I must read you must read he must read we must read you must read they must read
Forma con V-ing
I must be reading you must be reading he must be reading we must be reading you must be reading they must be reading
Perfecto
I must have read you must have read he must have read we must have read you must have read they must have read
Perfecto con V-ing
I must have been reading you must have been reading he must have been reading we must have been reading you must have been reading they must have been reading
Negación
Forma simple
I mustn't read you mustn't read he mustn't read we mustn't read you mustn't read they mustn't read
Forma con V-ing
I mustn't be reading you mustn't be reading he mustn't be reading we mustn't be reading you mustn't be reading they mustn't be reading
Perfecto
I mustn't have read you mustn't have read he mustn't have read we mustn't have read you mustn't have read they mustn't have read
Perfecto con V-ing
I mustn't have been reading you mustn't have been reading he mustn't have been reading we mustn't have been reading you mustn't have been reading they mustn't have been reading
Forma interrogativa
Forma simple
must I read? must you read? must he read? must we read? must you read? must they read?
Forma con V-ing
must I be reading? must you be reading? must he be reading? must we be reading? must you be reading? must they be reading?
Perfecto
must I have read? must you have read? must he have read? must we have read? must you have read? must they have read?
Perfecto con V-ing
must I have been reading? must you have been reading? must he have been reading? must we have been reading? must you have been reading? must they have been reading?
Forma interro-negativa
Forma simple
mustn't I read? mustn't you read? mustn't he read? mustn't we read? mustn't you read? mustn't they read?
Forma con V-ing
mustn't I be reading? mustn't you be reading? mustn't he be reading? mustn't we be reading? mustn't you be reading? mustn't they be reading?
Perfecto
mustn't I have read? mustn't you have read? mustn't he have read? mustn't we have read? mustn't you have read? mustn't they have read?
Perfecto con V-ing
mustn't I have been reading? mustn't you have been reading? mustn't he have been reading? mustn't we have been reading? mustn't you have been reading? mustn't they have been reading?