I must portage you must portage she must portage we must portage you must portage they must portage
Forma con V-ing
I must be portaging you must be portaging she must be portaging we must be portaging you must be portaging they must be portaging
Perfecto
I must have portaged you must have portaged she 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 she must have been portaging we must have been portaging you must have been portaging they must have been portaging
Negación
Forma simple
I must not portage you must not portage she must not portage we must not portage you must not portage they must not portage
Forma con V-ing
I must not be portaging you must not be portaging she must not be portaging we must not be portaging you must not be portaging they must not be portaging
Perfecto
I must not have portaged you must not have portaged she must not have portaged we must not have portaged you must not have portaged they must not have portaged
Perfecto con V-ing
I must not have been portaging you must not have been portaging she must not have been portaging we must not have been portaging you must not have been portaging they must not have been portaging
Forma interrogativa
Forma simple
must I portage? must you portage? must she portage? must we portage? must you portage? must they portage?
Forma con V-ing
must I be portaging? must you be portaging? must she be portaging? must we be portaging? must you be portaging? must they be portaging?
Perfecto
must I have portaged? must you have portaged? must she 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 she have been portaging? must we have been portaging? must you have been portaging? must they have been portaging?
Forma interro-negativa
Forma simple
must I not portage? must you not portage? must she not portage? must we not portage? must you not portage? must they not portage?
Forma con V-ing
must I not be portaging? must you not be portaging? must she not be portaging? must we not be portaging? must you not be portaging? must they not be portaging?
Perfecto
must I not have portaged? must you not have portaged? must she not have portaged? must we not have portaged? must you not have portaged? must they not have portaged?
Perfecto con V-ing
must I not have been portaging? must you not have been portaging? must she not have been portaging? must we not have been portaging? must you not have been portaging? must they not have been portaging?