent?
Forma con V-ing
mustn't I be inventing? mustn't you be inventing? mustn't he be inventing? mustn't we be inventing? mustn't you be inventing? mustn't they be inventing?
Perfetto
mustn't I have invented? mustn't you have invented? mustn't he have invented? mustn't we have invented? mustn't you have invented? mustn't they have invented?
Perfetto con V-ing
mustn't I have been inventing? mustn't you have been inventing? mustn't he have been inventing? mustn't we have been inventing? mustn't you have been inventing? mustn't they have been inventing?