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