I must bite you must bite she must bite we must bite you must bite they must bite
Forma con V-ing
I must be biting you must be biting she must be biting we must be biting you must be biting they must be biting
Perfecto
I must have bitten you must have bitten she must have bitten we must have bitten you must have bitten they must have bitten
Perfecto con V-ing
I must have been biting you must have been biting she must have been biting we must have been biting you must have been biting they must have been biting
Negación
Forma simple
I mustn't bite you mustn't bite she mustn't bite we mustn't bite you mustn't bite they mustn't bite
Forma con V-ing
I mustn't be biting you mustn't be biting she mustn't be biting we mustn't be biting you mustn't be biting they mustn't be biting
Perfecto
I mustn't have bitten you mustn't have bitten she mustn't have bitten we mustn't have bitten you mustn't have bitten they mustn't have bitten
Perfecto con V-ing
I mustn't have been biting you mustn't have been biting she mustn't have been biting we mustn't have been biting you mustn't have been biting they mustn't have been biting
Forma interrogativa
Forma simple
must I bite? must you bite? must she bite? must we bite? must you bite? must they bite?
Forma con V-ing
must I be biting? must you be biting? must she be biting? must we be biting? must you be biting? must they be biting?
Perfecto
must I have bitten? must you have bitten? must she have bitten? must we have bitten? must you have bitten? must they have bitten?
Perfecto con V-ing
must I have been biting? must you have been biting? must she have been biting? must we have been biting? must you have been biting? must they have been biting?
Forma interro-negativa
Forma simple
mustn't I bite? mustn't you bite? mustn't she bite? mustn't we bite? mustn't you bite? mustn't they bite?
Forma con V-ing
mustn't I be biting? mustn't you be biting? mustn't she be biting? mustn't we be biting? mustn't you be biting? mustn't they be biting?
Perfecto
mustn't I have bitten? mustn't you have bitten? mustn't she have bitten? mustn't we have bitten? mustn't you have bitten? mustn't they have bitten?
Perfecto con V-ing
mustn't I have been biting? mustn't you have been biting? mustn't she have been biting? mustn't we have been biting? mustn't you have been biting? mustn't they have been biting?