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