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 must not bite you must not bite she must not bite we must not bite you must not bite they must not bite
Forma con V-ing
I must not be biting you must not be biting she must not be biting we must not be biting you must not be biting they must not be biting
Perfecto
I must not have bitten you must not have bitten she must not have bitten we must not have bitten you must not have bitten they must not have bitten
Perfecto con V-ing
I must not have been biting you must not have been biting she must not have been biting we must not have been biting you must not have been biting they must not 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
must I not bite? must you not bite? must she not bite? must we not bite? must you not bite? must they not bite?
Forma con V-ing
must I not be biting? must you not be biting? must she not be biting? must we not be biting? must you not be biting? must they not be biting?
Perfecto
must I not have bitten? must you not have bitten? must she not have bitten? must we not have bitten? must you not have bitten? must they not have bitten?
Perfecto con V-ing
must I not have been biting? must you not have been biting? must she not have been biting? must we not have been biting? must you not have been biting? must they not have been biting?