I must read you must read she must read we must read you must read they must read
Forma con V-ing
I must be reading you must be reading she must be reading we must be reading you must be reading they must be reading
Perfecto
I must have read you must have read she 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 she 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 she 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 she 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 she 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 she 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 she read? must we read? must you read? must they read?
Forma con V-ing
must I be reading? must you be reading? must she be reading? must we be reading? must you be reading? must they be reading?
Perfecto
must I have read? must you have read? must she 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 she 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 she 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 she 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 she 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 she have been reading? mustn't we have been reading? mustn't you have been reading? mustn't they have been reading?