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