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