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