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