I must own you must own he must own we must own you must own they must own
Forma com V-ing
I must be owning you must be owning he must be owning we must be owning you must be owning they must be owning
Perfeito
I must have owned you must have owned he must have owned we must have owned you must have owned they must have owned
Perfeito com V-ing
I must have been owning you must have been owning he must have been owning we must have been owning you must have been owning they must have been owning
Negação
Forma simple
I must not own you must not own he must not own we must not own you must not own they must not own
Forma com V-ing
I must not be owning you must not be owning he must not be owning we must not be owning you must not be owning they must not be owning
Perfeito
I must not have owned you must not have owned he must not have owned we must not have owned you must not have owned they must not have owned
Perfeito com V-ing
I must not have been owning you must not have been owning he must not have been owning we must not have been owning you must not have been owning they must not have been owning
Forma interrogativa
Forma simple
must I own? must you own? must he own? must we own? must you own? must they own?
Forma com V-ing
must I be owning? must you be owning? must he be owning? must we be owning? must you be owning? must they be owning?
Perfeito
must I have owned? must you have owned? must he have owned? must we have owned? must you have owned? must they have owned?
Perfeito com V-ing
must I have been owning? must you have been owning? must he have been owning? must we have been owning? must you have been owning? must they have been owning?
Forma interro-Negação
Forma simple
must I not own? must you not own? must he not own? must we not own? must you not own? must they not own?
Forma com V-ing
must I not be owning? must you not be owning? must he not be owning? must we not be owning? must you not be owning? must they not be owning?
Perfeito
must I not have owned? must you not have owned? must he not have owned? must we not have owned? must you not have owned? must they not have owned?
Perfeito com V-ing
must I not have been owning? must you not have been owning? must he not have been owning? must we not have been owning? must you not have been owning? must they not have been owning?