I must wall you must wall he must wall we must wall you must wall they must wall
Forma com V-ing
I must be walling you must be walling he must be walling we must be walling you must be walling they must be walling
Perfeito
I must have walled you must have walled he must have walled we must have walled you must have walled they must have walled
Perfeito com V-ing
I must have been walling you must have been walling he must have been walling we must have been walling you must have been walling they must have been walling
Negação
Forma simple
I must not wall you must not wall he must not wall we must not wall you must not wall they must not wall
Forma com V-ing
I must not be walling you must not be walling he must not be walling we must not be walling you must not be walling they must not be walling
Perfeito
I must not have walled you must not have walled he must not have walled we must not have walled you must not have walled they must not have walled
Perfeito com V-ing
I must not have been walling you must not have been walling he must not have been walling we must not have been walling you must not have been walling they must not have been walling
Forma interrogativa
Forma simple
must I wall? must you wall? must he wall? must we wall? must you wall? must they wall?
Forma com V-ing
must I be walling? must you be walling? must he be walling? must we be walling? must you be walling? must they be walling?
Perfeito
must I have walled? must you have walled? must he have walled? must we have walled? must you have walled? must they have walled?
Perfeito com V-ing
must I have been walling? must you have been walling? must he have been walling? must we have been walling? must you have been walling? must they have been walling?
Forma interro-Negação
Forma simple
must I not wall? must you not wall? must he not wall? must we not wall? must you not wall? must they not wall?
Forma com V-ing
must I not be walling? must you not be walling? must he not be walling? must we not be walling? must you not be walling? must they not be walling?
Perfeito
must I not have walled? must you not have walled? must he not have walled? must we not have walled? must you not have walled? must they not have walled?
Perfeito com V-ing
must I not have been walling? must you not have been walling? must he not have been walling? must we not have been walling? must you not have been walling? must they not have been walling?