I must roll you must roll he must roll we must roll you must roll they must roll
Forma con V-ing
I must be rolling you must be rolling he must be rolling we must be rolling you must be rolling they must be rolling
Perfecto
I must have rolled you must have rolled he must have rolled we must have rolled you must have rolled they must have rolled
Perfecto con V-ing
I must have been rolling you must have been rolling he must have been rolling we must have been rolling you must have been rolling they must have been rolling
Negación
Forma simple
I mustn't roll you mustn't roll he mustn't roll we mustn't roll you mustn't roll they mustn't roll
Forma con V-ing
I mustn't be rolling you mustn't be rolling he mustn't be rolling we mustn't be rolling you mustn't be rolling they mustn't be rolling
Perfecto
I mustn't have rolled you mustn't have rolled he mustn't have rolled we mustn't have rolled you mustn't have rolled they mustn't have rolled
Perfecto con V-ing
I mustn't have been rolling you mustn't have been rolling he mustn't have been rolling we mustn't have been rolling you mustn't have been rolling they mustn't have been rolling
Forma interrogativa
Forma simple
must I roll? must you roll? must he roll? must we roll? must you roll? must they roll?
Forma con V-ing
must I be rolling? must you be rolling? must he be rolling? must we be rolling? must you be rolling? must they be rolling?
Perfecto
must I have rolled? must you have rolled? must he have rolled? must we have rolled? must you have rolled? must they have rolled?
Perfecto con V-ing
must I have been rolling? must you have been rolling? must he have been rolling? must we have been rolling? must you have been rolling? must they have been rolling?
Forma interro-negativa
Forma simple
mustn't I roll? mustn't you roll? mustn't he roll? mustn't we roll? mustn't you roll? mustn't they roll?
Forma con V-ing
mustn't I be rolling? mustn't you be rolling? mustn't he be rolling? mustn't we be rolling? mustn't you be rolling? mustn't they be rolling?
Perfecto
mustn't I have rolled? mustn't you have rolled? mustn't he have rolled? mustn't we have rolled? mustn't you have rolled? mustn't they have rolled?
Perfecto con V-ing
mustn't I have been rolling? mustn't you have been rolling? mustn't he have been rolling? mustn't we have been rolling? mustn't you have been rolling? mustn't they have been rolling?