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