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