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